/* =============================================================
   HYPERMAINT — Web client
   Giao diện phẳng, tối giản: nền xám rất nhạt, thẻ trắng, viền mảnh,
   một màu nhấn xanh dương lấy từ logo. Sáng/tối đổi bằng token
   [data-theme="dark"]; hoạt ảnh chỉ còn xoay vòng khi tải.
   ============================================================= */

:root {
  --bg-main: #f4f6fa;
  --bg-panel: #ffffff;
  --text-main: #0f172a;
  --text-muted: #5c6b82;
  --border-color: #e2e8f0;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-soft: #eaf1fe;

  /* Token thương hiệu Logo chính HyperMaint (Chế độ Sáng) */
  --hm-gear-start: #1e293b;
  --hm-gear-end: #475569;
  --hm-gear-rim: #94a3b8;
  --hm-pulse-start: #2563eb;
  --hm-pulse-end: #06b6d4;
  --hm-brand-accent: #2563eb;
  --hm-logo-filter: drop-shadow(0 2px 6px rgba(15, 23, 42, 0.08));

  --ok-bg: #ecfdf5;
  --ok-fg: #047857;
  --ok-border: #a7f3d0;

  --warn-bg: #fffbeb;
  --warn-fg: #b45309;
  --warn-border: #fde68a;

  --danger-bg: #fef2f2;
  --danger-fg: #dc2626;
  --danger-border: #fecaca;

  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-panel: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-float: 0 10px 30px rgba(15, 23, 42, 0.16);

  --header-h: 56px;
  --tabs-h: 58px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

[data-theme="dark"] {
  --bg-main: #0b1220;
  --bg-panel: #141d2e;
  --text-main: #e8eef8;
  --text-muted: #93a3ba;
  --border-color: #243149;
  --primary: #4d8ef7;
  --primary-hover: #74a8fa;
  --primary-soft: #152743;

  /* Token thương hiệu Logo chính HyperMaint (Chế độ Tối) */
  --hm-gear-start: #f8fafc;
  --hm-gear-end: #94a3b8;
  --hm-gear-rim: #ffffff;
  --hm-pulse-start: #38bdf8;
  --hm-pulse-end: #22d3ee;
  --hm-brand-accent: #38bdf8;
  --hm-logo-filter: drop-shadow(0 0 8px rgba(34, 211, 238, 0.22));

  --ok-bg: #06281f;
  --ok-fg: #34d399;
  --ok-border: #0d4b39;

  --warn-bg: #3a2c0a;
  --warn-fg: #fbbf24;
  --warn-border: #5c440f;

  --danger-bg: #3a1414;
  --danger-fg: #f87171;
  --danger-border: #5c2020;

  --shadow-panel: 0 1px 2px rgba(0, 0, 0, 0.45);
  --shadow-float: 0 12px 30px rgba(0, 0, 0, 0.55);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
  overscroll-behavior-y: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

svg {
  display: block;
}

.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

[hidden] {
  display: none !important;
}

/* =============================================================
   Khung kính mờ — dùng lại đúng hiệu ứng của app gốc
   ============================================================= */

.glass-border {
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-panel);
}

/* =============================================================
   Nút
   ============================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  max-width: 100%;
  min-width: 0;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  letter-spacing: 0;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease,
    border-color 0.18s ease, transform 0.12s ease;
  white-space: nowrap;
}

.btn > svg {
  flex-shrink: 0;
}

.btn:active { transform: scale(0.97); }

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
}

.btn-primary:hover:not(:disabled) { background-color: var(--primary-hover); }

.btn-ghost {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-ghost:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-danger {
  background-color: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-fg);
}

.btn-danger:hover:not(:disabled) { border-color: var(--danger-fg); }

.btn-block {
  width: 100%;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-lg);
  font-size: 0.85rem;
}

.btn-sm {
  padding: 0.45rem 0.8rem;
  font-size: 0.68rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.btn-icon svg { width: 18px; height: 18px; }

.btn-icon:hover { color: var(--primary); border-color: var(--primary); }

/* =============================================================
   Trường nhập liệu
   ============================================================= */

.field-label {
  display: block;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.field-input,
.field-select,
.field-textarea {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-panel);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 500;
  text-overflow: ellipsis;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

[data-theme="dark"] .field-input,
[data-theme="dark"] .field-select,
[data-theme="dark"] .field-textarea {
  background-color: rgba(15, 23, 42, 0.55);
}

.field-input:focus,
.field-select:focus,
.field-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.16);
}

.field-input::placeholder,
.field-textarea::placeholder { color: var(--text-muted); opacity: 0.7; font-weight: 500; }

.field-input:disabled,
.field-select:disabled,
.field-textarea:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  background-color: rgba(148, 163, 184, 0.12);
}

.field-textarea { min-height: 88px; resize: vertical; }

.field-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.field-group { margin-bottom: 0.9rem; }

/* Hai trường ngắn đứng cạnh nhau để biểu mẫu vừa một màn hình;
   dưới 560px thì xếp lại thành một cột. */
.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 0.7rem;
}

@media (max-width: 560px) {
  .field-row { grid-template-columns: minmax(0, 1fr); }
}

/* Ô chọn dạng công tắc — theo phong cách checkbox tròn của app */
.switch-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
}

[data-theme="dark"] .switch-row { background-color: rgba(15, 23, 42, 0.5); }

.switch-row input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  border-radius: 50%;
  border: 1.5px solid var(--border-color);
  background-color: rgba(128, 128, 128, 0.1);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  cursor: pointer;
}

.switch-row input[type="checkbox"]:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

.switch-row input[type="checkbox"]:checked::after {
  content: '';
  width: 0.35rem;
  height: 0.6rem;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(45deg);
  margin-bottom: 0.1rem;
}

