/* ─── Dark Theme for SpawnDev.BlazorJS.OnnxRuntimeWeb Demo ─── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --bg-card: #21262d;
    --bg-card-hover: #292e36;
    --border-color: #30363d;
    --border-subtle: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --accent-glow: rgba(88, 166, 255, 0.15);
    --success: #3fb950;
    --warning: #d29922;
    --danger: #f85149;
    --gradient-sidebar: linear-gradient(180deg, #0d1117 0%, #161b22 100%);
    --gradient-hero: linear-gradient(135deg, rgba(88,166,255,0.08) 0%, rgba(136,57,239,0.08) 50%, rgba(238,108,77,0.06) 100%);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.3), 0 0 0 1px var(--border-color);
    --shadow-card-hover: 0 4px 12px rgba(0,0,0,0.4), 0 0 0 1px var(--accent);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: 0.2s ease;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5 {
    color: var(--text-primary);
    font-weight: 600;
}

h1:focus {
    outline: none;
}

a, .btn-link {
    color: var(--accent);
    transition: color var(--transition);
}

a:hover, .btn-link:hover {
    color: var(--accent-hover);
}

/* ─── Buttons ─── */

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border: none;
    border-radius: var(--radius);
    padding: 0.5rem 1.25rem;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition);
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.5;
    transform: none;
    box-shadow: none;
}

.btn-outline {
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.5rem 1.25rem;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition);
    cursor: pointer;
}

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

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 2px var(--accent-glow), 0 0 0 1px var(--accent);
}

/* ─── Cards ─── */

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

.card:hover {
    border-color: rgba(88, 166, 255, 0.3);
    box-shadow: var(--shadow-card-hover);
}

.card-header {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* ─── Content ─── */

.content {
    padding-top: 1.1rem;
}

/* ─── Form controls ─── */

.form-control, select, input[type="file"] {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius);
    padding: 0.5rem 0.75rem;
    transition: border-color var(--transition);
}

.form-control:focus, select:focus {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    color: var(--text-primary);
    outline: none;
    box-shadow: 0 0 0 2px var(--accent-glow);
}

/* ─── Tables ─── */

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

th {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-primary);
}

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

/* ─── Badge / Tag ─── */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.badge.accent {
    background: var(--accent-glow);
    color: var(--accent);
    border-color: rgba(88, 166, 255, 0.3);
}

/* ─── Progress / Confidence Bar ─── */

.progress-bar-container {
    background: var(--bg-tertiary);
    border-radius: 4px;
    height: 6px;
    overflow: hidden;
    width: 100%;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
    transition: width 0.4s ease;
}

/* ─── Status indicators ─── */

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-dot.success { background: var(--success); }
.status-dot.warning { background: var(--warning); }
.status-dot.danger { background: var(--danger); }

/* ─── Code blocks ─── */

code {
    color: #79c0ff;
    background: var(--bg-tertiary);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85em;
}

pre {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.6;
}

pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
}

/* ─── Loading / Spinner ─── */

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto 0 auto;
}

.loading-progress circle {
    fill: none;
    stroke: var(--bg-card);
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: var(--accent);
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
    color: var(--text-primary);
}

.loading-progress-text:after {
    content: var(--blazor-load-percentage-text, "Loading");
}

/* ─── Error UI ─── */

#blazor-error-ui {
    color-scheme: dark only;
    background: var(--bg-card);
    border-top: 2px solid var(--danger);
    bottom: 0;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.4);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    color: var(--text-primary);
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.blazor-error-boundary {
    background: var(--danger);
    padding: 1rem 1rem 1rem 1rem;
    color: white;
    border-radius: var(--radius);
}

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

/* ─── Validation ─── */

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--success);
}

.invalid {
    outline: 1px solid var(--danger);
}

.validation-message {
    color: var(--danger);
}

/* ─── Canvas ─── */

canvas {
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

/* ─── Scrollbar ─── */

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

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

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

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

/* ─── Utility ─── */

.text-muted { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-accent { color: var(--accent) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }

.glow-text {
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--text-muted);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}