/* ── Reset ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

/* ── Variables ──────────────────────────────────────────────────── */
:root {
    /* Color tokens — light theme defaults */
    --color-bg: #ffffff;
    --color-bg-secondary: #f5f5f5;
    --color-text: #1a1a1a;
    --color-text-secondary: #6b6b6b;
    --color-border: #e0e0e0;
    --color-primary: hsl(348, 72%, 40%);
    --color-primary-subtle: hsl(348, 72%, 95%);

    /* Typography */
    --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Monaco, Consolas, monospace;

    /* Spacing */
    --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
    --space-4: 1rem; --space-8: 2rem; --space-10: 2.5rem;

    /* Font size scale */
    --text-xs:   0.25rem;
    --text-sm:   0.5rem;
    --text-base: 0.75rem;
    --text-md:   1rem;
    --text-lg:   1.25rem;
    --text-xl:   1.5rem;
    --text-2xl:  1.75rem;
    --text-3xl:  2rem;

    /* Layout */
    --max-width: 680px;

    /* Misc */
    --radius-md: 0.375rem;
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --header-height: 3.5rem;
    --z-header: 100;

    /* Legacy vars — kept for camera.css backward compat, do not remove */
    --bg: #0f0f0f; --bg-2: #1a1a1a; --bg-3: #161616;
    --surface: #1e1e1e; --border: #2a2a2a;
    --accent: hsl(348, 72%, 65%); --accent-dk: hsl(348, 72%, 55%);
    --text: #e8e8e8; --text-muted: #888888;
    --success: #2dd4bf; --danger: #ef4444;
    --radius: 10px; --radius-sm: 6px;
    --shadow: 0 4px 24px rgba(0,0,0,.4);
}

[data-theme="light"] {
    --color-bg: #ffffff;
    --color-bg-secondary: #f5f5f5;
    --color-text: #1a1a1a;
    --color-text-secondary: #6b6b6b;
    --color-border: #e0e0e0;
    --color-primary: hsl(348, 72%, 40%);
    --color-primary-subtle: hsl(348, 72%, 95%);
}

[data-theme="dark"] {
    --color-bg: #0f0f0f;
    --color-bg-secondary: #1a1a1a;
    --color-text: #e8e8e8;
    --color-text-secondary: #888888;
    --color-border: #2a2a2a;
    --color-primary: hsl(348, 72%, 65%);
    --color-primary-subtle: hsl(348, 72%, 12%);
}

/* ── Base ───────────────────────────────────────────────────────── */
html { font-size: 16px; }

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background var(--transition-base), color var(--transition-base);
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main { flex: 1; }

/* ── Layout ─────────────────────────────────────────────────────── */
.container {
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 var(--space-8);
}

.page-content {
    max-width: 520px;
    margin: 0 auto;
    padding: 40px var(--space-8) 60px;
}

/* ── Site Header ────────────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    height: var(--header-height);
    background: color-mix(in srgb, var(--color-bg) 90%, transparent);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background var(--transition-base), border-color var(--transition-base);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.site-logo {
    text-decoration: none;
    font-size: var(--text-lg);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1;
    flex-shrink: 0;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.site-logo:hover { color: var(--color-primary); }

.gradient-text { color: inherit; }

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--color-text);
    background: var(--color-bg-secondary);
}

/* Icon visibility managed by JS (theme.ts) */
.icon-sun, .icon-moon { display: none; }

/* ── Site Footer ────────────────────────────────────────────────── */
.site-footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
    transition: background var(--transition-base), border-color var(--transition-base);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-10) 0;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-brand-name {
    font-size: var(--text-md);
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-brand-name:hover {
    color: var(--color-primary);
}

.footer-tagline {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
}

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-2);
}

.footer-socials {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.footer-social-link:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: var(--color-primary-subtle);
}

.footer-copyright {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.footer-copyright a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

@media (max-width: 640px) {
    .container { padding: 0 1.25rem; }
    .footer-inner {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        padding-top: var(--space-10);
        padding-bottom: var(--space-10);
    }
    .footer-right {
        align-items: flex-start;
    }
}

/* ── Brand ──────────────────────────────────────────────────────── */
.brand h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: 2px;
    margin-bottom: 4px;
}
.brand p {
    color: var(--color-text-secondary);
    margin-bottom: 36px;
}

/* ── Forms ──────────────────────────────────────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 20px;
}
.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: .5px;
}
.optional { font-weight: 400; text-transform: none; }

input[type="text"],
input[type="password"],
input[type="email"],
select {
    width: 100%;
    padding: 12px 14px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    font-family: var(--font-body);
    outline: none;
    transition: border-color var(--transition-fast), background var(--transition-base);
}
input:focus, select:focus { border-color: var(--color-primary); }
select { cursor: pointer; }
select option { background: var(--color-bg-secondary); }