.switch-row span { font-size: 0.86rem; font-weight: 700; }
/* =============================================================
   Màn hình đăng nhập
   ============================================================= */

.login-screen {
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background-color: var(--bg-panel);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem 1.6rem;
}

.login-logo {
  width: 112px;
  height: 79px;
  margin: 0 auto 0.55rem;
  display: grid;
  place-items: center;
}

.login-logo-mark {
  width: 112px;
  height: 79px;
  display: block;
  filter: var(--hm-logo-filter);
}

.brand-wordmark {
  font-weight: 800;
  letter-spacing: -0.022em;
  color: var(--text-main);
}

.brand-wordmark span {
  color: var(--hm-brand-accent);
}

.login-card h1,
.login-wordmark {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.login-sub {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.login-card .field-label { margin-top: 0.75rem; }

.login-card .field-input { font-size: 16px; }

.login-card .btn-block { margin-top: 1.35rem; }

.login-error {
  margin-top: 0.85rem;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  background-color: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-fg);
  font-size: 0.8rem;
  font-weight: 700;
}

.login-hint {
  margin-top: 1rem;
  font-size: 0.68rem;
  line-height: 1.5;
  color: var(--text-muted);
  text-align: center;
}

/* =============================================================
   Khung ứng dụng
   ============================================================= */

.app {
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  display: flex;
  flex-direction: column;
  padding-bottom: calc(var(--tabs-h) + var(--safe-bottom));
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0 0.9rem;
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
}

/* Nút đổi sáng/tối — một nút duy nhất, hiện ở mọi màn hình. */
.theme-btn {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  transition: color 0.15s ease, border-color 0.15s ease,
    background-color 0.15s ease;
}

.theme-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  background-color: var(--primary-soft);
}

.theme-btn svg { width: 18px; height: 18px; }

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 30px;
  flex: 0 0 42px;
  display: block;
  filter: var(--hm-logo-filter);
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-text small {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex: 0 0 auto;
}

.live-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--text-muted);
  opacity: 0.4;
  transition: background-color 0.3s ease, opacity 0.3s ease,
    box-shadow 0.3s ease;
}

.live-dot.is-live {
  background-color: var(--ok-fg);
  opacity: 1;
}

.user-chip {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 900;
  display: grid;
  place-items: center;
}

/* =============================================================
   Thanh tab
   ============================================================= */

.tabs {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: calc(var(--tabs-h) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  display: grid;
  /* Tự chia đều theo số tab thật, không đặt cứng 3 cột: thêm tab mới
     không làm tab cuối rớt xuống dòng thứ hai. */
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  background-color: var(--bg-panel);
  border-top: 1px solid var(--border-color);
}

.tab {
  position: relative;
  min-width: 0;
  padding: 0 2px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0;
  transition: color 0.15s ease;
}

.tab > span {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tab svg { width: 21px; height: 21px; }

.tab.is-active { color: var(--primary); }

.tab.is-active::before {
  content: '';
  position: absolute;
  top: 0;
  width: 42px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background-color: var(--primary);
}

/* Trên màn hình rộng: tab chuyển lên đầu, nằm ngang dưới header */
@media (min-width: 900px) {
  .app { padding-bottom: 0; }

  .tabs {
    position: sticky;
    top: var(--header-h);
    height: 52px;
    padding: 0;
    grid-auto-columns: auto;
    justify-content: center;
    gap: 0.4rem;
    border-top: none;
    border-bottom: 1px solid var(--border-color);
    box-shadow: none;
  }

  .tab {
    flex-direction: row;
    gap: 0.65rem;
    padding: 0 1.4rem;
    height: 100%;
    font-size: 0.72rem;
  }

  .tab .tab-badge {
    top: -6px;
    right: -6px;
  }

  .tab svg { width: 17px; height: 17px; }

  .tab.is-active::before {
    top: auto;
    bottom: 0;
    width: 100%;
    height: 3px;
    border-radius: 3px 3px 0 0;
  }
}

/* =============================================================
   Vùng nội dung
   ============================================================= */

.view {
  flex: 1;
  width: 100%;
  max-width: 1080px;
  min-width: 0;
  overflow-x: clip;
  margin: 0 auto;
  padding: 0.9rem 0.85rem 1.6rem;
  outline: none;
}

.view-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.55rem 0.7rem;
  margin: 0.2rem 0 0.85rem;
}

.view-head > :first-child {
  min-width: 0;
  flex: 1 1 auto;
}

.view-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.view-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.section-label {
  font-size: 0.64rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 1.2rem 0 0.5rem;
}
/* =============================================================
   Thanh tìm kiếm và bộ lọc
   ============================================================= */

.search-wrap { position: relative; margin-bottom: 0.65rem; min-width: 0; max-width: 100%; }

/* Ẩn nút xoá mặc định của WebKit iOS / Chrome */
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {
  -webkit-appearance: none;
  appearance: none;
  display: none !important;
}

.search-wrap > svg {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 17px;
  height: 17px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.72rem 2.5rem 0.72rem 2.45rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-panel);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 500;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.14);
}

.search-input::placeholder { color: var(--text-muted); font-weight: 500; }

.chips {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  margin-bottom: 0.5rem;
  scrollbar-width: none;
}

.chips::-webkit-scrollbar { display: none; }

.chip {
  flex: 0 0 auto;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-panel);
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0;
  transition: color 0.15s ease, background-color 0.15s ease,
    border-color 0.15s ease, box-shadow 0.15s ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
}

.chip:hover {
  border-color: var(--primary);
  color: var(--text-main);
}

.chip.is-active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

[data-theme="dark"] .chip.is-active {
  color: #0b1220;
  box-shadow: 0 2px 8px rgba(77, 142, 247, 0.35);
}

