/* =====================================================
   SupportWatch — Design System
   Dashboard Premium com tema escuro
   ===================================================== */

/* ---------- Google Font ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ---------- CSS Variables ---------- */
:root {
    /* Colors - Dark Premium Palette */
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #1e2130;
    --bg-card-hover: #252839;
    --bg-input: #252839;
    --bg-sidebar: #141620;

    --text-primary: #e8eaed;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --accent-primary: #6366f1;
    --accent-primary-hover: #818cf8;
    --accent-primary-glow: rgba(99, 102, 241, 0.3);

    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.12);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.12);

    --border-color: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.1);

    /* Sizing */
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px var(--accent-primary-glow);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html { font-size: 14px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

a { color: var(--accent-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-primary-hover); }

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

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: calc(var(--header-height) + 24px) 28px 28px;
    transition: margin-left 0.3s ease;
}

/* ---------- Sidebar ---------- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand .brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-primary), #a855f7);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    flex-shrink: 0;
}

.sidebar-brand h1 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.sidebar-brand .brand-subtitle {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-menu {
    padding: 16px 12px;
    flex: 1;
}

.sidebar-section-title {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    padding: 12px 12px 6px;
    font-weight: 600;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.92rem;
    transition: all 0.2s ease;
    position: relative;
    margin-bottom: 2px;
}

.sidebar-link:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

.sidebar-link.active {
    background: var(--accent-primary-glow);
    color: var(--accent-primary-hover);
}

.sidebar-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--accent-primary);
    border-radius: 0 3px 3px 0;
}

.sidebar-link i { font-size: 1.15rem; width: 22px; text-align: center; }

.sidebar-link .badge-alert {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 0.68rem;
    padding: 2px 7px;
    border-radius: 10px;
    font-weight: 700;
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ---------- Header / Top Bar ---------- */
.top-bar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--header-height);
    background: rgba(15, 17, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    z-index: 900;
    transition: left 0.3s ease;
}

.top-bar-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-bar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.2s;
}

.top-bar-user:hover { background: var(--bg-card-hover); }

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    color: white;
}

/* ---------- Cards KPI ---------- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-light);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.kpi-card.primary::before { background: linear-gradient(90deg, var(--accent-primary), #a855f7); }
.kpi-card.success::before { background: linear-gradient(90deg, var(--success), #4ade80); }
.kpi-card.warning::before { background: linear-gradient(90deg, var(--warning), #fbbf24); }
.kpi-card.danger::before { background: linear-gradient(90deg, var(--danger), #f87171); }

.kpi-card .kpi-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 14px;
}

.kpi-card.primary .kpi-icon { background: var(--accent-primary-glow); color: var(--accent-primary-hover); }
.kpi-card.success .kpi-icon { background: var(--success-bg); color: var(--success); }
.kpi-card.warning .kpi-icon { background: var(--warning-bg); color: var(--warning); }
.kpi-card.danger .kpi-icon { background: var(--danger-bg); color: var(--danger); }

.kpi-card .kpi-value {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1;
    margin-bottom: 6px;
}

.kpi-card .kpi-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ---------- Chart Containers ---------- */
.chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.chart-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.chart-card-title {
    font-size: 1rem;
    font-weight: 600;
}

/* ---------- Tables ---------- */
.data-table-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.data-table-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.data-table-title {
    font-size: 1rem;
    font-weight: 600;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0,0,0,0.15);
}

.data-table td {
    padding: 12px 16px;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background 0.15s;
}

.data-table tbody tr:hover {
    background: rgba(255,255,255,0.02);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* ---------- Status Badges ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    gap: 5px;
}

.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

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

.badge-atendimento { background: var(--info-bg); color: var(--info); }
.badge-atendimento::before { background: var(--info); }

.badge-aguardando-cli { background: rgba(168, 85, 247, 0.12); color: #a855f7; }
.badge-aguardando-cli::before { background: #a855f7; }

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

.badge-sla-estourado { background: var(--danger-bg); color: var(--danger); animation: pulse-badge 2s ease-in-out infinite; }
.badge-sla-estourado::before { background: var(--danger); }

/* ---------- Buttons ---------- */
.btn-sw {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-primary { background: var(--accent-primary); color: white; }
.btn-primary:hover { background: var(--accent-primary-hover); box-shadow: var(--shadow-glow); }

.btn-secondary { background: var(--bg-input); color: var(--text-secondary); border: 1px solid var(--border-light); }
.btn-secondary:hover { background: var(--bg-card-hover); color: var(--text-primary); }

.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }

.btn-sm { padding: 6px 12px; font-size: 0.78rem; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 18px; }

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.2s;
    outline: none;
}

.form-control:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

.form-control::placeholder { color: var(--text-muted); }

select.form-control { cursor: pointer; }

textarea.form-control { resize: vertical; min-height: 100px; }

/* ---------- Chat Timeline ---------- */
.chat-timeline {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    max-height: 500px;
    overflow-y: auto;
}

.chat-msg {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    line-height: 1.5;
    position: relative;
}

.chat-msg.cliente {
    align-self: flex-start;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
}

.chat-msg.atendente {
    align-self: flex-end;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.chat-msg-sender {
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.chat-msg.cliente .chat-msg-sender { color: var(--warning); }
.chat-msg.atendente .chat-msg-sender { color: var(--accent-primary-hover); }

.chat-msg-time {
    font-size: 0.68rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-align: right;
}

/* ---------- Login Page ---------- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f1117 0%, #1a1d27 50%, #141620 100%);
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.login-card .brand-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-card .brand-logo .icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-primary), #a855f7);
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin-bottom: 12px;
}

.login-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 6px;
}

.login-card .subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-bottom: 30px;
}

.login-btn {
    width: 100%;
    padding: 12px;
    font-size: 0.95rem;
}

.login-error {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: 16px;
    display: none;
}

/* ---------- Filters Bar ---------- */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    align-items: flex-end;
}

.filters-bar .form-group { margin-bottom: 0; flex: 1; min-width: 150px; }

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 16px;
}

.pagination .page-btn {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.82rem;
    transition: all 0.2s;
}

.pagination .page-btn.active,
.pagination .page-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* ---------- Toast Notification ---------- */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: toast-in 0.3s ease, toast-out 0.3s ease 4.7s;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 280px;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); color: #1a1d27; }

@keyframes toast-in { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes toast-out { from { opacity: 1; } to { opacity: 0; transform: translateX(100%); } }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .top-bar { left: 0; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .chart-grid { grid-template-columns: 1fr; }
    .filters-bar { flex-direction: column; }
    .data-table { font-size: 0.8rem; }
}

@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .main-content { padding: calc(var(--header-height) + 16px) 16px 16px; }
}

/* ---------- Loading Spinner ---------- */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Empty State ---------- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i { font-size: 3rem; margin-bottom: 16px; opacity: 0.3; }
.empty-state p { font-size: 0.95rem; }

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

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

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: transform 0.3s;
}

.modal-overlay.active .modal-card { transform: translateY(0); }

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 { font-size: 1.1rem; font-weight: 600; }

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-input);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.modal-close:hover { background: var(--danger-bg); color: var(--danger); }

.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: 10px; }