/* ==========================================================================
   WHITE-LABEL THEME TOKENS & SYSTEM PRESETS
   Covers both Custom tokens (--color-*) and Bootstrap tokens (--bs-*)
   ========================================================================== */

:root {
  /* Light Mode Colors */
  --color-primary: #435ebe;
  --color-primary-soft: #ebf3ff;
  --color-bg: #f2f7ff;
  --color-surface: #ffffff;
  --color-text: #25396f;
  --color-text-body: #607080;
  --color-border: #dce7f3;
  --color-success: #28ab55;
  --color-warning: #eaca4a;
  --color-danger: #f3616d;

  /* Bootstrap 5 Theme Mapping (Light) */
  --bs-primary: var(--color-primary);
  --bs-primary-rgb: 67, 94, 190;
  --bs-body-bg: var(--color-bg);
  --bs-body-color: var(--color-text-body);
  --bs-card-bg: var(--color-surface);
  --bs-border-color: var(--color-border);
  --bs-success: var(--color-success);
  --bs-warning: var(--color-warning);
  --bs-danger: var(--color-danger);
}

html[data-bs-theme="dark"] {
  /* Dark Mode Colors (Slate Premium Archetype) */
  --color-primary: #3b82f6;
  --color-primary-soft: #1e293b;
  --color-bg: #0b0f19;
  --color-surface: #131b2e;
  --color-text: #f8fafc;
  --color-text-body: #94a3b8;
  --color-border: #1e293b;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  color-scheme: dark;

  /* Bootstrap 5 Theme Mapping (Dark) */
  --bs-primary: var(--color-primary);
  --bs-primary-rgb: 59, 130, 246;
  --bs-body-bg: var(--color-bg);
  --bs-body-color: var(--color-text-body);
  --bs-card-bg: var(--color-surface);
  --bs-border-color: var(--color-border);
  --bs-success: var(--color-success);
  --bs-warning: var(--color-warning);
  --bs-danger: var(--color-danger);
}

/* ==========================================================================
   SHARED BASE — extracted from v2 pages (chamcong, kiemhang, phieukiem)
   ========================================================================== */

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

/* Body base */
body {
  font-family: 'Nunito', 'Segoe UI', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text-body);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  transition: background-color 0.2s ease, color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

/* ===== STICKY APP HEADER ===== */
#app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

#app-header h1,
#app-header .header-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-text);
  margin: 0;
  flex-grow: 1;
}

/* Back link */
.back-link {
  color: var(--color-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* Theme toggle */
.theme-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* ===== BOTTOM SPACER ===== */
.bottom-spacer { height: 80px; }

/* ===== SECTION HEADING ===== */
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 8px;
}

.section-heading h2 {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-body);
  margin: 0;
}

/* ===== TOAST ===== */
#toast-wrap {
  position: fixed;
  top: 20px; left: 50%; transform: translateX(-50%);
  z-index: 9999;
  pointer-events: none;
}

.toast-msg {
  padding: 10px 18px;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 8px;
  animation: toastIn 0.3s ease;
  pointer-events: auto;
  white-space: nowrap;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.toast-success { background: rgba(16,185,129,0.95); color: #fff; }
.toast-error   { background: rgba(239,68,68,0.95);  color: #fff; }
.toast-warning { background: rgba(245,158,11,0.95); color: #fff; }
.toast-info    { background: rgba(59,130,246,0.95); color: #fff; }

/* ===== SLIDE UP ANIMATION ===== */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== SKELETON LOADING ===== */
.skeleton {
  background: var(--color-border);
  border-radius: 8px;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ===== DARK MODE: MODAL & FORM OVERRIDES ===== */
html[data-bs-theme="dark"] .modal-content {
  background-color: var(--color-surface);
  color: var(--color-text-body);
  border: 1px solid var(--color-border);
}

html[data-bs-theme="dark"] .modal-header {
  background-color: var(--color-bg);
  border-color: var(--color-border);
}

html[data-bs-theme="dark"] .modal-header .modal-title,
html[data-bs-theme="dark"] .modal-title {
  color: var(--color-text);
}

html[data-bs-theme="dark"] .modal-footer {
  border-color: var(--color-border);
}

html[data-bs-theme="dark"] .form-control,
html[data-bs-theme="dark"] .form-select {
  background-color: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-border);
}

html[data-bs-theme="dark"] .form-label { color: var(--color-text-body); }
html[data-bs-theme="dark"] .btn-light { background: var(--color-border); color: var(--color-text); border: none; }

/* ===== MOBILE: prevent zoom on input focus ===== */
@media (max-width: 1199.98px) {
  input, select, textarea { font-size: 16px !important; }
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(148,163,184,0.2); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(148,163,184,0.4); }

/* ===== TỐI ƯU HIỆU NĂNG MODAL CHO FLUTTER WEBVIEW ANDROID/IOS ===== */
/* ponytail: TẮT MỌI ANIMATION & TRANSITION, xóa hẳn shadow lớn, filter & backdrop-filter để modal bật/tắt tức thì (0ms latency, 0% CPU lag) */
.modal,
.modal.fade,
.modal-dialog,
.modal.fade .modal-dialog,
.modal-backdrop,
.modal-backdrop.fade {
  transition: none !important;
  animation: none !important;
  transform: none !important;
  backdrop-filter: none !important;
  filter: none !important;
}
.modal-content {
  box-shadow: none !important;
  border-radius: 12px;
  border: 1px solid var(--color-border, #334155) !important;
}
.modal-backdrop.show {
  opacity: 0.5 !important;
}