.chip-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  font-size: 0.62rem;
  font-weight: 900;
  border-radius: 9999px;
  background-color: rgba(148, 163, 184, 0.2);
  color: inherit;
  line-height: 1;
}

.chip.is-active .chip-count {
  background-color: rgba(255, 255, 255, 0.25);
  color: inherit;
}

[data-theme="dark"] .chip.is-active .chip-count {
  background-color: rgba(0, 0, 0, 0.2);
  color: inherit;
}

/* =============================================================
   Thẻ thiết bị
   ============================================================= */

.device-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.6rem;
  list-style: none;
}

@media (min-width: 720px) {
  .device-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1100px) {
  .device-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.device-card {
  width: 100%;
  min-width: 0;
  text-align: left;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.85rem 0.9rem;
  border-radius: var(--radius-lg);
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.device-card:hover { border-color: var(--primary); }

.device-card:active { background-color: var(--bg-main); }

.device-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.device-name {
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-main);
  overflow-wrap: anywhere;
}

.device-hospital {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  overflow-wrap: anywhere;
}

.device-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.9rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
}

.device-meta b {
  color: var(--text-main);
  font-weight: 800;
}

.device-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-color);
}

.device-due {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.device-due small {
  font-size: 0.58rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.device-due strong { font-size: 0.82rem; font-weight: 900; }

/* =============================================================
   Nhãn trạng thái
   ============================================================= */

.pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.22rem 0.55rem;
  border-radius: 9999px;
  border: 1px solid transparent;
  font-size: 0.6rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  white-space: nowrap;
}

.pill-ok {
  background-color: var(--ok-bg);
  border-color: var(--ok-border);
  color: var(--ok-fg);
}

.pill-soon {
  background-color: var(--warn-bg);
  border-color: var(--warn-border);
  color: var(--warn-fg);
}

.pill-overdue {
  background-color: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-fg);
}

.pill-muted {
  background-color: rgba(148, 163, 184, 0.16);
  border-color: rgba(148, 163, 184, 0.3);
  color: var(--text-muted);
}

/* =============================================================
   Trạng thái rỗng / đang tải
   ============================================================= */

.empty {
  display: grid;
  place-items: center;
  gap: 0.5rem;
  padding: 2.6rem 1rem;
  text-align: center;
  color: var(--text-muted);
}

.empty svg { width: 40px; height: 40px; opacity: 0.45; }

.empty strong { color: var(--text-main); font-size: 0.9rem; }

.empty p { font-size: 0.78rem; max-width: 30ch; }

.spinner {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  animation: spin 0.7s linear infinite;
  margin: 2rem auto;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* =============================================================
   Thống kê tổng quan
   ============================================================= */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

@media (min-width: 720px) { .stat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.stat-card {
  min-width: 0;
  padding: 0.8rem 0.85rem;
  border-radius: var(--radius-lg);
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 76px;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.stat-card.is-clickable {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.stat-card.is-clickable:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.stat-card.is-clickable:active {
  transform: translateY(0);
}

[data-theme="dark"] .stat-card.is-clickable:hover {
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
}

.stat-card small {
  display: block;
  font-size: 0.58rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}

.stat-card strong {
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1.1;
}

.stat-hint {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.62rem;
  font-weight: 800;
  color: var(--text-muted);
  margin-top: 0.2rem;
  letter-spacing: 0.02em;
  transition: color 0.15s ease;
}

.stat-card.is-clickable:hover .stat-hint {
  color: var(--primary);
}

.stat-card.is-overdue strong { color: var(--danger-fg); }
.stat-card.is-soon strong { color: var(--warn-fg); }
.stat-card.is-ok strong { color: var(--ok-fg); }

/* =============================================================
   Danh sách cần xử lý gấp (Dashboard Urgency)
   ============================================================= */

.urgent-list {
  display: grid;
  gap: 0.5rem;
  list-style: none;
}

.urgent-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 0.85rem;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-left-width: 4px;
  border-radius: var(--radius-md);
  transition: border-color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
  cursor: pointer;
  text-align: left;
  width: 100%;
  -webkit-tap-highlight-color: transparent;
}

.urgent-card.is-overdue {
  border-left-color: var(--danger-fg);
}

.urgent-card.is-soon {
  border-left-color: var(--warn-fg);
}

.urgent-card:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(15, 23, 42, 0.06);
}

.urgent-card:active {
  transform: translateY(0);
}

[data-theme="dark"] .urgent-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.urgent-card-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.urgent-card-name {
  font-size: 0.86rem;
  font-weight: 800;
  color: var(--text-main);
  overflow-wrap: anywhere;
}

.urgent-card-sub {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  overflow-wrap: anywhere;
}

.urgent-card-meta {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.2rem;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
}

.urgent-card-meta b {
  color: var(--text-main);
}

.bar-list { display: grid; gap: 0.45rem; list-style: none; }

.bar-item { display: grid; gap: 0.2rem; }

.bar-item.is-clickable {
  padding: 0.35rem 0.5rem;
  margin: -0.2rem -0.5rem;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s;
}

.bar-item.is-clickable:hover {
  background-color: rgba(37, 99, 235, 0.08);
}

.bar-item-head {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  font-size: 0.74rem;
  font-weight: 700;
}

.bar-item-head span:last-child { color: var(--text-muted); flex: 0 0 auto; }

.bar-track {
  height: 7px;
  border-radius: 9999px;
  background-color: rgba(148, 163, 184, 0.22);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 9999px;
  background-color: var(--primary);
}
/* =============================================================
   Khung trượt (chi tiết / biểu mẫu)
   ============================================================= */

.sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  background-color: rgba(15, 23, 42, 0.42);
}

.sheet {
  position: fixed;
  z-index: 100;
  left: 0;
  right: 0;
  bottom: 0;
  max-width: 100vw;
  max-width: 100%;
  max-height: 92vh;
  max-height: 92dvh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-panel);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-float);
  transition: transform 0.15s ease-out, max-height 0.2s ease;
}

/* Hộp thoại popup (dialog) - nổi ở giữa màn hình thay vì dính đáy */
.sheet.is-dialog {
  top: 50%;
  bottom: auto;
  left: 50%;
  right: auto;
  transform: translate(-50%, -50%);
  width: min(440px, calc(100vw - 1.5rem));
  max-width: calc(100vw - 1.5rem);
  max-height: min(85dvh, calc(100vh - 2rem));
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-float);
  box-sizing: border-box;
  margin: 0;
}

.sheet.is-dialog .sheet-handle {
  display: none;
}

.sheet.is-dialog .sheet-body {
  padding: 1.1rem 1.2rem 1.25rem;
}

@media (max-width: 400px) {
  .sheet.is-dialog {
    width: calc(100vw - 1.25rem);
    max-width: calc(100vw - 1.25rem);
  }

  .sheet.is-dialog .sheet-body {
    padding: 1rem 1rem 1.15rem;
  }
}

.sheet.is-dialog .sheet-head {
  margin-bottom: 0.75rem;
}

.sheet-handle {
  flex: 0 0 auto;
  padding: 0.55rem 0 0.35rem;
  display: grid;
  place-items: center;
  cursor: grab;
}

.sheet-handle::before {
  content: '';
  width: 42px;
  height: 4px;
  border-radius: 9999px;
  background-color: var(--border-color);
}

.sheet-body {
  flex: 1;
  min-width: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0.35rem 1rem calc(2rem + var(--safe-bottom));
  overscroll-behavior: contain;
}

.sheet-body::-webkit-scrollbar { width: 6px; }
.sheet-body::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 9999px;
}

@media (min-width: 900px) {
  .sheet {
    left: 50%;
    right: auto;
    bottom: auto;
    top: 50%;
    width: min(680px, 92vw);
    border-radius: var(--radius-xl);
    transform: translate(-50%, -50%);
  }

  .sheet.is-dialog {
    width: min(460px, 92vw);
  }

  .sheet-handle { display: none; }

  .sheet-body { padding: 1.3rem 1.4rem; }
}

.sheet-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.7rem;
  margin-bottom: 0.85rem;
  min-width: 0;
}

.sheet-head > :first-child {
  flex: 1 1 0%;
  min-width: 0;
}

.sheet-title {
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.sheet-subtitle {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.15rem;
  overflow-wrap: anywhere;
}

.dialog-desc {
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.48;
  color: var(--text-muted);
  margin-top: -0.2rem;
  margin-bottom: 0.4rem;
  overflow-wrap: anywhere;
}

.dialog-desc.is-danger {
  color: var(--danger-fg);
  font-weight: 600;
}

.close-btn {
  -webkit-appearance: none;
  appearance: none;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background-color: rgba(148, 163, 184, 0.16);
  color: var(--text-muted);
  border: none;
  padding: 0 !important;
  margin: 0 !important;
  line-height: 0 !important;
  font-size: 0 !important;
  box-sizing: border-box;
  transition: background-color 0.16s ease, color 0.16s ease;
}

.close-btn:hover {
  background-color: var(--danger-bg);
  color: var(--danger-fg);
}

.close-btn svg {
  display: block !important;
  width: 16px;
  height: 16px;
  margin: 0 !important;
  padding: 0 !important;
  flex-shrink: 0;
}

/* =============================================================
   Thanh chuyển nhóm thông tin chi tiết thiết bị (Segmented Tabs)
   ============================================================= */

.detail-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-md);
  background-color: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--border-color);
  margin-bottom: 0.75rem;
}

.detail-hero-status {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  flex: 1;
}

.detail-hero-meta {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  overflow-wrap: anywhere;
  line-height: 1.25;
}

.detail-nav {
  display: flex;
  gap: 4px;
  padding: 4px;
  background-color: rgba(148, 163, 184, 0.12);
  border-radius: var(--radius-lg);
  margin-bottom: 0.9rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.detail-nav::-webkit-scrollbar {
  display: none;
}

.detail-tab {
  flex: 1 1 0;
  min-width: 0;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.32rem;
  padding: 0.45rem 0.35rem;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--text-muted);
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
  white-space: nowrap;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.detail-tab:hover {
  color: var(--text-main);
}

.detail-tab.is-active {
  background-color: var(--bg-panel);
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.1);
  font-weight: 900;
}

[data-theme="dark"] .detail-tab.is-active {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.detail-tab-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.detail-tab-icon svg {
  width: 14px;
  height: 14px;
}

.detail-tab-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-tab-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  font-size: 0.62rem;
  font-weight: 900;
  border-radius: 9999px;
  background-color: rgba(148, 163, 184, 0.22);
  color: var(--text-muted);
  line-height: 1;
  flex-shrink: 0;
}

.detail-tab.is-active .detail-tab-badge {
  background-color: var(--primary-soft);
  color: var(--primary);
}

.detail-pane {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.detail-pane[hidden] {
  display: none !important;
}

.detail-hosp-card {
  padding: 0.7rem 0.8rem;
  border-radius: var(--radius-md);
  background-color: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--border-color);
}

.detail-hosp-name {
  font-size: 0.84rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.2rem;
}

.detail-hosp-address {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
}

.detail-hosp-address svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  color: var(--primary);
}

