/* ============================================
   Tally Reports - Modern Dark Theme
   ============================================ */

/* CSS Variables - Light Theme (White, Blue, Light Green, Violet) */
:root {
    /* Backgrounds */
    --bg-primary: #f4f7fa;        /* Light grayish-blue background */
    --bg-secondary: #ffffff;      /* Pure white for panels */
    --bg-card: #ffffff;           /* Pure white for cards */
    --bg-glass: rgba(255, 255, 255, 0.9);
    
    /* Text */
    --text-primary: #1e293b;      /* Dark blue-gray for main text */
    --text-secondary: #475569;    /* Medium blue-gray for secondary text */
    --text-muted: #94a3b8;        /* Light blue-gray for muted text */
    
    /* Accents (Blue, Light Green, Violet) */
    --accent-primary: #3b82f6;    /* Vibrant Blue */
    --accent-secondary: #8b5cf6;  /* Violet */
    --accent-tertiary: #10b981;   /* Light Green */
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    
    /* Status Colors */
    --success: #10b981;           /* Light Green / Emerald */
    --warning: #f59e0b;           /* Amber */
    --danger: #ef4444;            /* Red */
    --info: #0ea5e9;              /* Sky Blue */
    
    /* Structural */
    --border-color: #e2e8f0;      /* Light gray border */
    --shadow-color: rgba(0, 0, 0, 0.05); /* Soft shadow */
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: all 0.3s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.5rem;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

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

a:hover {
    color: var(--accent-secondary);
}

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.main-wrapper {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    padding: 86px 2rem 2rem; /* 70px header + 16px padding */
    margin-left: 200px;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 200px;
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 0.75rem;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    margin-bottom: 1rem;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
}

.sidebar-logo svg {
    width: 20px;
    height: 20px;
}

.sidebar-logo span {
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
}

.nav-menu {
    list-style: none;
}

.nav-item {
    margin-bottom: 1px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.6rem;
    color: var(--text-secondary);
    border-radius: 4px;
    transition: var(--transition);
    font-size: 0.6875rem;
}

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

.nav-link.active {
    background: var(--accent-gradient);
    color: white;
}

.nav-link svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.nav-section {
    font-size: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 0.6rem 0.6rem 0.3rem;
    margin-top: 0.5rem;
}

/* Top Header */
.top-header {
    position: fixed;
    top: 0;
    left: 200px;
    right: 0;
    height: 70px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 99;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.client-selector {
    position: relative;
}

.client-selector select {
    appearance: none;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.625rem 2.5rem 0.625rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
}

.fy-selector select {
    appearance: none;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.625rem 2.5rem 0.625rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.user-menu:hover {
    background: var(--bg-secondary);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Page Header */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 4px 20px var(--shadow-color);
}

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

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.card-body {
    padding: 0;
}

/* Stat Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary { background: rgba(102, 126, 234, 0.2); color: var(--accent-primary); }
.stat-icon.success { background: rgba(72, 187, 120, 0.2); color: var(--success); }
.stat-icon.warning { background: rgba(237, 137, 54, 0.2); color: var(--warning); }
.stat-icon.danger { background: rgba(245, 101, 101, 0.2); color: var(--danger); }

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

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

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

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

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead {
    background: var(--bg-secondary);
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

tbody tr {
    transition: var(--transition);
}

tbody tr:hover {
    background: var(--bg-glass);
}

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

.text-right {
    text-align: right;
}

.text-center {
    text-align: center;
}

.amount {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
}

.amount.positive { color: var(--success); }
.amount.negative { color: var(--danger); }

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

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

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(72, 187, 120, 0.15);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-warning {
    background: rgba(237, 137, 54, 0.15);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.alert-danger {
    background: rgba(245, 101, 101, 0.15);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-info {
    background: rgba(66, 153, 225, 0.15);
    border: 1px solid var(--info);
    color: var(--info);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 999px;
}

.badge-primary { background: rgba(102, 126, 234, 0.2); color: var(--accent-primary); }
.badge-success { background: rgba(72, 187, 120, 0.2); color: var(--success); }
.badge-warning { background: rgba(237, 137, 54, 0.2); color: var(--warning); }
.badge-danger { background: rgba(245, 101, 101, 0.2); color: var(--danger); }

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    box-shadow: 0 4px 20px var(--shadow-color);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 200;
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 0.75rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

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

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

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

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: 60vh;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.file-upload:hover,
.file-upload.dragover {
    border-color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
}

.file-upload-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.file-upload-text {
    color: var(--text-secondary);
}

.file-upload input[type="file"] {
    display: none;
}

/* Progress Bar */
.progress {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 999px;
    transition: width 0.3s ease;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.page-link:hover,
.page-link.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

/* Filters */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

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

.filter-control {
    padding: 0.625rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 15, 26, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 9999;
}

/* Report specific styles */
.report-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.summary-item {
    text-align: center;
}

.summary-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.summary-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Export buttons */
.export-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-export {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

.btn-excel {
    background: #217346;
    color: white;
}

.btn-pdf {
    background: #dc3545;
    color: white;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.15) 0%, transparent 50%);
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px var(--shadow-color);
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo svg {
    width: 60px;
    height: 60px;
    margin-bottom: 0.5rem;
}

.login-logo h1 {
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Utilities */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }

.w-100 { width: 100%; }

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .top-header {
        left: 0;
    }
}

@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .filters-bar {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Print styles */
@media print {
    .sidebar,
    .top-header,
    .btn,
    .export-buttons,
    .filters-bar {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
        padding: 0;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card {
        border: 1px solid #ddd;
        box-shadow: none;
    }
}