/* Style sheet for Sales Sync Web Application */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Color Palette - Dark Theme (Default) */
    --bg-app: #09090b;
    --bg-sidebar: #121215;
    --bg-card: #18181b;
    --bg-card-hover: #202024;
    --border-color: #27272a;
    --border-focus: #4f46e5;
    
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-primary-glow: rgba(99, 102, 241, 0.15);
    
    --color-success: #10b981;
    --color-success-bg: rgba(16, 185, 129, 0.1);
    --color-warning: #f59e0b;
    --color-warning-bg: rgba(245, 158, 11, 0.1);
    --color-error: #ef4444;
    --color-error-bg: rgba(239, 68, 68, 0.1);
    --color-info: #06b6d4;
    --color-info-bg: rgba(6, 182, 212, 0.1);

    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.25);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.light-theme {
    /* Color Palette - Light Theme */
    --bg-app: #f8fafc;
    --bg-sidebar: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --border-color: #e2e8f0;
    --border-focus: #4f46e5;
    
    --color-primary: #4f46e5;
    --color-primary-hover: #3730a3;
    --color-primary-glow: rgba(79, 70, 229, 0.08);
    
    --color-success: #059669;
    --color-success-bg: rgba(5, 150, 105, 0.1);
    --color-warning: #d97706;
    --color-warning-bg: rgba(217, 119, 6, 0.1);
    --color-error: #dc2626;
    --color-error-bg: rgba(220, 38, 38, 0.1);
    --color-info: #0891b2;
    --color-info-bg: rgba(8, 145, 178, 0.1);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.15);
}

/* Reset & Global styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    outline: none;
}

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    color: var(--text-primary);
}

/* App Container Layout */
.app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px;
    height: 100%;
    z-index: 10;
    transition: transform var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal);
}

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

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), #ec4899);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: var(--shadow-glow);
}

.logo-text {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-item {
    width: 100%;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-card-hover);
}

.nav-link.active {
    color: white;
    background-color: var(--color-primary);
    box-shadow: 0 4px 12px var(--color-primary-glow);
}

.nav-link i {
    font-size: 18px;
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.theme-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.theme-toggle-btn:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--text-muted);
}

.theme-toggle-icons {
    display: flex;
    gap: 8px;
    background-color: var(--bg-app);
    padding: 4px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.theme-icon {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
}

.theme-icon.active {
    background-color: var(--color-primary);
    color: white;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
}

.status-badge.connected {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}

.status-badge.disconnected {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    height: 100%;
    overflow-y: auto;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Header styles */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.header-title-area h1 {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.header-title-area p {
    color: var(--text-secondary);
    font-size: 15px;
}

.header-actions {
    display: flex;
    gap: 12px;
}

/* Main buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 12px var(--color-primary-glow);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px var(--color-primary-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

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

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

/* View Sections (Controlled by JS tab switching) */
.view-section {
    display: none;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.view-section.active {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Dashboard Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.metric-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 12px;
}

.metric-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.metric-icon.indigo { background-color: var(--color-primary-glow); color: var(--color-primary); }
.metric-icon.emerald { background-color: var(--color-success-bg); color: var(--color-success); }
.metric-icon.amber { background-color: var(--color-warning-bg); color: var(--color-warning); }
.metric-icon.cyan { background-color: var(--color-info-bg); color: var(--color-info); }

.metric-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.5px;
}

.metric-change {
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

.metric-change.up { color: var(--color-success); }
.metric-change.down { color: var(--color-error); }
.metric-change.neutral { color: var(--text-muted); }

/* Dashboard Charts Section */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

@media (max-width: 992px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 380px;
}

.chart-title {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chart-container {
    position: relative;
    flex-grow: 1;
    width: 100%;
    height: 100%;
}

/* Sales Form Layout */
.form-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    box-shadow: var(--shadow-md);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: span 2;
}

@media (max-width: 600px) {
    .form-group.full-width {
        grid-column: span 1;
    }
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    background-color: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    width: 100%;
    transition: all var(--transition-fast);
}

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

.form-control[readonly] {
    background-color: var(--bg-card-hover);
    color: var(--text-secondary);
    cursor: not-allowed;
}

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

/* Ledger List Elements */
.ledger-header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 16px;
}

.search-filter-box {
    display: flex;
    gap: 12px;
    flex-grow: 1;
    max-width: 600px;
}

.search-input-wrapper {
    position: relative;
    flex-grow: 1;
}

.search-input-wrapper i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-input-wrapper input {
    padding-left: 40px;
}

.table-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table-responsive {
    overflow-x: auto;
    max-height: 600px;
}

table.sales-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

table.sales-table th {
    background-color: var(--bg-sidebar);
    padding: 16px 20px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

table.sales-table td {
    padding: 16px 20px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

table.sales-table tbody tr {
    transition: background-color var(--transition-fast);
}

table.sales-table tbody tr:hover {
    background-color: var(--bg-card-hover);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge.completed, .badge.paid { background-color: var(--color-success-bg); color: var(--color-success); }
.badge.pending, .badge.unpaid { background-color: var(--color-warning-bg); color: var(--color-warning); }
.badge.refunded { background-color: var(--color-error-bg); color: var(--color-error); }

.badge.synced { background-color: var(--color-success-bg); color: var(--color-success); }
.badge.pending-sync { background-color: var(--color-warning-bg); color: var(--color-warning); }

/* Setup & Instructions panel */
.setup-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 28px;
}

@media (max-width: 900px) {
    .setup-grid {
        grid-template-columns: 1fr;
    }
}

.info-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card h3 {
    font-size: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.step-item {
    display: flex;
    gap: 16px;
}

.step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--color-primary-glow);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.step-content p {
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 4px;
}

.step-content small {
    color: var(--text-secondary);
    font-size: 12px;
}

/* Code Container */
.code-container {
    position: relative;
    background-color: #0d0e11;
    border-radius: var(--radius-md);
    padding: 16px;
    border: 1px solid var(--border-color);
    margin-top: 10px;
}

.code-container pre {
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    color: #e2e8f0;
    line-height: 1.5;
    max-height: 250px;
}

.copy-btn {
    position: absolute;
    right: 12px;
    top: 12px;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 6px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9999;
}

.toast {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--color-primary);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    max-width: 450px;
    animation: toastIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transition: transform 0.3s, opacity 0.3s;
}

.toast.success { border-left-color: var(--color-success); }
.toast.warning { border-left-color: var(--color-warning); }
.toast.error { border-left-color: var(--color-error); }

.toast-message {
    flex-grow: 1;
    font-size: 14px;
    font-weight: 500;
}

.toast-close {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 14px;
}

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

/* Empty State Styling */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    gap: 16px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    color: var(--text-muted);
}

.empty-state h4 {
    font-size: 18px;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 14px;
    max-width: 400px;
}

/* Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Mobile Responsive Sidebar Toggle */
.mobile-header {
    display: none;
    background-color: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
    padding: 16px;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

@media (max-width: 768px) {
    body {
        flex-direction: column;
    }
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        box-shadow: 10px 0 30px rgba(0,0,0,0.2);
    }
    .sidebar.active {
        transform: translateX(0);
    }
    .mobile-header {
        display: flex;
    }
    .main-content {
        padding: 16px;
        gap: 20px;
    }
    .header-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .header-title-area h1 {
        font-size: 26px;
    }
    .form-container {
        padding: 20px;
    }
    .mobile-only-close {
        display: block !important;
    }
}