/* =============================================================
   Bảng thông tin trong khung chi tiết
   ============================================================= */

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin-bottom: 0.4rem;
}

.info-cell {
  padding: 0.6rem 0.7rem;
  border-radius: var(--radius-md);
  background-color: rgba(148, 163, 184, 0.1);
  border: 1px solid var(--border-color);
  min-width: 0;
}

.info-cell.is-wide { grid-column: 1 / -1; }

.info-cell small {
  display: block;
  font-size: 0.56rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.12rem;
}

.info-cell span {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

/* =============================================================
   Danh sách mốc bảo trì
   ============================================================= */

.milestones { display: grid; gap: 0.45rem; list-style: none; }

.milestone {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.7rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-panel);
  transition: border-color 0.16s ease, background-color 0.16s ease;
}

.milestone.is-done {
  border-color: var(--ok-border);
  background-color: var(--ok-bg);
}

.milestone.is-overdue {
  border-color: var(--danger-border);
  background-color: var(--danger-bg);
}

.milestone-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.milestone-body b {
  font-size: 0.82rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.milestone-body small {
  font-size: 0.63rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.milestone.is-done .milestone-body small { color: var(--ok-fg); }
.milestone.is-overdue .milestone-body small { color: var(--danger-fg); }

/* =============================================================
   Nhật ký thiết bị
   ============================================================= */

.log-list { display: grid; gap: 0.45rem; list-style: none; }

.log-item {
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: rgba(148, 163, 184, 0.08);
}

.log-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.2rem;
}

.log-head strong { font-size: 0.74rem; font-weight: 900; min-width: 0; overflow-wrap: anywhere; }

.log-head time { font-size: 0.66rem; color: var(--text-muted); font-weight: 700; flex-shrink: 0; white-space: nowrap; margin-left: auto; }

.log-body { font-size: 0.78rem; overflow-wrap: anywhere; }

/* =============================================================
   Hộp thoại xác nhận & thông báo
   ============================================================= */

.confirm-text {
  font-size: 0.86rem;
  line-height: 1.55;
  margin-bottom: 1rem;
  overflow-wrap: anywhere;
}

.confirm-text b { font-weight: 900; }

.sheet-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  width: 100%;
}

.sheet-actions .btn {
  flex: 1 1 130px;
  min-width: 0;
  min-height: 44px;
  white-space: normal;
  overflow-wrap: anywhere;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
  width: 100%;
}

.form-actions .btn {
  min-width: 0;
  min-height: 44px;
  white-space: normal;
  overflow-wrap: anywhere;
}

.form-actions .btn-primary { flex: 2 1 160px; }
.form-actions .btn-ghost { flex: 1 1 100px; }

/* Nút hành động trong hộp thoại nổi (Dialog Actions) —
   Trên màn hình rộng: nút phụ gọn bên trái, nút chính co giãn bên phải;
   Trên điện thoại (<= 440px): xếp chồng 100% chiều ngang, nút chính ở trên,
   tuyệt đối không bao giờ tràn viền hộp thoại. */
.dialog-actions {
  display: flex;
  align-items: stretch;
  gap: 0.55rem;
  margin-top: 1.15rem;
  width: 100%;
}

.dialog-actions > .btn {
  min-width: 0;
  min-height: 44px;
  padding: 0.72rem 0.9rem;
  font-size: 0.84rem;
  border-radius: var(--radius-lg);
  white-space: normal;
  overflow-wrap: anywhere;
}

.dialog-actions > .btn-ghost {
  flex: 0 1 auto;
  min-width: 88px;
}

.dialog-actions > .btn-primary,
.dialog-actions > .btn-danger {
  flex: 1 1 0%;
}

@media (max-width: 440px) {
  .dialog-actions {
    flex-direction: column-reverse;
    gap: 0.5rem;
  }

  .dialog-actions > .btn,
  .dialog-actions > .btn-ghost,
  .dialog-actions > .btn-primary,
  .dialog-actions > .btn-danger {
    flex: 1 1 auto;
    width: 100%;
  }
}

/* Thanh công cụ tìm kiếm + nút thao tác trong tab Danh mục */
.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0.65rem;
  width: 100%;
}

.catalog-toolbar .search-wrap {
  flex: 1 1 200px;
  min-width: 0;
  margin-bottom: 0;
}

.catalog-toolbar-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  flex-shrink: 0;
}

@media (max-width: 540px) {
  .catalog-toolbar .search-wrap {
    flex: 1 1 100%;
  }

  .catalog-toolbar-actions {
    width: 100%;
  }

  .catalog-toolbar-actions > .btn {
    flex: 1 1 0%;
    min-height: 40px;
    white-space: normal;
  }
}

@keyframes toastSlideDown {
  from {
    opacity: 0;
    transform: translate(-50%, -10px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.toast {
  position: fixed;
  left: 50%;
  top: calc(0.9rem + env(safe-area-inset-top, 0px));
  transform: translateX(-50%);
  z-index: 9999;
  max-width: min(92vw, 440px);
  width: max-content;
  padding: 0.72rem 1.25rem;
  border-radius: 9999px;
  background-color: #1e293b;
  color: #f8fafc;
  font-size: 0.82rem;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.45), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  pointer-events: none;
  animation: toastSlideDown 0.22s ease-out;
}

.toast.is-error {
  background-color: #b91c1c;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 25px -5px rgba(185, 28, 28, 0.45);
}

.field-input.is-invalid {
  border-color: var(--danger-fg) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.22) !important;
  animation: inputShake 0.25s ease;
}

@keyframes inputShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.field-suggestions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.45rem;
  padding: 0.45rem 0.6rem;
  background-color: rgba(37, 99, 235, 0.06);
  border: 1px dashed rgba(37, 99, 235, 0.35);
  border-radius: var(--radius-md);
}

