/* ============================================
   TBK Service System — Master Theme
   Light Mode (Day) & Dark Mode (Night)
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
    /* Light Mode (Default) */
    --bg-body:        #f0f5ff;
    --bg-card:        #ffffff;
    --bg-card-hover:  #f8faff;
    --bg-input:       #f1f5fb;
    --bg-thead:       #1a3fbf;
    --bg-sidebar:     #ffffff;

    --navbar-bg:      #004aad;
    --navbar-text:    #ffffff;
    --navbar-hover:   rgba(255,255,255,0.15);
    --navbar-active:  rgba(255,255,255,0.25);

    --accent:         #004aad;
    --accent-hover:   #003590;
    --accent-light:   #dbeafe;
    --accent-text:    #1e40af;

    --text-primary:   #1e293b;
    --text-secondary: #64748b;
    --text-muted:     #94a3b8;
    --text-inverse:   #ffffff;

    --border:         #e2e8f0;
    --border-focus:   #93c5fd;
    --shadow:         0 4px 20px rgba(0,74,173,0.08);
    --shadow-lg:      0 8px 30px rgba(0,74,173,0.12);

    --danger:         #ef4444;
    --danger-light:   #fee2e2;
    --success:        #10b981;
    --success-light:  #d1fae5;
    --warning:        #f59e0b;
    --warning-light:  #fef3c7;
    --info:           #3b82f6;
    --info-light:     #dbeafe;

    --radius-sm:      8px;
    --radius-md:      12px;
    --radius-lg:      16px;
    --radius-xl:      24px;

    --transition:     all 0.25s ease;
}

[data-theme="dark"] {
    --bg-body:        #0d1117;
    --bg-card:        #161b22;
    --bg-card-hover:  #1c2330;
    --bg-input:       #21262d;
    --bg-thead:       #1d2d44;
    --bg-sidebar:     #161b22;

    --navbar-bg:      #0d1117;
    --navbar-text:    #e6edf3;
    --navbar-hover:   rgba(255,255,255,0.08);
    --navbar-active:  rgba(56,139,253,0.2);

    --accent:         #388bfd;
    --accent-hover:   #58a6ff;
    --accent-light:   #1d2d44;
    --accent-text:    #79c0ff;

    --text-primary:   #e6edf3;
    --text-secondary: #8b949e;
    --text-muted:     #6e7681;
    --text-inverse:   #0d1117;

    --border:         #30363d;
    --border-focus:   #388bfd;
    --shadow:         0 4px 20px rgba(0,0,0,0.4);
    --shadow-lg:      0 8px 30px rgba(0,0,0,0.5);

    --danger:         #f85149;
    --danger-light:   #3d1f1f;
    --success:        #3fb950;
    --success-light:  #1a3d24;
    --warning:        #d29922;
    --warning-light:  #3d2e00;
    --info:           #388bfd;
    --info-light:     #1d2d44;
}

/* ===== BASE STYLES ===== */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Kanit', sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    transition: background 0.3s ease, color 0.3s ease;
    margin: 0;
    min-height: 100vh;
}

/* ===== NAVBAR ===== */
.tbk-navbar {
    background: var(--navbar-bg);
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 16px rgba(0,0,0,0.2);
    transition: background 0.3s ease;
}

.tbk-navbar .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--navbar-text);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.3px;
}

.tbk-navbar .brand .logo-circle {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: rgba(255,255,255,0.2);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
}

.tbk-nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
}

.tbk-nav-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.tbk-nav-links a:hover  { background: var(--navbar-hover); color: #fff; }
.tbk-nav-links a.active { background: var(--navbar-active); color: #fff; font-weight: 600; }

