/* ==========================================================================
   REUSABLE UI COMPONENTS & FORM CONTROLS
   ========================================================================== */

/* Cards */
.card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-glass {
  background: var(--bg-glass-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(212, 175, 55, 0.25);
  box-shadow: var(--shadow-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 13.5px; /* 13px - 14px chuẩn SaaS */
  font-weight: 500;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.35;
  text-transform: none;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--rose-gold), var(--primary-gold));
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: var(--shadow-rose);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--rose-gold-dark), var(--primary-gold-hover));
  box-shadow: 0 6px 20px var(--rose-gold-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-light);
}
.btn-secondary:hover {
  background: var(--bg-surface-alt);
  border-color: var(--primary-gold);
}

.btn-outline {
  background: transparent;
  color: var(--rose-gold-dark);
  border-color: var(--rose-gold);
}
.btn-outline:hover {
  background: var(--rose-gold-light);
  color: var(--burgundy);
}

.btn-danger {
  background: #E11D48;
  color: #FFFFFF;
  border-color: #BE123C;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(225, 29, 72, 0.25);
}
.btn-danger:hover {
  background: #BE123C;
  border-color: #9F1239;
  color: #FFFFFF;
  transform: translateY(-1.5px);
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.35);
}
.btn-danger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-sm {
  padding: 0.42rem 0.9rem;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-full);
}

/* Top action buttons specific harmonization */
.top-actions .btn {
  font-size: 13px;
  font-weight: 500;
  padding: 0.42rem 0.95rem;
  line-height: 1.35;
}

.top-actions .btn-primary {
  font-weight: 600;
}

.btn-icon {
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 50%;
  font-size: 1.1rem;
}

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.badge-gold {
  background: var(--primary-gold-light);
  color: #8C6D1F;
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.badge-rose {
  background: var(--rose-gold-light);
  color: var(--rose-gold-dark);
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.badge-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

/* Form Controls */
.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  width: 100%;
  box-sizing: border-box;
}

.form-label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-main);
  display: block;
  width: 100%;
}

.form-control,
.form-control-sm {
  font-family: var(--font-sans);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface, #FFFFFF);
  color: var(--text-main, #1E293B);
  transition: all var(--transition-fast);
  outline: none;
  box-sizing: border-box;
  color-scheme: light;
  -webkit-tap-highlight-color: transparent;
}

.form-control {
  font-size: 0.92rem;
  padding: 0.75rem 1rem;
  width: 100%;
}

.form-control-sm {
  font-size: 0.82rem;
  padding: 0.4rem 0.75rem;
}

.form-control:focus,
.form-control-sm:focus {
  border-color: var(--rose-gold);
  box-shadow: 0 0 0 3px var(--rose-gold-light);
}

textarea.form-control {
  min-height: 90px;
  resize: vertical;
}

/* Search Input Wrapper */
.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-input-wrapper input,
.search-input-wrapper .form-control {
  padding-left: 2.5rem !important;
  padding-right: 1rem;
  width: 100%;
  box-sizing: border-box;
  text-overflow: ellipsis;
  font-size: 0.88rem;
}

.search-input-wrapper .search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-subtle, #94A3B8);
  font-size: 0.95rem;
  pointer-events: none;
  z-index: 2;
  line-height: 1;
}

/* ==========================================================================
   FORM CONTROLS & SELECT DROPDOWN FIX
   Ensures select dropdowns and options render with clean light background
   and prevents black box / black flash issue on focus/click/selection.
   ========================================================================== */
input, select, textarea, button, option, optgroup {
  color-scheme: light;
  -webkit-tap-highlight-color: transparent;
}

select,
select.form-control,
select.form-control-sm,
.wcard-select,
.tier-select {
  color-scheme: light;
  -webkit-tap-highlight-color: transparent;
  background-color: #FFFFFF !important;
  color: #1E293B !important;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%3C64748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.25rem !important;
}

select:focus,
select.form-control:focus,
select.form-control-sm:focus {
  border-color: var(--rose-gold);
  box-shadow: 0 0 0 3px var(--rose-gold-light);
  outline: none;
}

select option,
select optgroup,
.form-control option,
.form-control-sm option,
.wcard-select option,
.tier-select option {
  background-color: #FFFFFF !important;
  color: #1E293B !important;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  padding: 0.6rem 0.8rem;
}

select option:hover,
select option:focus,
select option:active,
select option:checked,
.form-control option:hover,
.form-control option:focus,
.form-control option:active,
.form-control option:checked {
  background-color: var(--primary-gold-light, #FBF4DE) !important;
  color: var(--text-heading, #0F172A) !important;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(35, 34, 32, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: 1rem;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.98);
  transition: all var(--transition-bounce);
  isolation: isolate;
  clip-path: inset(0 round var(--radius-lg));
}

/* Tùy chỉnh thanh cuộn thanh thoát, triệt tiêu nút mũi tên làm hỏng bo góc */
.modal-container::-webkit-scrollbar,
.confirm-modal-body::-webkit-scrollbar {
  width: 6px;
}

.modal-container::-webkit-scrollbar-button,
.confirm-modal-body::-webkit-scrollbar-button {
  display: none !important;
}

.modal-container::-webkit-scrollbar-track,
.confirm-modal-body::-webkit-scrollbar-track {
  background: transparent;
  margin: 12px 0;
  border-radius: 10px;
}

