/* TDH CRM - giao dien khung. Mau chinh/phu doi theo du an qua bien CSS
   (--color-primary, --color-accent do app.js dat bang CSSOM sau khi kiem dinh dang #rrggbb). */

:root {
  --color-primary: #2563eb;
  --color-on-primary: #ffffff;
  --color-bg: #f5f7fb;
  --color-surface: #ffffff;
  --color-surface-2: #f0f3f9;
  --color-text: #111827;
  --color-muted: #5b6474;
  --color-border: #dde3ec;
  --color-danger: #c62828;
  --color-danger-bg: #fdecec;
  --color-warn: #8a5a00;
  --color-warn-bg: #fff4dc;
  --color-success: #1b7a3a;
  --color-success-bg: #e6f6ec;
  --color-info-bg: #e8f0fe;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.1);
  --nav-width: 232px;
  --topbar-h: 56px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f141c;
    --color-surface: #171d27;
    --color-surface-2: #1f2733;
    --color-text: #e8ecf2;
    --color-muted: #9aa4b3;
    --color-border: #2b3442;
    --color-danger: #ff8a80;
    --color-danger-bg: #3a1c1c;
    --color-warn: #ffcc66;
    --color-warn-bg: #3a2e14;
    --color-success: #7bd88f;
    --color-success-bg: #163222;
    --color-info-bg: #1a2640;
    color-scheme: dark;
  }
}

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

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-text-size-adjust: 100%;
}

[hidden] { display: none !important; }

a { color: var(--color-primary); }
a:hover { text-decoration: none; }

h1, h2, h3 { line-height: 1.25; margin: 0 0 12px; }
h1 { font-size: 22px; }
h2 { font-size: 18px; }
h3 { font-size: 16px; }
p { margin: 0 0 8px; }

.muted { color: var(--color-muted); }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }

:focus-visible { outline: 2px solid var(--color-accent, var(--color-primary)); outline-offset: 2px; }

/* ------------------------------------------------------------ khung */

.shell { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  background: var(--color-surface);
  border-bottom: 3px solid var(--color-primary);
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
}
.brand img { width: 32px; height: 32px; object-fit: contain; border-radius: 6px; flex: none; }
.brand span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.tenant-chip { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.2; min-width: 0; }
.tenant-chip:empty { display: none; }
.tenant-name { font-weight: 600; font-size: 14px; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tenant-role { font-size: 12px; color: var(--color-muted); }
.user-name { font-size: 14px; color: var(--color-muted); max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.nav-toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius);
  padding: 6px 10px;
  font: inherit;
  cursor: pointer;
}

.body { flex: 1; display: flex; min-height: 0; }

.nav {
  width: var(--nav-width);
  flex: none;
  padding: 16px 12px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
}
.nav-group {
  margin: 12px 8px 4px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}
.nav-group:first-child { margin-top: 0; }
.nav-list { list-style: none; margin: 0; padding: 0; }
.nav-link {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--color-text);
  text-decoration: none;
}
.nav-link:hover { background: var(--color-surface-2); }
.nav-link.is-active {
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 600;
}

.main { flex: 1; min-width: 0; padding: 24px; outline: none; }
.page { max-width: 1100px; }

.is-guest .main { display: flex; justify-content: center; align-items: flex-start; padding-top: 48px; }
.is-guest .page { width: 100%; max-width: 420px; }

/* ------------------------------------------------------------ thanh phan */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.card > :last-child { margin-bottom: 0; }

.page-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin-bottom: 16px; }
.page-head h1 { margin: 0; }
.page-head .spacer { flex: 1; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--color-surface-2); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:hover { background: var(--color-primary); filter: brightness(0.95); }
.btn-danger { background: var(--color-danger); border-color: var(--color-danger); color: #ffffff; }
.btn-danger:hover { background: var(--color-danger); filter: brightness(0.95); }
.btn-link { border-color: transparent; background: transparent; color: var(--color-primary); padding-left: 4px; padding-right: 4px; }
.btn-small { min-height: 30px; padding: 3px 10px; font-size: 13px; }
.btn-block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.form { display: flex; flex-direction: column; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-weight: 600; font-size: 14px; }
.field-check label { font-weight: 500; display: flex; align-items: center; gap: 8px; }
.form input:not([type="checkbox"]):not([type="color"]),
.form select,
.form textarea,
.input {
  width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
}
.form input[type="color"] { width: 64px; height: 40px; padding: 2px; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface); }
.form input:focus, .form select:focus, .form textarea:focus, .input:focus { border-color: var(--color-primary); }
.hint { font-size: 13px; color: var(--color-muted); margin: 0; }
.field-error, .form-error { color: var(--color-danger); font-size: 13px; margin: 0; }
.form-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.alert {
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 12px;
  border: 1px solid transparent;
  background: var(--color-info-bg);
}
.alert p:last-child { margin-bottom: 0; }
.alert-title { font-weight: 600; }
.alert-error { background: var(--color-danger-bg); color: var(--color-danger); }
.alert-warn { background: var(--color-warn-bg); color: var(--color-warn); }
.alert-success { background: var(--color-success-bg); color: var(--color-success); }

