:root {
    --bg-dark: #0f172a;        /* Slate 900 */
    --bg-surface: #1e293b;     /* Slate 800 */
    --bg-surface-hover: #334155; /* Slate 700 */
    --text-primary: #f8fafc;   /* Slate 50 */
    --text-secondary: #94a3b8; /* Slate 400 */
    --accent-teal: #0d9488;    /* Teal 600 */
    --accent-teal-hover: #0f766e; /* Teal 700 */
    --accent-slate: #64748b;   /* Slate 500 */
    
    --success: #10b981;        /* Emerald 500 */
    --warning: #f59e0b;        /* Amber 500 */
    --danger: #ef4444;         /* Red 500 */
    
    --border-color: #334155;   /* Slate 700 */
    --shadow-subtle: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --border-radius-main: 16px;
    --border-radius-sm: 8px;
    --transition: all 0.2s ease-in-out;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Layout */
.dashboard-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px;
    position: fixed;
    height: 100vh;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.logo i {
    font-size: 32px;
    color: var(--accent-teal);
}

.logo h2 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.nav-item i {
    font-size: 20px;
}

.nav-item:hover, .nav-item.active {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.nav-item.active {
    border-left: 4px solid var(--accent-teal);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.user-profile img {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent-teal);
}

.user-role {
    font-size: 12px;
    color: var(--text-secondary);
}

.user-name {
    font-size: 14px;
    font-weight: 600;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    padding: 0 32px 32px 32px;
}

/* Topbar */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    margin-bottom: 24px;
    gap: 20px;
}

.topbar-left {
    flex: 1;
}

.search-bar {
    background-color: var(--bg-surface);
    display: flex;
    align-items: center;
    padding: 10px 16px;
    border-radius: 24px;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color);
}

.search-bar i {
    color: var(--text-secondary);
    margin-right: 12px;
    font-size: 18px;
}

.search-bar input {
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    width: 100%;
    font-size: 14px;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* Buttons */
.btn-primary {
    background-color: var(--accent-teal);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    background-color: var(--accent-teal-hover);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-outline:hover {
    background-color: var(--bg-surface-hover);
}

.icon-btn {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    font-size: 20px;
}

.icon-btn:hover {
    background-color: var(--bg-surface-hover);
}

.badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background-color: var(--danger);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--bg-dark);
}

/* Grid Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto auto;
    gap: 24px;
    flex: 1;
}

/* Widgets Base */
.widget {
    background-color: var(--bg-surface);
    border-radius: var(--border-radius-main);
    padding: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-subtle);
    display: flex;
    flex-direction: column;
}

.widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.widget-header h3 {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.widget-header h3 i {
    color: var(--accent-teal);
    font-size: 20px;
}

/* Widget 1: Calendar */
.calendar-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
    padding-right: 8px;
}

.time-block {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.time {
    color: var(--text-secondary);
    font-size: 13px;
    min-width: 65px;
    font-weight: 500;
    margin-top: 4px;
}

.appointment {
    flex: 1;
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    border-left: 4px solid;
    background-color: rgba(255, 255, 255, 0.03);
}

.appointment.apt-teal {
    border-left-color: var(--accent-teal);
}

.appointment.apt-slate {
    border-left-color: var(--accent-slate);
}

.appointment.apt-alert {
    border-left-color: var(--warning);
}

.appointment h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.appointment p {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Widget 2: Checklist */
.checklist-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.bike-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-dark);
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
}

.bike-info h4 {
    font-size: 15px;
}

.bike-info p {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: monospace;
}

.checklist-items {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.check-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.check-item label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    user-select: none;
}

.check-item input {
    accent-color: var(--accent-teal);
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.status-text {
    font-size: 12px;
    font-weight: 600;
}

.text-green { color: var(--success); }
.text-amber { color: var(--warning); }
.text-red { color: var(--danger); }

/* Widget 3: Diagnostics */
.widget-diagnostics {
    grid-column: 1 / 2;
}

.dropdown-select {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 6px;
    outline: none;
    font-size: 13px;
    cursor: pointer;
}

.chart-container {
    position: relative;
    height: 100%;
    min-height: 250px;
    width: 100%;
}

/* Widget 4: Invoicing */
.widget-invoicing {
    grid-column: 2 / 3;
}

.invoice-preview {
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 24px;
    height: 100%;
}

.invoice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.invoice-id {
    font-size: 16px;
    font-weight: 700;
}

.invoice-date {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.status-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.paid {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-badge.progress {
    background-color: rgba(13, 148, 136, 0.1);
    color: var(--accent-teal);
    border: 1px solid rgba(13, 148, 136, 0.2);
}

.invoice-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    padding: 12px 0;
    color: var(--text-secondary);
}

.invoice-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 12px 0;
}

.invoice-total {
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    font-weight: 700;
    padding-top: 8px;
    color: var(--text-primary);
}