.modal-container::-webkit-scrollbar-thumb,
.confirm-modal-body::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.4);
  border-radius: 10px;
}

.modal-container::-webkit-scrollbar-thumb:hover,
.confirm-modal-body::-webkit-scrollbar-thumb:hover {
  background: rgba(100, 116, 139, 0.7);
}

.modal-overlay.active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: #1E293B;
  letter-spacing: -0.01em;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  padding: 8px;
  margin: -8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  touch-action: manipulation;
  position: relative;
}
.modal-close:hover { color: var(--text-main); }

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ==========================================
   CUSTOM REUSABLE CONFIRMATION MODAL (PRETTIER POPUP)
   ========================================== */
.confirm-modal-overlay {
  z-index: 2500 !important;
  background: rgba(15, 23, 42, 0.65) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s ease !important;
}

.confirm-modal-container {
  max-width: 440px !important;
  width: 90% !important;
  border-radius: 20px !important;
  background: #FFFFFF !important;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25), 0 0 0 1px rgba(226, 232, 240, 0.8) !important;
  border: none !important;
  padding: 0 !important;
  overflow: hidden !important;
  isolation: isolate;
  clip-path: inset(0 round 20px) !important;
  position: relative !important;
  transform: scale(0.92) translateY(12px) !important;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
  scrollbar-width: none !important;
}

.confirm-modal-container::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
}

.confirm-modal-overlay.active .confirm-modal-container {
  transform: scale(1) translateY(0) !important;
}

.confirm-modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748B;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 2;
  touch-action: manipulation;
}

.confirm-modal-close::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border-radius: 50%;
}

.confirm-modal-close:hover {
  background: #F1F5F9;
  color: #0F172A;
  transform: rotate(90deg);
}

.confirm-modal-body {
  padding: 2.25rem 1.75rem 1.25rem 1.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.confirm-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  position: relative;
  box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.08);
  animation: pulse-badge 2.5s infinite ease-in-out;
}

@keyframes pulse-badge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.confirm-icon-wrapper.danger {
  background: linear-gradient(135deg, #FFE4E6 0%, #FECDD3 100%);
  border: 2px solid #FDA4AF;
  color: #E11D48;
}

.confirm-icon-wrapper.warning {
  background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
  border: 2px solid #FCD34D;
  color: #D97706;
}

.confirm-icon-wrapper.info {
  background: linear-gradient(135deg, #E0F2FE 0%, #BAE6FD 100%);
  border: 2px solid #7DD3FC;
  color: #0284C7;
}

.confirm-icon {
  font-size: 28px;
  line-height: 1;
}

.confirm-modal-title {
  font-family: var(--font-heading, 'Plus Jakarta Sans', sans-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.confirm-modal-message {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 0;
  max-width: 360px;
}

.confirm-item-badge {
  margin-top: 1rem;
  background: #F8FAFC;
  border: 1px dashed #CBD5E1;
  border-radius: 12px;
  padding: 0.65rem 1rem;
  max-width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  text-align: left;
}

.confirm-item-icon {
  font-size: 0.95rem;
  flex-shrink: 0;
}

.confirm-item-text {
  font-size: 0.88rem;
  font-weight: 600;
  color: #1E293B;
  word-break: break-word;
  line-height: 1.4;
}

.confirm-modal-footer {
  padding: 1rem 1.5rem 1.5rem 1.5rem;
  background: #FAFAFA;
  border-top: 1px solid #F1F5F9;
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

.confirm-btn-cancel {
  flex: 1;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9rem;
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  color: #475569;
  cursor: pointer;
  transition: all 0.2s ease;
}

.confirm-btn-cancel:hover {
  background: #F1F5F9;
  color: #0F172A;
  border-color: #94A3B8;
}

.confirm-btn-action {
  flex: 1.2;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.confirm-btn-action.danger {
  background: linear-gradient(135deg, #E11D48 0%, #BE123C 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.35);
}

.confirm-btn-action.danger:hover {
  background: linear-gradient(135deg, #F43F5E 0%, #E11D48 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(225, 29, 72, 0.45);
}

.confirm-btn-action.warning {
  background: linear-gradient(135deg, #D97706 0%, #B45309 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
}

.confirm-btn-action.warning:hover {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(217, 119, 6, 0.45);
}

.confirm-btn-action.info {
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.confirm-btn-action.info:hover {
  background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.45);
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: var(--bg-surface);
  border-left: 4px solid var(--rose-gold);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.25rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 280px;
  max-width: 400px;
  animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   EMPTY STATE STYLES (Chuẩn Facebook & Modern SaaS Dashboard)
   ========================================================================== */
.empty-state {
  text-align: center;
  padding: 2.75rem 1.5rem;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-subtle);
  max-width: 620px;
  margin: 1.5rem auto;
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 0.65rem;
  display: inline-block;
  line-height: 1;
}

.empty-state h3,
.empty-state h4,
.empty-state-title {
  font-family: var(--font-heading);
  font-size: 16px; /* 15px - 16px */
  font-weight: 600;
  color: #1E293B; /* slate-800 */
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
  text-transform: none;
}

.empty-state p,
.empty-state-desc {
  font-family: var(--font-sans);
  font-size: 13.5px; /* 13px - 14px */
  font-weight: 400;
  color: #64748B; /* slate-500 xám dịu mắt */
  line-height: 1.55;
  margin-bottom: 1.25rem;
  text-transform: none;
}