/* Red Dwarf UI - Modern Enterprise Dashboard Theme */
/* ================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Space+Mono:wght@400;700&family=Instrument+Sans:wght@400;500;600;700&display=swap');

/* ============================================
   CSS Variables - Design Tokens
   Minimal Black/White/Yellow Theme
   ============================================ */
:root {
    /* Colors - Dark Theme (Pure Black) */
    --color-bg: #000000;
    --color-bg-elevated: #0a0a0a;
    --color-surface: #111111;
    --color-surface-hover: #1a1a1a;
    --color-surface-active: #222222;

    /* Borders */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    --color-border-accent: rgba(250, 204, 21, 0.3);

    /* Primary (Yellow) */
    --color-primary: #facc15;
    --color-primary-hover: #fde047;
    --color-primary-muted: rgba(250, 204, 21, 0.15);
    --color-primary-text: #000000;

    /* Secondary (White/Gray) */
    --color-secondary: #a3a3a3;
    --color-secondary-hover: #d4d4d4;

    /* Text */
    --color-text: #ffffff;
    --color-text-secondary: #d4d4d4;
    --color-text-tertiary: #a3a3a3;
    --color-text-muted: #737373;

    /* Status Colors */
    --color-success: #22c55e;
    --color-success-muted: rgba(34, 197, 94, 0.15);
    --color-warning: #facc15;
    --color-warning-muted: rgba(250, 204, 21, 0.15);
    --color-error: #ef4444;
    --color-error-muted: rgba(239, 68, 68, 0.15);
    --color-info: #facc15;
    --color-info-muted: rgba(250, 204, 21, 0.15);

    /* Live/Recording indicator */
    --color-live: #ef4444;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;

    /* Font Families - Inter primary, monospace for code only */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', monospace;

    /* Shadows - Modern subtle shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.25), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ============================================
   Base Styles
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-base); }
h6 { font-size: var(--text-sm); }

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

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

a:hover {
    color: var(--color-primary-hover);
}

code, pre {
    font-family: var(--font-mono);
}

/* ============================================
   Page Layout
   ============================================ */
.page-container {
    padding: var(--space-8);
    min-height: 100%;
}

.page-header {
    margin-bottom: var(--space-8);
}

.page-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 var(--space-1) 0;
}

.page-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    margin: 0;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    margin-bottom: var(--space-3);
}

.breadcrumb a {
    color: var(--color-text-tertiary);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.breadcrumb span {
    color: var(--color-text-muted);
}

.breadcrumb .current {
    color: var(--color-text);
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.card-header i {
    color: var(--color-primary);
}

.card-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    background: rgba(0, 0, 0, 0.2);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border-hover);
    color: var(--color-text-secondary);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-tertiary);
}

.btn-ghost:hover:not(:disabled) {
    color: var(--color-text);
}

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

.btn-success:hover:not(:disabled) {
    background: #16a34a;
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* ============================================
   Form Elements
   ============================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.form-label .required {
    color: var(--color-error);
    margin-left: var(--space-1);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-family: inherit;
    color: var(--color-text);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-muted);
}

.form-input::placeholder {
    color: var(--color-text-tertiary);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--space-3) center;
    background-repeat: no-repeat;
    background-size: 1.25em;
    padding-right: var(--space-10);
}

.form-hint {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--space-2);
}

/* Toggle Switch */
.toggle {
    position: relative;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: var(--color-text-tertiary);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.toggle input:checked + .toggle-slider {
    background: var(--color-primary-muted);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(20px);
    background: var(--color-primary);
}

/* ============================================
   Status Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
}

.badge-success {
    background: var(--color-success-muted);
    color: var(--color-success);
}

.badge-warning {
    background: var(--color-warning-muted);
    color: var(--color-warning);
}

.badge-error {
    background: var(--color-error-muted);
    color: var(--color-error);
}

.badge-info {
    background: var(--color-info-muted);
    color: var(--color-info);
}

.badge-neutral {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-secondary);
}

/* Status dot */
.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.status-dot.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   Tables
   ============================================ */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    background: rgba(0, 0, 0, 0.2);
}

.table td {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* ============================================
   Stats Cards
   ============================================ */
.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

.stat-label {
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-2);
}

.stat-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
}

.stat-suffix {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-tertiary);
    margin-left: var(--space-1);
}

/* ============================================
   Progress Bars
   ============================================ */
.progress {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar.success { background: var(--color-success); }
.progress-bar.warning { background: var(--color-warning); }
.progress-bar.error { background: var(--color-error); }

/* ============================================
   Alerts
   ============================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
}

.alert-success {
    background: var(--color-success-muted);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--color-success);
}

.alert-warning {
    background: var(--color-warning-muted);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--color-warning);
}

.alert-error {
    background: var(--color-error-muted);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-error);
}

.alert-info {
    background: var(--color-info-muted);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--color-info);
}

/* ============================================
   Loading States
   ============================================ */
.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-primary-muted);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 16px;
    height: 16px;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

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

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12);
    color: var(--color-text-tertiary);
}

.loading-state .spinner {
    margin-bottom: var(--space-4);
}

/* ============================================
   Empty States
   ============================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-8);
    text-align: center;
}

.empty-icon {
    width: 80px;
    height: 80px;
    background: var(--color-primary-muted);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.empty-icon i {
    font-size: 2rem;
    color: var(--color-primary);
}

.empty-state h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.empty-state p {
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-6);
    max-width: 320px;
}

/* ============================================
   Grid Layouts
   ============================================ */
.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid-auto {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

    .page-container {
        padding: var(--space-4);
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

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

.font-mono { font-family: var(--font-mono); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

.bg-surface { background: var(--color-surface); }
.bg-elevated { background: var(--color-bg-elevated); }

.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================
   Content Box (Clean Style)
   ============================================ */
.content-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

/* Legacy terminal-box support - maps to content-box */
.terminal-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

/* Outline button style */
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-primary);
    background: transparent;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

/* Legacy terminal-button support */
.terminal-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-primary);
    background: transparent;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.terminal-button:hover {
    background: var(--color-primary);
    color: var(--color-primary-text);
}

/* ============================================
   Scrollbar Styling
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-text-muted);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-tertiary);
}

/* ============================================
   Blazor Error UI
   ============================================ */
#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(90deg, #1a1a1a 0%, #2d1f1f 50%, #1a1a1a 100%);
    border-top: 2px solid var(--color-error);
    color: #fca5a5;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    z-index: 9999;
}

#blazor-error-ui .reload {
    color: var(--color-primary);
    margin-left: var(--space-4);
    text-decoration: underline;
    cursor: pointer;
}

#blazor-error-ui .dismiss {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    opacity: 0.7;
}

#blazor-error-ui .dismiss:hover {
    opacity: 1;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.animate-fadeIn {
    animation: fadeIn var(--transition-base);
}

.animate-slideUp {
    animation: slideUp var(--transition-base);
}