/* Calendar Agenda Strip */
.calendar-days-strip {
    display: flex;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.day-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 60px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.day-box:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.day-box.active {
    background-color: var(--accent-teal);
    color: white;
    box-shadow: 0 4px 10px rgba(13, 148, 136, 0.4);
}

.day-name {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.day-number {
    font-size: 18px;
    font-weight: 700;
}

/* Responsive */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .widget-diagnostics, .widget-invoicing {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none; /* Add hamburger menu later */
    }
    .main-content {
        margin-left: 0;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-surface);
    padding: 32px;
    border-radius: var(--border-radius-main);
    width: 500px;
    max-width: 90vw;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.close-modal {
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
}

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

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 10px 16px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    outline: none;
}

.form-group input:focus {
    border-color: var(--accent-teal);
}

.w-100 {
    width: 100%;
    justify-content: center;
    margin-top: 16px;
}

/* Notifications Dropdown */
.notifications-dropdown {
    position: absolute;
    top: 50px;
    right: 0;
    width: 300px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-main);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    display: none;
    z-index: 100;
    flex-direction: column;
}

.notifications-dropdown.active {
    display: flex;
}

.notifications-dropdown h4 {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.notif-list {
    display: flex;
    flex-direction: column;
    max-height: 300px;
    overflow-y: auto;
}

.notif-item {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

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

.notif-item:hover {
    background-color: var(--bg-surface-hover);
}

.notif-item i {
    font-size: 18px;
}

.text-teal { color: var(--accent-teal); }

/* Intake form grid */
.intake-checklist-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 8px;
}

.check-item-mini {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    cursor: pointer;
    color: var(--text-secondary);
}

.check-item-mini input {
    width: 14px;
    height: 14px;
    accent-color: var(--accent-teal);
    cursor: pointer;
}

/* --- KPI Card Hover Effects --- */
.kpi-card {
    transition: all 0.3s ease;
}
.kpi-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-teal) !important;
}

/* --- Widget Transitions --- */
.widget {
    animation: widgetFadeIn 0.3s ease-out;
}

@keyframes widgetFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Hamburger Menu Button --- */
.hamburger-btn {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1001;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: 10px;
    font-size: 22px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.hamburger-btn:hover {
    background: var(--accent-teal);
}

/* --- Sidebar Overlay (Mobile) --- */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    backdrop-filter: blur(4px);
}
.sidebar-overlay.active {
    display: block;
}

/* --- Responsive Breakpoints --- */
@media (max-width: 1200px) {
    .kpi-bar {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px;
    }
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr !important;
    }
    .main-content {
        padding: 0 16px 16px 16px;
    }
}

@media (max-width: 768px) {
    .hamburger-btn {
        display: flex;
    }
    
    .sidebar {
        position: fixed;
        left: -280px;
        z-index: 2000;
        transition: left 0.3s ease;
        box-shadow: 10px 0 30px rgba(0,0,0,0.5);
    }
    .sidebar.active {
        left: 0;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: 16px !important;
        padding-top: 80px !important;
    }
    
    .topbar {
        flex-direction: column;
        height: auto;
        gap: 16px;
        align-items: flex-start;
        padding: 20px 0;
        padding-left: 60px; /* Safe space for hamburger */
    }
    
    .search-bar {
        width: 100%;
    }

    .kpi-bar {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }

    .modal-content {
        width: 95vw !important;
        padding: 20px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 10px;
    }
}

/* Fix for overlapping settings inputs */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

@media (max-width: 600px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

/* Plan Badge Style (PRO) */
.plan-badge {
    background: linear-gradient(135deg, var(--accent-teal), #0891b2);
    color: white;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    margin-left: 8px;
    vertical-align: middle;
}

/* Notifications Dropdown */
.notifications-dropdown {
    display: none;
    position: absolute;
    top: 50px;
    right: 0;
    width: 320px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    z-index: 500;
    padding: 16px;
}
.notifications-dropdown.active {
    display: block;
    animation: fadeIn 0.2s ease-out;
}
.notifications-dropdown h4 {
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}
.notif-list {
    max-height: 300px;
    overflow-y: auto;
}
.notif-item {
    padding: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 12px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    transition: background 0.2s;
    border-radius: 6px;
    cursor: pointer;
}
.notif-item:hover {
    background: rgba(255,255,255,0.05);
}
.notif-item i {
    font-size: 16px;
    margin-top: 2px;
}
.notif-item span {
    line-height: 1.4;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.timeline-step.completed .dot {
    background: var(--accent-teal) !important;
}
.timeline-step.completed span {
    color: var(--accent-teal) !important;
}

/* WhatsApp Notification Animation */
@keyframes slideUp {
    from { transform: translateY(100px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.badge.pulse {
    animation: p-pulse 2s infinite;
}
@keyframes p-pulse {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
    70% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}