/* ==========================================================================
   FerhatExcel 2026 Dashboard - Master Stylesheet
   Modern, responsive, hosting-friendly SaaS UI with Dark & Light theme
   ========================================================================== */

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --primary-dark: #3730a3;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #06b6d4;
    --info-light: #cffafe;
    
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-sidebar: #0f172a;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --table-stripe: #f8fafc;
    --table-hover: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

.dark {
    --bg-main: #0b0f19;
    --bg-card: #131b2e;
    --bg-sidebar: #090d16;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #1e293b;
    --table-stripe: #101726;
    --table-hover: #1c263c;
    --primary-light: rgba(79, 70, 229, 0.15);
    --success-light: rgba(16, 185, 129, 0.15);
    --warning-light: rgba(245, 158, 11, 0.15);
    --danger-light: rgba(239, 68, 68, 0.15);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.25s ease, color 0.25s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 9999px;
}
.dark ::-webkit-scrollbar-thumb {
    background: #334155;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Glassmorphism & Card styling */
.glass-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.glass-card:hover {
    box-shadow: var(--shadow-md);
}

.kpi-card {
    position: relative;
    overflow: hidden;
    padding: 1.25rem;
    border-radius: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--info));
    opacity: 0.9;
}
.kpi-card.kpi-success::before {
    background: linear-gradient(90deg, #10b981, #34d399);
}
.kpi-card.kpi-warning::before {
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
}
.kpi-card.kpi-purple::before {
    background: linear-gradient(90deg, #8b5cf6, #a855f7);
}
.kpi-card.kpi-blue::before {
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
}

/* Table grid styles */
.data-table-container {
    width: 100%;
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    text-align: left;
    white-space: nowrap;
}
.data-table thead th {
    background-color: var(--table-stripe);
    color: var(--text-muted);
    font-weight: 600;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}
.data-table tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    transition: background-color 0.15s ease;
}
.data-table tbody tr:hover td {
    background-color: var(--table-hover);
}
.data-table tfoot td {
    background-color: var(--table-stripe);
    font-weight: 700;
    padding: 0.85rem 1rem;
    border-top: 2px solid var(--border-color);
    color: var(--text-main);
}

/* Inline editable cells */
.editable-cell {
    position: relative;
    cursor: pointer;
    border-radius: 4px;
    padding: 2px 6px;
    transition: background-color 0.15s;
    border: 1px solid transparent;
}
.editable-cell:hover {
    background-color: rgba(79, 70, 229, 0.1);
    border: 1px dashed var(--primary);
}
.editable-input {
    width: 100%;
    min-width: 80px;
    padding: 3px 6px;
    font-size: 0.875rem;
    border: 1px solid var(--primary);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-main);
    outline: none;
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.25);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.25rem 0.65rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-success {
    background-color: var(--success-light);
    color: #047857;
}
.badge-warning {
    background-color: var(--warning-light);
    color: #b45309;
}
.badge-primary {
    background-color: var(--primary-light);
    color: var(--primary);
}
.badge-secondary {
    background-color: var(--border-color);
    color: var(--text-muted);
}
.dark .badge-success {
    color: #34d399;
}
.dark .badge-warning {
    color: #fbbf24;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
    animation: fadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Modal backdrop */
.modal-backdrop {
    background-color: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(4px);
    transition: opacity 0.2s ease-in-out;
}

/* Sidebar active link */
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.875rem;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.15s ease;
    cursor: pointer;
}
.sidebar-link:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.08);
}
.sidebar-link.active {
    color: #ffffff;
    background-color: var(--primary);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

/* Currency formatting badge */
.money-cell {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-weight: 600;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    background: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    font-size: 0.875rem;
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Print layout */
@media print {
    #sidebar, #top-navbar, .no-print, #toast-container, .modal-backdrop, .btn-action {
        display: none !important;
    }
    main {
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
    }
    .data-table-container {
        border: 1px solid #000 !important;
        overflow: visible !important;
    }
}