/* ========================================
   PAYSTUB APP - DARK GAMER THEME
   Colors: Blood Red, Neon Green, Black
======================================== */

:root {
    /* Primary Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #121212;
    --bg-tertiary: #1a1a1a;
    --bg-card: #161616;
    --bg-card-hover: #1e1e1e;

    /* Accent Colors */
    --accent-red: #8b0000;
    --accent-red-bright: #dc143c;
    --accent-red-glow: rgba(220, 20, 60, 0.3);
    --accent-green: #00ff41;
    --accent-green-dim: #00cc33;
    --accent-green-glow: rgba(0, 255, 65, 0.2);
    --accent-cyan: #00bfff;
    --accent-cyan-dim: #0088cc;
    --accent-cyan-glow: rgba(0, 191, 255, 0.2);
    --accent-yellow: #ffd700;
    --accent-yellow-dim: #ccac00;
    --accent-yellow-glow: rgba(255, 215, 0, 0.2);
    --accent-purple: #8b5cf6;
    --accent-purple-dim: #7c3aed;
    --accent-purple-glow: rgba(139, 92, 246, 0.2);
    --accent-orange: #ff9500;
    --accent-orange-dim: #cc7700;
    --accent-orange-glow: rgba(255, 149, 0, 0.2);

    /* Text Colors */
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --text-bright: #ffffff;

    /* Border Colors */
    --border-primary: #2a2a2a;
    --border-hover: #3a3a3a;
    --border-accent: var(--accent-red);

    /* Gradients */
    --gradient-red: linear-gradient(135deg, #8b0000 0%, #dc143c 100%);
    --gradient-green: linear-gradient(135deg, #00cc33 0%, #00ff41 100%);
    --gradient-dark: linear-gradient(180deg, #121212 0%, #0a0a0a 100%);

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow-red: 0 0 20px var(--accent-red-glow);
    --shadow-glow-green: 0 0 20px var(--accent-green-glow);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* ========================================
   BASE STYLES
======================================== */

*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    min-height: 100vh;
}

/* ========================================
   TYPOGRAPHY
======================================== */

h1, h2, h3, h4, h5, h6 {
    color: var(--text-bright);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0 0 1rem;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }

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

a:hover {
    color: var(--accent-green-dim);
    text-decoration: underline;
}

/* ========================================
   BUTTONS
======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-red);
    color: var(--text-bright);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow-red);
    transform: translateY(-2px);
}

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

.btn-primary:disabled {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

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

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

.btn-success {
    background: var(--gradient-green);
    color: var(--bg-primary);
    font-weight: 600;
}

.btn-success:hover {
    box-shadow: var(--shadow-glow-green);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--accent-green);
    border: 2px solid var(--accent-green);
}

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

.btn-link {
    background: none;
    border: none;
    color: var(--accent-green);
    padding: 0;
    cursor: pointer;
}

.btn-link:hover {
    color: var(--accent-green-dim);
    text-decoration: underline;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* ========================================
   FORMS
======================================== */

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.form-control:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px var(--accent-red-glow);
}

.form-control:hover:not(:focus) {
    border-color: var(--border-hover);
}

.invite-code-input {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-align: center;
    font-size: 1.1rem;
}

.form-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

/* ========================================
   CARDS
======================================== */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.card-glow:hover {
    box-shadow: var(--shadow-glow-red);
}

/* ========================================
   ALERTS
======================================== */

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.alert-danger {
    background: rgba(139, 0, 0, 0.2);
    border: 1px solid var(--accent-red);
    color: var(--accent-red-bright);
}

.alert-success {
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid #ffc107;
    color: #ffc107;
}

/* ========================================
   TABLES
======================================== */

.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-primary);
}

th {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

/* ========================================
   BADGES
======================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 9999px;
}

.badge-manual {
    background: rgba(0, 255, 65, 0.15);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}

