/* =============================================
   TicketDesk — Stylesheet
   ============================================= */

:root {
    --bg-body: #f4f5f7;
    --bg-sidebar: #1a1d23;
    --bg-card: #ffffff;
    --bg-input: #f7f8fa;
    --text-primary: #1a1d23;
    --text-secondary: #6b7280;
    --text-sidebar: #a1a8b8;
    --text-sidebar-active: #ffffff;
    --accent: #4f6ef7;
    --accent-hover: #3b5de7;
    --accent-light: #eef1fd;
    --border: #e5e7eb;
    --success: #10b981;
    --success-bg: #ecfdf5;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --info: #3b82f6;
    --info-bg: #eff6ff;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
    --font: 'DM Sans', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --sidebar-width: 240px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body { font-family: var(--font); color: var(--text-primary); background: var(--bg-body); line-height: 1.6; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Layout ---- */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-sidebar);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
}
.sidebar-header { padding: 1.4rem 1.2rem; border-bottom: 1px solid rgba(255,255,255,0.06); }
.logo { display: flex; align-items: center; gap: 0.6rem; }
.logo-icon { font-size: 1.4rem; color: var(--accent); }
.logo-text { font-size: 1.15rem; font-weight: 700; color: #fff; letter-spacing: -0.3px; }

.sidebar-nav { flex: 1; padding: 0.8rem 0; }
.nav-item {
    display: flex; align-items: center; gap: 0.65rem;
    padding: 0.6rem 1.2rem; color: var(--text-sidebar);
    font-size: 0.9rem; font-weight: 500;
    transition: all 0.15s;
    text-decoration: none;
    border-left: 3px solid transparent;
}
.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: #fff;
    text-decoration: none;
}
.nav-item.active {
    background: rgba(79,110,247,0.12);
    color: var(--accent);
    border-left-color: var(--accent);
}
.nav-icon { font-size: 1.05rem; width: 1.3rem; text-align: center; }

.sidebar-footer {
    padding: 1rem 1.2rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    display: flex; align-items: center; justify-content: space-between;
}
.user-badge { display: flex; align-items: center; gap: 0.6rem; }
.user-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--accent); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.8rem;
}
.user-info { display: flex; flex-direction: column; }
.user-name { color: #fff; font-size: 0.8rem; font-weight: 600; }
.user-role { font-size: 0.7rem; color: var(--text-sidebar); text-transform: uppercase; letter-spacing: 0.5px; }
.btn-logout {
    color: var(--text-sidebar); font-size: 1.2rem;
    text-decoration: none; opacity: 0.6;
    transition: opacity 0.15s;
}
.btn-logout:hover { opacity: 1; color: var(--danger); text-decoration: none; }

/* ---- Main Content ---- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem 2.5rem;
    max-width: 1200px;
}

/* ---- Page Header ---- */
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1.8rem;
}
.page-header h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.4px; }
.page-header .subtitle { color: var(--text-secondary); font-size: 0.85rem; margin-top: 0.15rem; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    font-size: 0.85rem; font-weight: 600; font-family: var(--font);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s;
    background: var(--bg-card); color: var(--text-primary);
    text-decoration: none;
}
.btn:hover { background: var(--bg-input); text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { opacity: 0.9; }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.78rem; }
.btn-group { display: flex; gap: 0.5rem; }

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.card-body { padding: 1.3rem 1.5rem; }
.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    font-weight: 600; font-size: 0.95rem;
    display: flex; align-items: center; justify-content: space-between;
}

/* ---- Stats Grid ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.2rem 1.4rem;
    box-shadow: var(--shadow-sm);
}
.stat-label { font-size: 0.78rem; color: var(--text-secondary); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-value { font-size: 1.8rem; font-weight: 700; margin-top: 0.3rem; letter-spacing: -0.5px; }
.stat-card.accent { border-left: 3px solid var(--accent); }
.stat-card.success { border-left: 3px solid var(--success); }
.stat-card.warning { border-left: 3px solid var(--warning); }
.stat-card.danger { border-left: 3px solid var(--danger); }

/* ---- Tables ---- */
.table-wrapper { overflow-x: auto; }
table {
    width: 100%; border-collapse: collapse;
    font-size: 0.87rem;
}
thead th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-weight: 600; font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
tbody tr:hover { background: var(--bg-input); }
tbody tr:last-child td { border-bottom: none; }

