/* =========================================================
   Car Connect Review Bot - Premium Dark Theme
   ========================================================= */

:root {
    /* Color Palette */
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(24, 34, 56, 0.8);
    --bg-sidebar: #0d1321;
    --bg-input: rgba(15, 23, 42, 0.8);

    --accent: #10b981;
    --accent-hover: #059669;
    --accent-glow: rgba(16, 185, 129, 0.15);
    --accent-secondary: #6366f1;

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border: rgba(148, 163, 184, 0.1);
    --border-hover: rgba(148, 163, 184, 0.2);

    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Sizing */
    --sidebar-width: 260px;
    --radius: 12px;
    --radius-sm: 8px;
}

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

/* ---- Icon Styles ---- */
.icon {
    width: 1.2rem;
    height: 1.2rem;
    vertical-align: middle;
    stroke-width: 2px;
    display: inline-block;
    flex-shrink: 0;
}

.icon-inline {
    margin-right: 0.5rem;
    position: relative;
    top: -1px;
}

.icon-lg {
    width: 1.75rem;
    height: 1.75rem;
    color: var(--accent);
}

.whatsapp-icon .icon-lg {
    color: var(--success);
}
.sent-icon .icon-lg {
    color: var(--info);
}
.pending-icon .icon-lg {
    color: var(--warning);
}
.clock-icon .icon-lg {
    color: var(--accent-secondary);
}

.icon-empty {
    width: 2.5rem;
    height: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
    opacity: 0.5;
}

.logo-icon-wrap {
    width: 2.2rem;
    height: 2.2rem;
    background: var(--accent-glow);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.logo-svg {
    width: 1.4rem;
    height: 1.4rem;
}

.btn-icon {
    width: 1.1rem;
    height: 1.1rem;
}

html {
    font-size: 15px;
}

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

/* ---- Sidebar ---- */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    backdrop-filter: blur(20px);
}

.sidebar-header {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 1.8rem;
    filter: grayscale(0);
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent), #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
}

.nav-item:hover {
    background: var(--accent-glow);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-glow);
    color: var(--accent);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--accent);
    border-radius: 0 4px 4px 0;
}

.nav-icon {
    font-size: 1.1rem;
    width: 1.4rem;
    text-align: center;
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot.online {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    animation: pulse-glow 2s ease-in-out infinite;
}

.status-dot.offline {
    background: var(--error);
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 4px var(--success); }
    50% { box-shadow: 0 0 12px var(--success); }
}

/* ---- Main Content ---- */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2rem 2.5rem;
    min-height: 100vh;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
        var(--bg-primary);
}

/* ---- Page Header ---- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.page-actions {
    display: flex;
    gap: 0.75rem;
}

/* ---- Cards ---- */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    backdrop-filter: blur(12px);
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.status-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
}

.card-icon {
    font-size: 1.8rem;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.whatsapp-icon { background: rgba(16, 185, 129, 0.12); }
.sent-icon { background: rgba(59, 130, 246, 0.12); }
.pending-icon { background: rgba(245, 158, 11, 0.12); }
.clock-icon { background: rgba(99, 102, 241, 0.12); }

.card-content {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    flex: 1;
}

.card-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.card-number {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.card-time {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-secondary);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* ---- Info Card ---- */
.info-card {
    margin-bottom: 1.5rem;
}

.info-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
}

.info-row:last-child { border-bottom: none; }

.info-label {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.info-value {
    font-weight: 500;
    font-size: 0.9rem;
}

/* ---- Status Badges ---- */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.status-badge.online {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.status-badge.offline {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.status-badge.warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.status-badge.pending {
    background: rgba(100, 116, 139, 0.15);
    color: var(--text-muted);
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #059669);
    color: white;
    box-shadow: 0 2px 12px rgba(16, 185, 129, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
}

.btn-small {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background: var(--accent-glow);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    font-size: 1rem;
}

.btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    width: 14px;
    height: 14px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ---- Activity List ---- */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.activity-item:last-child { border-bottom: none; }

.activity-dot,
.log-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-top: 0.35rem;
    flex-shrink: 0;
}

.dot-success { background: var(--success); }
.dot-error { background: var(--error); }
.dot-info { background: var(--info); }

.activity-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.activity-text {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.activity-time {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* ---- Table ---- */
.table-responsive {
    overflow-x: auto;
}

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

.data-table th {
    text-align: left;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
    vertical-align: middle;
}

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

.data-table tbody tr:hover {
    background: var(--accent-glow);
}

.text-strong { font-weight: 600; }
.text-muted { color: var(--text-muted); }
.text-mono { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 0.82rem; }
.text-error { color: var(--error); }

/* ---- Log List ---- */
.log-list {
    display: flex;
    flex-direction: column;
}

.log-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

.log-item:last-child { border-bottom: none; }

.log-status {
    flex-shrink: 0;
}

.log-content {
    flex: 1;
}

.log-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.3rem;
}

.log-time {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.log-detail {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
}

.log-badge {
    flex-shrink: 0;
}

.badge {
    display: inline-flex;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-initial {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-followup {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-secondary);
}

.badge-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-hint {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

/* ---- Error Card ---- */
.error-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    border-color: rgba(239, 68, 68, 0.3);
    margin-bottom: 1.5rem;
}

.error-icon {
    font-size: 1.5rem;
    color: var(--error);
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.75rem;
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.88rem;
    line-height: 1.5;
}

.empty-cell {
    padding: 0 !important;
}

/* ---- Modal ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fade-in 0.2s ease;
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 90%;
    max-width: 440px;
    animation: slide-up 0.25s ease;
}

@keyframes slide-up {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

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

.modal-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    transition: color 0.15s;
}

.modal-close:hover { color: var(--text-primary); }

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

.modal-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.5;
}

/* QR Code */
.qr-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem 0;
}

.qr-image {
    display: block;
    margin: 0 auto;
    max-width: 280px;
    border-radius: var(--radius-sm);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* ---- Toast Notifications ---- */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1.25rem;
    font-size: 0.85rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    animation: toast-in 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    max-width: 350px;
}

.toast.toast-success { border-left: 3px solid var(--success); }
.toast.toast-error { border-left: 3px solid var(--error); }
.toast.toast-info { border-left: 3px solid var(--info); }

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

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .sidebar {
        width: 70px;
        overflow: hidden;
    }

    .sidebar .logo-text,
    .sidebar .logo-sub,
    .sidebar .nav-item span:not(.nav-icon),
    .sidebar-footer span:not(.status-dot) {
        display: none;
    }

    .sidebar-header { padding: 1rem 0.75rem; }
    .sidebar-nav { padding: 1rem 0.5rem; }
    .nav-item { justify-content: center; padding: 0.75rem; }
    .nav-icon { width: auto; }

    .main-content {
        margin-left: 70px;
        padding: 1.25rem;
    }

    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}