[data-theme="dark"] .field-suggestions {
  background-color: rgba(30, 58, 138, 0.18);
  border-color: rgba(96, 165, 250, 0.3);
}

.suggestion-hint {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary);
  width: 100%;
  margin-bottom: 0.15rem;
}

.suggestion-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.suggestion-chip:hover,
.suggestion-chip:active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: translateY(-1px);
}


/* =============================================================
   Cài đặt
   ============================================================= */

.panel {
  min-width: 0;
  max-width: 100%;
  padding: 0.9rem;
  border-radius: var(--radius-lg);
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  margin-bottom: 0.75rem;
}

.panel-row {
  min-width: 0;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--border-color);
}

.panel-row:last-child { border-bottom: none; }

.panel-row-label { font-size: 0.82rem; font-weight: 700; }

.panel-row-value {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--text-muted);
  text-align: right;
  overflow-wrap: anywhere;
}

.panel-row-main {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}

.panel-row-main .panel-row-label {
  overflow-wrap: break-word;
  word-break: break-word;
}

.panel-row-sub {
  font-size: 0.74rem;
  color: var(--text-muted);
  line-height: 1.35;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.panel-row-main.is-clickable {
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: opacity 0.15s ease;
  user-select: none;
}

.panel-row-main.is-clickable:hover .panel-row-label {
  color: var(--primary);
}

.panel-row-main.is-clickable:active {
  opacity: 0.75;
}

.panel-row-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.28rem;
}

.badge-count {
  display: inline-flex;
  align-items: center;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.12rem 0.5rem;
  border-radius: 9999px;
  line-height: 1.35;
  white-space: nowrap;
  flex-shrink: 0;
}

.badge-count.has-devices {
  background-color: rgba(37, 99, 235, 0.12);
  color: var(--primary);
  border: 1px solid rgba(37, 99, 235, 0.25);
}

[data-theme="dark"] .badge-count.has-devices {
  background-color: rgba(59, 130, 246, 0.18);
  color: #60a5fa;
  border-color: rgba(96, 165, 250, 0.35);
}

.badge-count.no-devices {
  background-color: rgba(148, 163, 184, 0.12);
  color: var(--text-muted);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.hospital-address {
  font-size: 0.74rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  overflow-wrap: anywhere;
}

.hospital-address svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.hospital-address.is-empty {
  font-style: italic;
  opacity: 0.65;
}

.hospital-devices-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.hospital-device-card {
  padding: 0.75rem 0.9rem;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.hospital-device-card:hover {
  border-color: var(--primary);
  background-color: rgba(37, 99, 235, 0.04);
  transform: translateY(-1px);
}

[data-theme="dark"] .hospital-device-card:hover {
  background-color: rgba(59, 130, 246, 0.08);
}

.hospital-device-card:active {
  transform: translateY(0);
}

.hospital-device-info {
  flex: 1 1 0%;
  min-width: 0;
}

.hospital-device-title {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-main);
  overflow-wrap: anywhere;
}

.hospital-device-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  overflow-wrap: anywhere;
}

.hospital-device-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  flex-shrink: 0;
}

.hospital-device-due {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 600;
}

.panel-row-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
  flex-wrap: nowrap;
}

.btn-text-short {
  display: none;
}

@media (max-width: 480px) {
  .btn-text-full {
    display: none;
  }
  .btn-text-short {
    display: inline;
  }
  .panel-row-actions .btn-sm {
    padding: 0.28rem 0.55rem;
    font-size: 0.74rem;
  }
  .panel-row {
    gap: 0.55rem;
    padding: 0.6rem 0;
  }
}

.user-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--border-color);
}

.user-row:last-child { border-bottom: none; }

.user-avatar {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background-color: rgba(59, 130, 246, 0.14);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 900;
}

.user-main { flex: 1; min-width: 0; }

.user-main b { display: block; font-size: 0.82rem; font-weight: 800; }

.user-main small {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* =============================================================
   Tiện ích
   ============================================================= */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.muted { color: var(--text-muted); }

.row-gap { display: inline-flex; align-items: center; gap: 0.45rem; flex-shrink: 0; flex-wrap: nowrap; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* =============================================================
   Chống iOS Safari/Chrome tự động zoom-in khi chạm vào ô nhập liệu:
   WebKit trên iOS (Safari, Chrome iOS) tự động phóng to viewport nếu
   font-size của input < 16px. Đặt font-size tối thiểu 16px cho tất cả
   các phần tử input, select, textarea trên màn hình di động / iOS.
   ============================================================= */

@media screen and (max-width: 768px) {
  input,
  select,
  textarea,
  .field-input,
  .field-select,
  .field-textarea,
  .search-input {
    font-size: 16px !important;
  }
}

@supports (-webkit-touch-callout: none) {
  input,
  select,
  textarea,
  .field-input,
  .field-select,
  .field-textarea,
  .search-input {
    font-size: 16px !important;
  }
}

/* =============================================================
   Thao tác chọn & thanh tác vụ hàng loạt (Bulk Actions)
   Tối ưu hoá cho Smartphone & Desktop
   ============================================================= */

.device-card.is-selected {
  border-color: var(--primary);
  background-color: var(--primary-soft);
  box-shadow: 0 0 0 1px var(--primary);
}

.device-card-row {
  display: flex;
  align-items: stretch;
  gap: 0.65rem;
  width: 100%;
}

.device-checkbox {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 2px solid var(--border-color);
  background-color: var(--bg-panel);
  display: grid;
  place-items: center;
  color: #fff;
  cursor: pointer;
  margin-right: 0.5rem;
  margin-top: 0.1rem;
  transition: all 0.15s ease;
}