.tbk-nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Theme Toggle Button */
.theme-toggle {
    width: 44px; height: 24px;
    background: rgba(255,255,255,0.2);
    border-radius: 12px;
    border: none;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
}
.theme-toggle::after {
    content: '';
    position: absolute;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: #fff;
    top: 3px; left: 3px;
    transition: var(--transition);
}
[data-theme="dark"] .theme-toggle { background: #388bfd; }
[data-theme="dark"] .theme-toggle::after { transform: translateX(20px); }

.theme-icon { font-size: 0.9rem; }

.btn-logout {
    padding: 5px 14px;
    border-radius: var(--radius-sm);
    background: rgba(239,68,68,0.8);
    color: #fff;
    border: none;
    font-size: 0.8rem;
    font-family: 'Kanit', sans-serif;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}
.btn-logout:hover { background: #ef4444; color: #fff; }

/* ===== CARDS ===== */
.tbk-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
    overflow: hidden;
}
.tbk-card:hover { box-shadow: var(--shadow-lg); }

.tbk-card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
}

.tbk-card-body { padding: 24px; }

/* ===== TABLES ===== */
.tbk-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}
.tbk-table thead th {
    background: var(--accent);
    color: #fff;
    padding: 12px 14px;
    font-weight: 600;
    font-size: 0.82rem;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
.tbk-table thead th:first-child { border-radius: 10px 0 0 0; }
.tbk-table thead th:last-child  { border-radius: 0 10px 0 0; }

.tbk-table tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}
.tbk-table tbody tr:hover { background: var(--bg-card-hover); }
.tbk-table tbody td { padding: 11px 14px; color: var(--text-primary); vertical-align: middle; }
.tbk-table tbody tr:last-child { border-bottom: none; }

[data-theme="dark"] .tbk-table thead th { background: #1d2d44; }

/* ===== FORMS ===== */
.tbk-form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    display: block;
}

.tbk-input, .tbk-select, .tbk-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: 'Kanit', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}
.tbk-input:focus, .tbk-select:focus, .tbk-textarea:focus {
    border-color: var(--border-focus);
    background: var(--bg-card);
    box-shadow: 0 0 0 3px rgba(56,139,253,0.15);
}
.tbk-textarea { resize: vertical; min-height: 90px; }

/* ===== BUTTONS ===== */
.tbk-btn {
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    font-family: 'Kanit', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    white-space: nowrap;
}
.tbk-btn:hover { transform: translateY(-1px); }
.tbk-btn:active { transform: translateY(0); }

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

.tbk-btn-success  { background: var(--success); color: #fff; }
.tbk-btn-success:hover  { background: #059669; color: #fff; }

.tbk-btn-danger   { background: var(--danger); color: #fff; }
.tbk-btn-danger:hover   { background: #dc2626; color: #fff; }

.tbk-btn-ghost {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text-secondary);
}
.tbk-btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-light); }

.tbk-btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.tbk-btn-lg { padding: 13px 28px; font-size: 1rem; }
.tbk-btn-block { width: 100%; justify-content: center; }

/* ===== BADGES ===== */
.tbk-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}
.tbk-badge-primary { background: var(--accent-light); color: var(--accent-text); }
.tbk-badge-success { background: var(--success-light); color: var(--success); }
.tbk-badge-warning { background: var(--warning-light); color: var(--warning); }
.tbk-badge-danger  { background: var(--danger-light);  color: var(--danger);  }
.tbk-badge-info    { background: var(--info-light);    color: var(--info);    }

/* ===== PAGE HEADER ===== */
.tbk-page-header {
    background: linear-gradient(135deg, var(--accent) 0%, #1a3fbf 100%);
    color: #fff;
    padding: 28px 32px;
    border-radius: 0 0 24px 24px;
    margin-bottom: 28px;
    box-shadow: 0 4px 20px rgba(0,74,173,0.25);
}
[data-theme="dark"] .tbk-page-header {
    background: linear-gradient(135deg, #1d2d44 0%, #0d1117 100%);
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

