/* ── Design tokens ────────────────────────────────── */

:root {
    --cs-green: #3d6f42;
    --cs-green-dark: #1e3120;
    --cs-green-light: #4a8a50;
    --cs-beige: #f8f5f2;
    --cs-gray: #e2e2e2;
    --cs-gray-light: #f2f3f5;
    --cs-text: #212934;
    --cs-text-muted: #6b7280;
    --cs-white: #ffffff;
    --cs-danger: #e50000;
    --cs-touch-target: 48px;
    --cs-topbar-height: 56px;
}

/* ── Reset & base ────────────────────────────────── */

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

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--cs-beige);
    color: var(--cs-text);
    margin: 0;
    padding: 0;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    overscroll-behavior: none;
}

h1, h2, h3 {
    margin-top: 0;
    color: var(--cs-green-dark);
}

p {
    margin-top: 0;
}

a {
    color: var(--cs-green);
    text-decoration: none;
}

/* ── Layout ──────────────────────────────────────── */

.cs-app {
    display: flex;
    flex-direction: column;
    min-height: 100dvh;
}

.cs-app-header {
    display: flex;
    align-items: center;
    height: var(--cs-topbar-height);
    padding: 0 1rem;
    padding-top: env(safe-area-inset-top);
    background-color: var(--cs-green-dark);
    color: var(--cs-white);
}

.cs-app-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--cs-white);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.3px;
}

.cs-app-logo {
    height: 1.6rem;
    width: 1.6rem;
    border-radius: 6px;
    display: block;
}

.cs-app-brand:hover, .cs-app-brand:focus-visible {
    color: var(--cs-white);
    text-decoration: none;
}

.cs-app-main {
    flex: 1;
    padding: 1rem;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
}

/* ── Buttons ─────────────────────────────────────── */

.cs-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    padding: 0.625rem 1.5rem;
    min-height: var(--cs-touch-target);
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease;
    -webkit-appearance: none;
    appearance: none;
}

.cs-button--primary {
    color: var(--cs-white);
    background-color: var(--cs-green);
    border-color: var(--cs-green);
}

.cs-button--primary:hover, .cs-button--primary:active {
    background-color: var(--cs-green-dark);
    border-color: var(--cs-green-dark);
    color: var(--cs-white);
}

.cs-button--secondary {
    color: var(--cs-text);
    background-color: var(--cs-white);
    border-color: var(--cs-gray);
}

.cs-button--secondary:hover {
    background-color: var(--cs-gray-light);
}

.cs-button--block {
    width: 100%;
}

.cs-button--lg {
    min-height: 56px;
    font-size: 1.05rem;
}

/* ── Notices ─────────────────────────────────────── */

.cs-notice {
    padding: 0.875rem 1rem;
    border-radius: 6px;
    border: 1px solid transparent;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.cs-notice--info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

.cs-notice--error {
    color: var(--cs-white);
    background-color: var(--cs-danger);
    border-color: var(--cs-danger);
}

/* ── Camera page ─────────────────────────────────── */

.cs-camera-stage {
    position: relative;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    margin-bottom: 1rem;
}

.cs-camera-stage video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cs-camera-status {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: rgba(0, 0, 0, 0.55);
    color: var(--cs-white);
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    font-size: 0.8rem;
    line-height: 1.2;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.cs-camera-status::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cs-text-muted);
}

.cs-camera-status.is-live::before {
    background: var(--cs-danger);
    animation: cs-pulse 1.5s ease-in-out infinite;
}

@keyframes cs-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.cs-camera-controls {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.cs-camera-controls .cs-button {
    flex: 1;
}

/* ── Session info ────────────────────────────────── */

.cs-session-info {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1.5rem;
    margin: 1rem 0;
    font-size: 0.9rem;
}

.cs-session-info > div {
    display: flex;
    gap: 0.4rem;
}

.cs-session-info dt {
    color: var(--cs-text-muted);
}

.cs-session-info dd {
    margin: 0;
    font-weight: 600;
}

/* ── Form input ──────────────────────────────────── */

.cs-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin: 1rem 0;
    font-size: 0.9rem;
}

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

.cs-input {
    font-family: inherit;
    font-size: 1rem;
    padding: 0.625rem 0.75rem;
    min-height: var(--cs-touch-target);
    border: 1px solid var(--cs-gray);
    border-radius: 6px;
    background-color: var(--cs-white);
    color: var(--cs-text);
    -webkit-appearance: none;
    appearance: none;
}

.cs-input:focus {
    outline: none;
    border-color: var(--cs-green);
    box-shadow: 0 0 0 3px rgba(74, 138, 80, 0.2);
}

.cs-input:disabled {
    background-color: var(--cs-gray-light);
    color: var(--cs-text-muted);
}

/* ── Blazor loading + error ──────────────────────── */

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 30vh 0 auto 0;
    margin: 0 auto;
}

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

.loading-progress circle:last-child {
    stroke: var(--cs-green);
    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: 600;
    color: var(--cs-text-muted);
    inset: calc(30vh + 9rem) 0 auto 0;
}

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

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

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

.blazor-error-boundary {
    background: var(--cs-danger);
    padding: 1rem;
    color: var(--cs-white);
    border-radius: 6px;
}

.blazor-error-boundary::after {
    content: "Er is een fout opgetreden."
}