/* ── Buttons ────────────────────────────────────────────────────── */
button, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: opacity var(--transition-fast), background var(--transition-fast);
    text-decoration: none;
}
button:disabled { opacity: .5; cursor: not-allowed; }

button[type="submit"],
#create-btn,
.btn-primary {
    width: 100%;
    background: var(--color-primary);
    color: #fff;
    margin-top: 8px;
}
button[type="submit"]:hover:not(:disabled),
#create-btn:hover:not(:disabled) { opacity: 0.85; }

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}
.btn-secondary:hover { background: var(--color-primary-subtle); }

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

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}
.btn-ghost:hover { color: var(--color-text); border-color: var(--color-text-secondary); }

/* ── Feedback ───────────────────────────────────────────────────── */
.error {
    color: var(--danger);
    font-size: 0.9rem;
    padding: 8px 0;
}
.fatal-error {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    text-align: center;
    color: var(--color-text-secondary);
}

/* ── Input with toggle ──────────────────────────────────────────── */
.input-with-toggle {
    display: flex;
    gap: 8px;
}
.input-with-toggle input {
    flex: 1;
    width: auto;
}
.btn-toggle-pw {
    padding: 0 14px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}
.btn-toggle-pw:hover { border-color: var(--color-primary); color: var(--color-text); }

.field-hint {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-top: 6px;
}

/* ── Success section ────────────────────────────────────────────── */
#success-section h2 {
    font-size: 1.6rem;
    margin-bottom: 8px;
    color: var(--color-text);
}
.success-event-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.card-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    margin-top: 24px;
}
.card-label-note {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

/* ── Host credentials card ──────────────────────────────────────── */
.host-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: background var(--transition-base), border-color var(--transition-base);
}
.host-card-row {
    display: flex;
    gap: 12px;
    align-items: baseline;
}
.host-card-key {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--color-text-secondary);
    min-width: 64px;
    flex-shrink: 0;
}
.host-card-val {
    font-size: 0.9rem;
    color: var(--color-text);
    word-break: break-all;
    user-select: all;
}
.host-card-mono {
    font-family: var(--font-mono);
    font-size: 0.9rem;
}
.host-card-password {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-text);
    letter-spacing: 1px;
}
.host-card-row--pw {
    align-items: center;
    gap: 8px;
}
.host-card-row--pw .host-card-password {
    flex: 1;
}
.host-card-row--pw .btn-toggle-pw {
    padding: 4px 10px;
    font-size: 0.75rem;
    flex-shrink: 0;
}
.host-card-copy {
    align-self: flex-start;
    font-size: 0.85rem;
    padding: 8px 16px;
    margin-top: 4px;
}

/* ── QR Access Card — hardcoded dark (printable artifact) ───────── */
.qr-card {
    background: linear-gradient(160deg, #0f0f1a, #1a1a2e);
    border-radius: var(--radius-md);
    border: 1px solid #2a2a42;
    padding: 32px 24px;
    margin-bottom: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.qr-card-brand {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 4px;
    color: hsl(348, 72%, 65%);
}
.qr-card-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: #e8e8f0;
    line-height: 1.3;
}
.qr-card #qr-code-target canvas {
    border-radius: var(--radius-md);
    display: block;
}
.qr-card-instruction {
    color: #7b7b9a;
    font-size: 0.95rem;
}
.qr-card-url {
    font-size: 0.75rem;
    color: #4a4a6a;
    word-break: break-all;
}

/* ── Success actions ────────────────────────────────────────────── */
.success-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.success-actions button, .success-actions a {
    width: 100%;
    padding: 14px;
    text-align: center;
}

/* ── Loading states ─────────────────────────────────────────────── */
@keyframes btn-spin { to { transform: rotate(360deg); } }

.btn-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: btn-spin .65s linear infinite;
    flex-shrink: 0;
    vertical-align: middle;
    margin-right: 6px;
}

@keyframes shimmer {
    from { background-position: 200% center; }
    to   { background-position: -200% center; }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-bg-secondary) 25%,
        var(--color-border) 50%,
        var(--color-bg-secondary) 75%
    );
    background-size: 200% auto;
    animation: shimmer 1.5s linear infinite;
    border-radius: var(--radius-md);
    color: transparent !important;
    user-select: none;
    pointer-events: none;
}

/* ── Status badges ──────────────────────────────────────────────── */
.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
}
.badge-active { background: var(--color-bg-secondary); color: var(--color-text); }
.badge-ended  { background: rgba(239,68,68,.15);  color: var(--danger);  }