/* ==========================================================================
   PrivacyCam — shared theme
   Dark, modern, mobile-first.
   ========================================================================== */

:root {
    --bg: #0e1116;
    --bg-soft: #161b24;
    --card: #1c2330;
    --card-border: #2a3344;
    --text: #e8ecf3;
    --text-dim: #9aa5b5;
    --accent: #4f8cff;
    --accent-dark: #3a6fd8;
    --danger: #ff5252;
    --success: #3ecf8e;
    --radius: 14px;
    --shadow: 0 8px 24px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}

[hidden] { display: none !important; }

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

img, video { max-width: 100%; }

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px;
}

.no-scroll { overflow: hidden; }

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* ------------------------------------------------------------- site header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(14, 17, 22, .85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
}

.site-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 58px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 19px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: .2px;
}

.brand svg { color: var(--accent); }

.site-nav { display: flex; gap: 4px; }

.site-nav a {
    color: var(--text-dim);
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 10px;
    transition: background .15s, color .15s;
}

.site-nav a:hover { background: var(--card); color: var(--text); }

.site-main { padding: 28px 16px 48px; }

.site-footer {
    border-top: 1px solid var(--card-border);
    padding: 22px 0;
    color: var(--text-dim);
    font-size: 13px;
    text-align: center;
}

/* ----------------------------------------------------------------- buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background .15s, border-color .15s, transform .05s;
    min-height: 44px; /* touch target */
    color: var(--text);
    background: var(--card);
}

.btn:active { transform: scale(.97); }

.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-dark); }

.btn-outline { background: transparent; border-color: var(--card-border); color: var(--text); }
.btn-outline:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }

.btn-outline-light { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.35); color: #fff; }
.btn-outline-light:hover:not(:disabled) { background: rgba(255,255,255,.22); }

.btn-light { background: #fff; color: #111; }
.btn-light:hover:not(:disabled) { background: #e8e8e8; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #e04444; }

.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover:not(:disabled) { background: var(--card); }

.btn-lg { padding: 14px 26px; font-size: 17px; border-radius: 14px; }

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, .1);
    color: #fff;
    cursor: pointer;
    transition: background .15s;
}

.icon-btn:hover:not(:disabled) { background: rgba(255, 255, 255, .22); }
.icon-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ------------------------------------------------------------------ alerts */

.alert {
    padding: 14px 16px;
    border-radius: var(--radius);
    margin: 0 0 20px;
    font-size: 14px;
}

.alert-error {
    background: rgba(255, 82, 82, .12);
    border: 1px solid rgba(255, 82, 82, .4);
    color: #ffb4b4;
}

.alert code {
    background: rgba(255, 255, 255, .1);
    padding: 1px 6px;
    border-radius: 6px;
}

/* -------------------------------------------------------------------- hero */

.hero {
    text-align: center;
    padding: 48px 16px 36px;
}

.hero-badge {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 999px;
    background: rgba(79, 140, 255, .15);
    border: 1px solid rgba(79, 140, 255, .4);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(30px, 6vw, 46px);
    margin: 0 0 12px;
    letter-spacing: -.5px;
}

.hero-sub {
    color: var(--text-dim);
    max-width: 560px;
    margin: 0 auto 26px;
    font-size: 17px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ------------------------------------------------------------------- stats */

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    margin: 12px 0 34px;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-num {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    color: var(--text-dim);
    font-size: 14px;
}

/* ------------------------------------------------------------ recent strip */

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.section-head h2 { margin: 0; font-size: 22px; }

.recent-strip {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.recent-card {
    position: relative;
    display: block;
    border-radius: 12px;
    overflow: hidden;
    background: var(--card);
    border: 1px solid var(--card-border);
    aspect-ratio: 1;
}

.recent-card img,
.recent-card video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.recent-when {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 14px 8px 6px;
    font-size: 11px;
    color: #fff;
    background: linear-gradient(transparent, rgba(0, 0, 0, .75));
}

.empty-hint { color: var(--text-dim); text-align: center; padding: 30px 0; }

/* ------------------------------------------------------------------ badges */

.badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .4px;
}

.badge-photo { background: rgba(79, 140, 255, .18); color: #8fb6ff; }
.badge-video { background: rgba(255, 82, 82, .18); color: #ff9a9a; }

.recent-card .badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(0, 0, 0, .55);
    color: #fff;
    backdrop-filter: blur(4px);
}

/* ------------------------------------------------------------------- toast */

.toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    transform: translateX(-50%) translateY(20px);
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s, transform .2s;
    z-index: 300;
    max-width: min(90vw, 420px);
    text-align: center;
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }

/* ------------------------------------------------------------------- modal */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .6);
    backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 400;
    padding: 20px;
}

.modal-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 24px;
    max-width: 380px;
    width: 100%;
    box-shadow: var(--shadow);
}

.modal-card h3 { margin: 0 0 8px; font-size: 18px; }
.modal-card p { margin: 0 0 20px; color: var(--text-dim); font-size: 14px; }

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ----------------------------------------------------------------- spinner */

.spinner {
    width: 42px;
    height: 42px;
    border: 4px solid rgba(255, 255, 255, .2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .8s linear infinite;
    margin: 0 auto 14px;
}

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

/* -------------------------------------------------------------- responsive */

@media (max-width: 560px) {
    .site-main { padding: 18px 12px 40px; }
    .site-nav a { padding: 8px 10px; }
    .hero { padding: 34px 8px 26px; }
    .btn-lg { width: 100%; }
    .hero-actions { flex-direction: column; align-items: stretch; }
}