.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--color-surface-2);
  color: var(--color-muted);
  white-space: nowrap;
}
.badge-on, .badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-off { background: var(--color-surface-2); color: var(--color-muted); }
.badge-warn { background: var(--color-warn-bg); color: var(--color-warn); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-primary { background: var(--color-primary); color: var(--color-on-primary); }

.loading { color: var(--color-muted); }
.empty { color: var(--color-muted); padding: 12px 0; margin: 0; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; background: var(--color-surface); }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
.table th { font-size: 13px; color: var(--color-muted); font-weight: 600; background: var(--color-surface-2); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table caption { text-align: left; font-weight: 600; padding: 0 0 8px; }
.pager { padding-top: 12px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.stat-label { font-size: 13px; color: var(--color-muted); margin: 0; }
.stat-value { font-size: 26px; font-weight: 700; margin: 0; font-variant-numeric: tabular-nums; }
.stat-danger .stat-value { color: var(--color-danger); }

.swatch {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  vertical-align: middle;
  margin-right: 6px;
  background: var(--swatch, transparent);
}

.settings-group h2 { margin-bottom: 8px; }
.setting-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(0, 2fr);
  gap: 6px 16px;
  padding: 12px 0;
  border-top: 1px solid var(--color-border);
}
.setting-row:first-of-type { border-top: 0; }
.setting-key { font-size: 12px; color: var(--color-muted); }
.setting-label { font-weight: 600; }
.setting-value { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; min-width: 0; word-break: break-word; }
.setting-editor { grid-column: 1 / -1; }

.tenant-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.tenant-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  padding: 12px 14px;
}
.tenant-item .tenant-meta { display: flex; flex-direction: column; min-width: 0; }
.tenant-item .tenant-title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; }

.login-logo { display: block; width: 56px; height: 56px; margin: 0 auto 12px; }
.login-title { text-align: center; }
.otp-input { letter-spacing: 0.4em; font-size: 20px; text-align: center; }

.placeholder { text-align: center; padding: 48px 20px; }

/* thong bao noi */
.toasts {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: min(420px, calc(100vw - 32px));
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow);
}
.toast-text { flex: 1; }
.toast-success { border-left-color: var(--color-success); }
.toast-warn { border-left-color: var(--color-warn); }
.toast-error { border-left-color: var(--color-danger); }
.toast-close { border: 0; background: transparent; color: var(--color-muted); font-size: 18px; line-height: 1; cursor: pointer; padding: 0 2px; }

/* hop thoai xac nhan */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(15, 20, 28, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal {
  width: 100%;
  max-width: 420px;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}
.modal-text { margin-bottom: 16px; white-space: pre-line; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* ------------------------------------------------------------ dien thoai */

@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    bottom: 0;
    height: auto;
    z-index: 30;
    transform: translateX(-100%);
    transition: transform 0.18s ease;
    box-shadow: var(--shadow);
  }
  .nav-open .nav { transform: translateX(0); }
  .main { padding: 16px; }
  .user-name { display: none; }
  .tenant-name { max-width: 120px; }
  .setting-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  body { font-size: 14px; }
  .topbar { padding: 0 10px; gap: 8px; }
  .brand { font-size: 15px; }
  .brand img { width: 28px; height: 28px; }
  .is-guest .main { padding-top: 24px; }
  .card { padding: 16px; }

  /* Bang chuyen thanh the xep doc, nhan cot lay tu data-label */
  .table thead { display: none; }
  .table, .table tbody, .table tr, .table td { display: block; width: 100%; }
  .table tr { border: 1px solid var(--color-border); border-radius: var(--radius); margin-bottom: 10px; padding: 4px 0; }
  .table td { border-bottom: 0; padding: 6px 12px; display: flex; justify-content: space-between; gap: 12px; text-align: right; }
  .table td::before { content: attr(data-label); font-weight: 600; color: var(--color-muted); text-align: left; }
  .table .num { text-align: right; }
}

@media (prefers-reduced-motion: reduce) {
  .nav { transition: none; }
}