.badge-pdf {
    background: rgba(220, 20, 60, 0.15);
    color: var(--accent-red-bright);
    border: 1px solid var(--accent-red-bright);
}

.badge-csv {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
    border: 1px solid #3b82f6;
}

.badge-ocr {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
    border: 1px solid #f97316;
}

/* ========================================
   STATS CARDS
======================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--accent-red);
    box-shadow: var(--shadow-glow-red);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   LAYOUT - SIDEBAR
======================================== */

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

.sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

main {
    flex: 1;
    margin-left: 280px;
    min-height: 100vh;
}

.top-row {
    padding: 1rem 1.5rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.content {
    padding: 2rem;
}

/* ========================================
   NAVIGATION
======================================== */

.navbar-brand {
    display: block;
    padding: 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-bright) !important;
    text-decoration: none;
    background: var(--gradient-red);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-scrollable {
    padding: 1rem 0;
}

.nav-item {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border-left-color: var(--accent-red);
}

.nav-link.active {
    color: var(--accent-green);
    background: rgba(0, 255, 65, 0.05);
    border-left-color: var(--accent-green);
}

.logout-btn {
    color: var(--accent-red-bright);
}

.logout-btn:hover {
    color: var(--text-bright);
    background: var(--accent-red);
}

/* ========================================
   VALIDATION
======================================== */

.valid.modified:not([type=checkbox]) {
    border-color: var(--accent-green) !important;
}

.invalid {
    border-color: var(--accent-red-bright) !important;
}

.validation-message {
    color: var(--accent-red-bright);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* ========================================
   LOADING & EMPTY STATES
======================================== */

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.loading::before {
    content: '';
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-primary);
    border-top-color: var(--accent-green);
    border-radius: 50%;
    margin-right: 1rem;
    animation: spin 1s linear infinite;
}

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

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-card);
    border: 1px dashed var(--border-primary);
    border-radius: var(--radius-lg);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ========================================
   AUTH LOADING STATE
======================================== */

.auth-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    gap: 1rem;
}

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

.auth-loading p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ========================================
   NOT FOUND PAGE
======================================== */

.not-found {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    gap: 1rem;
}

.not-found h1 {
    color: var(--accent-red-bright);
    font-size: 2rem;
}

.not-found p {
    color: var(--text-secondary);
}

.not-found a {
    color: var(--accent-green);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--accent-green);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.not-found a:hover {
    background: var(--accent-green);
    color: var(--bg-primary);
}

/* ========================================
   ERROR BOUNDARY
======================================== */

.blazor-error-boundary {
    background: var(--accent-red);
    padding: 1rem 1.5rem;
    color: var(--text-bright);
    border-radius: var(--radius-md);
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-red);
    color: var(--text-bright);
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
}

/* ========================================
   SCROLLBAR
======================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* ========================================
   RESPONSIVE
======================================== */

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -280px;
        z-index: 1000;
        transition: left var(--transition-normal);
    }

    .sidebar.open {
        left: 0;
    }

    main {
        margin-left: 0;
    }

    .form-row {
        flex-direction: column;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   AUTH PAGES
======================================== */

.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg-primary);
    padding: 2rem;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.auth-card:hover {
    border-color: var(--accent-red);
    box-shadow: var(--shadow-glow-red);
}

.auth-card-wide {
    max-width: 500px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    color: var(--text-bright);
    margin-bottom: 0.5rem;
    background: var(--gradient-red);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header p {
    color: var(--text-secondary);
    margin: 0;
}

.auth-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-primary);
}

.auth-footer p {
    color: var(--text-secondary);
    margin: 0;
}

.btn-full {
    width: 100%;
}

/* ========================================
   DASHBOARD
======================================== */

.dashboard {
    padding: 2rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    margin: 0;
    color: var(--text-bright);
}

.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.btn-delete {
    color: var(--accent-red-bright) !important;
}

.btn-delete:hover {
    color: var(--text-bright) !important;
}