.device-checkbox svg {
  width: 16px;
  height: 16px;
  opacity: 0;
  transform: scale(0.6);
  transition: all 0.15s ease;
}

.device-card.is-selected .device-checkbox {
  background-color: var(--primary);
  border-color: var(--primary);
}

.device-card.is-selected .device-checkbox svg {
  opacity: 1;
  transform: scale(1);
}

.device-hospital-btn {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  overflow-wrap: anywhere;
  text-align: left;
  border-radius: 4px;
  padding: 1px 4px;
  margin-left: -4px;
  transition: color 0.15s, background-color 0.15s;
}

.device-hospital-btn:hover {
  color: var(--primary);
  background-color: rgba(37, 99, 235, 0.12);
}

.device-meta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  background: none;
  border: none;
  padding: 1px 4px;
  border-radius: 4px;
  font: inherit;
  color: inherit;
  cursor: pointer;
  transition: color 0.15s, background-color 0.15s;
}

.device-meta-btn:hover {
  color: var(--primary);
  background-color: rgba(37, 99, 235, 0.12);
}

.selection-bar {
  position: fixed;
  left: 0.75rem;
  right: 0.75rem;
  bottom: calc(var(--tabs-h) + var(--safe-bottom) + 0.65rem);
  z-index: 60;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-float);
  padding: 0.75rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  animation: slideUpFade 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: min(680px, calc(100vw - 1.5rem));
  overflow-x: hidden;
  box-sizing: border-box;
  margin: 0 auto;
}

@keyframes slideUpFade {
  from {
    transform: translateY(16px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.selection-bar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  min-width: 0;
  gap: 0.45rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.selection-bar-actions {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 0.4rem;
  width: 100%;
}

.selection-bar-actions .btn {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 40px;
  padding: 0.55rem 0.5rem;
  font-size: 0.74rem;
  border-radius: var(--radius-md);
  gap: 0.3rem;
  white-space: nowrap;
}

@media (min-width: 900px) {
  .selection-bar {
    bottom: 1.5rem;
  }
}

/* =============================================================
   Lưới lịch bảo trì tháng (Calendar Month Grid)
   & Cảnh báo bảo trì 14 ngày
   ============================================================= */

.reminder-banner {
  background-color: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-fg);
  border-radius: var(--radius-lg);
  padding: 0.65rem 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.55rem 0.75rem;
  margin-bottom: 0.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.reminder-banner-text {
  flex: 1 1 180px;
  min-width: 0;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.4;
}

.reminder-banner-btn {
  background-color: var(--warn-fg);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.reminder-banner-btn:hover {
  opacity: 0.9;
}

.cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0.75rem 0 0.65rem;
  flex-wrap: wrap;
}

.cal-month-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
}

.cal-month-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-main);
  min-width: 108px;
  text-align: center;
  white-space: nowrap;
}

.cal-view-toggle {
  display: inline-flex;
  flex-shrink: 0;
  max-width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-panel);
  overflow: hidden;
}

.cal-view-btn {
  padding: 0.38rem 0.6rem;
  min-height: 36px;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.cal-view-btn.is-active {
  background-color: var(--primary);
  color: #fff;
}

.cal-grid-wrap {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  box-shadow: var(--shadow-panel);
}

.cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  background-color: var(--bg-main);
  border-bottom: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--text-muted);
  padding: 0.45rem 0;
}

.cal-days {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 1px;
  background-color: var(--border-color);
}

.cal-day-cell {
  background-color: var(--bg-panel);
  min-width: 0;
  min-height: 58px;
  padding: 0.3rem 0.15rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  position: relative;
  transition: background-color 0.15s ease;
  user-select: none;
}

@media (min-width: 768px) {
  .cal-day-cell {
    min-height: 75px;
    padding: 0.45rem 0.45rem;
    align-items: flex-start;
  }
}

.cal-day-cell:hover:not(.is-empty) {
  background-color: var(--bg-main);
}

.cal-day-cell.is-other-month {
  opacity: 0.35;
}

.cal-day-cell.is-today .cal-day-num {
  background-color: var(--primary);
  color: #fff;
  border-radius: 50%;
}

.cal-day-num {
  font-size: 0.74rem;
  font-weight: 800;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
}

.cal-day-events {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  width: 100%;
}

.cal-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0.1rem 0.28rem;
  border-radius: 9999px;
  font-size: 0.58rem;
  font-weight: 800;
  line-height: 1.1;
  white-space: nowrap;
}

.cal-badge.is-overdue {
  background-color: var(--danger-bg);
  color: var(--danger-fg);
  border: 1px solid var(--danger-border);
}

.cal-badge.is-soon {
  background-color: var(--warn-bg);
  color: var(--warn-fg);
  border: 1px solid var(--warn-border);
}

.cal-badge.is-ok {
  background-color: var(--ok-bg);
  color: var(--ok-fg);
  border: 1px solid var(--ok-border);
}

.cal-day-modal-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin: 0.65rem 0 0.2rem;
  max-height: 58vh;
  min-width: 0;
  overflow-x: hidden;
  overflow-y: auto;
}

/* Nhóm thiết bị theo bệnh viện trong bảng lịch ngày */
.cal-day-hosp-group {
  background-color: rgba(148, 163, 184, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cal-day-hosp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px dashed var(--border-color);
}

.cal-day-hosp-title-wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  min-width: 0;
}

.cal-day-hosp-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
}

.cal-day-hosp-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.45rem;
  border-radius: 9999px;
  font-size: 0.65rem;
  font-weight: 700;
  background-color: rgba(148, 163, 184, 0.15);
  color: var(--text-muted);
}