/* ===== STAT CARDS ===== */
.tbk-stat {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 20px;
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
}
.tbk-stat:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.tbk-stat-num { font-size: 2.2rem; font-weight: 700; line-height: 1; }
.tbk-stat-label { font-size: 0.8rem; color: var(--text-secondary); margin-top: 4px; }

/* ===== FILTER BAR ===== */
.tbk-filter-bar {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 18px 24px;
    border: 1px solid var(--border);
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

/* ===== PAGE WRAPPER ===== */
.tbk-page { padding: 24px 28px; max-width: 1400px; margin: 0 auto; }
.tbk-page-sm { padding: 24px 28px; max-width: 760px; margin: 0 auto; }

/* ===== DIVIDER ===== */
.tbk-divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== TOAST NOTIFICATION ===== */
.tbk-toast {
    position: fixed; bottom: 24px; right: 24px;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-family: 'Kanit', sans-serif;
    font-size: 0.9rem;
    z-index: 9999;
    display: none;
    box-shadow: var(--shadow-lg);
    max-width: 320px;
}

/* ===== MODAL ===== */
.modal-content {
    background: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius-lg) !important;
}
.modal-header { border-bottom: 1px solid var(--border) !important; }
.modal-footer { border-top: 1px solid var(--border) !important; }

/* Bootstrap overrides for dark mode */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background: var(--bg-input);
    border-color: var(--border);
    color: var(--text-primary);
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background: var(--bg-card);
    border-color: var(--border-focus);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(56,139,253,0.15);
}
[data-theme="dark"] .table { color: var(--text-primary); }
[data-theme="dark"] .table-hover tbody tr:hover td { background: var(--bg-card-hover); }
[data-theme="dark"] .dropdown-menu {
    background: var(--bg-card);
    border-color: var(--border);
}
[data-theme="dark"] .dropdown-item { color: var(--text-primary); }
[data-theme="dark"] .dropdown-item:hover { background: var(--bg-card-hover); }
[data-theme="dark"] .card {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text-primary);
}
[data-theme="dark"] .text-muted { color: var(--text-muted) !important; }
[data-theme="dark"] .border { border-color: var(--border) !important; }
[data-theme="dark"] .bg-white { background: var(--bg-card) !important; }
[data-theme="dark"] .bg-light { background: var(--bg-input) !important; }
[data-theme="dark"] .input-group-text {
    background: var(--bg-input);
    border-color: var(--border);
    color: var(--text-primary);
}
[data-theme="dark"] .alert-danger {
    background: var(--danger-light);
    border-color: var(--danger);
    color: var(--danger);
}

/* ===== TICKET CARD ===== */
.ticket-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px;
    height: 100%;
    border-left: 4px solid var(--accent);
    transition: var(--transition);
}
.ticket-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.ticket-card .tc-label { font-size: 0.75rem; color: var(--text-muted); }
.ticket-card .tc-value { font-size: 0.9rem; color: var(--text-primary); font-weight: 500; }

/* ===== PRIORITY COLORS ===== */
.priority-high  { color: var(--danger);  }
.priority-med   { color: var(--warning); }
.priority-low   { color: var(--success); }
.border-high  { border-left-color: var(--danger)  !important; }
.border-med   { border-left-color: var(--warning) !important; }
.border-low   { border-left-color: var(--success) !important; }

/* ===== CALENDAR DARK MODE ===== */
[data-theme="dark"] .fc-theme-standard td,
[data-theme="dark"] .fc-theme-standard th { border-color: var(--border) !important; }
[data-theme="dark"] .fc-daygrid-day { background: var(--bg-card); }
[data-theme="dark"] .fc-daygrid-day-number { color: var(--text-primary); }
[data-theme="dark"] .fc-toolbar-title { color: var(--text-primary); }
[data-theme="dark"] .fc-button { background: var(--accent); border-color: var(--accent); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .tbk-nav-links { display: none; }
    .tbk-page { padding: 16px; }
    .tbk-page-sm { padding: 16px; }
}