/* ---- Badges / Status ---- */
.badge {
    display: inline-flex; align-items: center;
    padding: 0.2rem 0.6rem;
    font-size: 0.72rem; font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase; letter-spacing: 0.3px;
}
.badge-open      { background: var(--info-bg); color: var(--info); }
.badge-in_progress,.badge-in-progress { background: var(--warning-bg); color: var(--warning); }
.badge-resolved  { background: var(--success-bg); color: var(--success); }
.badge-closed    { background: #f3f4f6; color: #6b7280; }
.badge-pending   { background: var(--info-bg); color: var(--info); }
.badge-completed { background: var(--success-bg); color: var(--success); }

.badge-low       { background: #f0fdf4; color: #16a34a; }
.badge-medium    { background: var(--warning-bg); color: var(--warning); }
.badge-high      { background: #fff7ed; color: #ea580c; }
.badge-critical  { background: var(--danger-bg); color: var(--danger); }

.badge-admin     { background: #faf5ff; color: #7c3aed; }
.badge-user      { background: #f0f9ff; color: #0284c7; }

/* ---- Forms ---- */
.form-group { margin-bottom: 1.1rem; }
.form-group label {
    display: block;
    font-size: 0.82rem; font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
}
.form-control {
    width: 100%; padding: 0.55rem 0.8rem;
    font-size: 0.88rem; font-family: var(--font);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-input);
    color: var(--text-primary);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79,110,247,0.12);
}
textarea.form-control { min-height: 100px; resize: vertical; }
select.form-control { cursor: pointer; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* ---- Alerts ---- */
.alert {
    padding: 0.8rem 1.2rem;
    border-radius: var(--radius);
    margin-bottom: 1.2rem;
    font-size: 0.87rem;
    display: flex; align-items: center; justify-content: space-between;
}
.alert-success { background: var(--success-bg); color: #065f46; border: 1px solid #a7f3d0; }
.alert-error   { background: var(--danger-bg); color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: var(--warning-bg); color: #92400e; border: 1px solid #fde68a; }
.alert-close   { background: none; border: none; font-size: 1.2rem; cursor: pointer; color: inherit; opacity: 0.6; }
.alert-close:hover { opacity: 1; }

/* ---- Modal ---- */
.modal-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 1000;
    align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 100%; max-width: 540px;
    box-shadow: var(--shadow-lg);
    max-height: 90vh; overflow-y: auto;
}
.modal-header {
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    font-weight: 700; font-size: 1.05rem;
}
.modal-header .close-btn {
    background: none; border: none; font-size: 1.4rem;
    cursor: pointer; color: var(--text-secondary);
}
.modal-body { padding: 1.5rem; }
.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    display: flex; justify-content: flex-end; gap: 0.5rem;
}

/* ---- Login Page ---- */
.login-container {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #1a1d23 0%, #2d3142 100%);
}
.login-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 100%; max-width: 400px;
    box-shadow: var(--shadow-lg);
}
.login-card .logo {
    justify-content: center;
    margin-bottom: 1.8rem;
    font-size: 1.3rem;
}
.login-card .logo .logo-icon { font-size: 1.8rem; }
.login-card .logo .logo-text { font-size: 1.4rem; color: var(--text-primary); }

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 0.8rem; }
.empty-state p { font-size: 0.9rem; }

/* ---- Filters Bar ---- */
.filters-bar {
    display: flex; gap: 0.8rem; align-items: center;
    margin-bottom: 1.2rem; flex-wrap: wrap;
}
.filters-bar .form-control {
    width: auto; min-width: 150px; padding: 0.45rem 0.7rem; font-size: 0.83rem;
}
.filters-bar .search-input { min-width: 220px; }

/* ---- Ticket Detail ---- */
.ticket-meta {
    display: flex; gap: 1.5rem; flex-wrap: wrap;
    margin-bottom: 1.5rem;
}
.meta-item { }
.meta-label { font-size: 0.75rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.meta-value { font-size: 0.9rem; margin-top: 0.2rem; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; padding: 1.2rem; }
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 0.8rem; }
}