.cal-day-hosp-badge.is-done {
  background-color: var(--ok-bg);
  color: var(--ok-fg);
  border: 1px solid var(--ok-border);
}

.cal-day-hosp-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.cal-day-batch-btn,
.cal-day-hosp-export-btn {
  padding: 0.28rem 0.55rem !important;
  font-size: 0.72rem !important;
  min-height: 30px !important;
  border-radius: var(--radius-sm) !important;
  gap: 0.25rem !important;
}

.cal-day-batch-btn.is-all-done {
  color: var(--ok-fg);
  border-color: var(--ok-border);
}

.cal-day-hosp-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.cal-day-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-md);
  background-color: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--border-color);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.cal-day-row.is-done {
  border-color: var(--ok-border);
  background-color: var(--ok-bg);
}

.cal-day-row.is-overdue {
  border-color: var(--danger-border);
  background-color: var(--danger-bg);
}

.cal-day-row-main {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.cal-day-row-main:hover .panel-row-label {
  color: var(--primary);
}

.cal-day-checkbox {
  appearance: none;
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  border-radius: 50%;
  border: 1.5px solid var(--border-color);
  background-color: rgba(128, 128, 128, 0.1);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.cal-day-checkbox:checked {
  background-color: var(--ok-fg);
  border-color: var(--ok-fg);
}

.cal-day-checkbox:checked::after {
  content: '';
  width: 0.35rem;
  height: 0.6rem;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(45deg);
  margin-bottom: 0.1rem;
}

.cal-day-checkbox:disabled {
  opacity: 0.5;
  cursor: wait;
}

/* =============================================================
   Tiêu chuẩn UI/UX Pro Max nâng cao
   ============================================================= */

/* 1. Vòng sáng tiêu điểm bàn phím (WCAG AA Focus Visible) */
:focus-visible {
  outline: 2px solid var(--primary) !important;
  outline-offset: 2px !important;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
[tabindex]:focus:not(:focus-visible) {
  outline: none;
}

/* 2. Nút ẩn/hiện mật khẩu */
.password-wrap {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 0.85rem;
}

.password-wrap .field-input {
  padding-right: 2.75rem;
  margin-bottom: 0;
}

.password-toggle-btn {
  position: absolute;
  right: 0.45rem;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.password-toggle-btn:hover {
  color: var(--text-main);
}

/* 3. Huy hiệu thông báo trên thanh điều hướng đáy */
.tab-icon-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tab-badge {
  position: absolute;
  top: -4px;
  right: -8px;
  min-width: 15px;
  height: 15px;
  padding: 0 3px;
  font-size: 0.58rem;
  font-weight: 900;
  line-height: 15px;
  text-align: center;
  border-radius: 9999px;
  background-color: var(--danger-fg);
  color: #ffffff;
  box-shadow: 0 0 0 1.5px var(--bg-panel);
}

.tab-badge.is-soon {
  background-color: var(--warn-fg);
}

/* 4. Nút xoá nhanh tìm kiếm */
.search-clear-btn {
  -webkit-appearance: none;
  appearance: none;
  position: absolute;
  right: 0.55rem;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: block !important;
  border: none;
  background-color: rgba(148, 163, 184, 0.25);
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 !important;
  margin: 0 !important;
  line-height: 1 !important;
  font-size: 0 !important;
  box-sizing: border-box;
  transition: background-color 0.15s ease, color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  z-index: 2;
  overflow: hidden;
}

.search-clear-btn svg {
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  transform: translate(-50%, -50%) !important;
  display: block !important;
  width: 10px !important;
  height: 10px !important;
  margin: 0 !important;
  padding: 0 !important;
  pointer-events: none;
}

.search-clear-btn:hover {
  background-color: var(--danger-bg);
  color: var(--danger-fg);
}

.search-clear-btn[hidden] {
  display: none !important;
}

/* 5. Chip huỷ nhanh bộ lọc bệnh viện */
.active-filter-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.65rem;
  padding: 0.1rem 0;
}

.active-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.32rem 0.65rem;
  border-radius: var(--radius-sm);
  background-color: var(--primary-soft);
  color: var(--primary);
  border: 1px solid rgba(37, 99, 235, 0.25);
  font-size: 0.74rem;
  font-weight: 700;
}

.active-filter-chip svg {
  display: block !important;
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  margin: 0 !important;
}

.active-filter-close {
  -webkit-appearance: none;
  appearance: none;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: none;
  background-color: rgba(37, 99, 235, 0.18);
  color: var(--primary);
  cursor: pointer;
  padding: 0 !important;
  margin: 0 0 0 0.2rem !important;
  line-height: 0 !important;
  font-size: 0 !important;
  box-sizing: border-box;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.active-filter-close svg {
  display: block !important;
  width: 10px;
  height: 10px;
  margin: 0 !important;
  padding: 0 !important;
  flex-shrink: 0;
}

.active-filter-close:hover {
  background-color: var(--danger-bg);
  color: var(--danger-fg);
}

.active-filter-close:hover {
  background-color: var(--danger-bg);
  color: var(--danger-fg);
}

/* 6. Hiệu ứng tải khung xương (Skeleton Shimmer) */
.skeleton-list {
  display: grid;
  gap: 0.55rem;
  width: 100%;
}

.skeleton-card {
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius-lg);
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skeleton-shimmer {
  background: linear-gradient(
    90deg,
    rgba(148, 163, 184, 0.1) 0%,
    rgba(148, 163, 184, 0.22) 50%,
    rgba(148, 163, 184, 0.1) 100%
  );
  background-size: 200% 100%;
  animation: shimmerAnim 1.6s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmerAnim {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}