/* PaperSky — design system condiviso.
   Un unico tema "charcoal-green" scuro con accento verde (brand già presente
   in stream-toggle ed encoder-preset). Centralizza token e componenti usati su
   più schermate, così tutte le viste restano coerenti e l'usabilità resta buona
   sia da mobile (tap-target ampi, pannelli a scomparsa) sia da TV (focus-ring
   visibile per la navigazione col telecomando, testi leggibili a distanza).
   Commenti in italiano, identificatori in inglese (vedi .cursorrules). */

:root {
    color-scheme: dark;

    /* Sfondi e superfici */
    --ps-bg: #161f1b;          /* sfondo applicazione */
    --ps-bg-2: #1c2622;        /* barre, header */
    --ps-surface: #243430;     /* card, pannelli */
    --ps-surface-2: #2a3f33;   /* input, elementi rialzati */
    --ps-surface-3: #30493b;   /* hover su superfici */
    --ps-line: #3d5a4a;        /* bordi */

    /* Testo */
    --ps-text: #eaf2ee;
    --ps-muted: #9fb4a9;

    /* Accento (verde brand) e stati */
    --ps-accent: #5a8a72;
    --ps-accent-strong: #6fa588;
    --ps-accent-press: #4d6f5c;
    --ps-on-accent: #ffffff;
    --ps-ok: #5cb87a;
    --ps-warn: #e0a23a;
    --ps-danger: #d9534f;
    --ps-danger-deep: #5c1010;
    --ps-info: #5b9bd5;

    /* Tipografia */
    --ps-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --ps-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    /* Raggi, ombre, spazi */
    --ps-radius-sm: 6px;
    --ps-radius: 8px;
    --ps-radius-lg: 12px;
    --ps-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --ps-tap: 44px;            /* tap-target minimo (mobile/TV) */
    --ps-focus: 0 0 0 3px rgba(111, 165, 136, 0.65);
}

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

/* Pagine "documento" (login, config, gestione unità): sfondo e font condivisi.
   Le viste video (player, home, tv-hls) tengono il proprio sfondo nero ma
   ereditano comunque token e componenti. */
.ps-page {
    margin: 0;
    background: var(--ps-bg);
    color: var(--ps-text);
    font-family: var(--ps-font);
    -webkit-text-size-adjust: 100%;
}

/* Focus visibile: indispensabile per la navigazione da TV col telecomando.
   :focus-visible evita di mostrare l'anello sui click del mouse. */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
    outline: none;
    box-shadow: var(--ps-focus);
    border-radius: var(--ps-radius-sm);
}

/* ---------- Barra di navigazione superiore (top-bar unificata) ---------- */
.ps-topbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--ps-bg-2);
    border-bottom: 1px solid var(--ps-line);
}
.ps-topbar .ps-brand {
    display: inline-flex;
    align-items: center;
    font-weight: 700;
    letter-spacing: 0.02em;
    font-size: 16px;
    color: var(--ps-text);
    text-decoration: none;
    padding: 6px 10px 6px 0;
    margin-right: 4px;
}
.ps-topbar .ps-brand b { color: var(--ps-accent-strong); font-weight: 700; }
.ps-topbar .ps-nav {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    color: var(--ps-text);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: var(--ps-radius-sm);
    font-size: 14px;
    opacity: 0.85;
}
.ps-topbar .ps-nav:hover { background: var(--ps-surface-2); opacity: 1; }
.ps-topbar .ps-nav.is-active {
    background: var(--ps-surface-2);
    opacity: 1;
    font-weight: 600;
}
.ps-topbar .ps-spacer { margin-left: auto; }
.ps-topbar .ps-nav--exit { color: #f0b6b3; }
.ps-topbar .ps-nav--exit:hover { background: rgba(217, 83, 79, 0.18); }

/* ---------- Pulsanti ---------- */
.ps-btn {
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
    min-height: var(--ps-tap);
    padding: 11px 18px;
    border: 1px solid transparent;
    border-radius: var(--ps-radius);
    cursor: pointer;
    color: var(--ps-text);
    background: var(--ps-surface-2);
    transition: background 0.15s ease, opacity 0.15s ease, box-shadow 0.15s ease;
}
.ps-btn:hover { background: var(--ps-surface-3); }
.ps-btn:active { transform: translateY(1px); }
.ps-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.ps-btn--primary { background: var(--ps-accent); color: var(--ps-on-accent); border-color: var(--ps-accent); }
.ps-btn--primary:hover { background: var(--ps-accent-strong); }
.ps-btn--ghost { background: transparent; border-color: var(--ps-line); }
.ps-btn--ghost:hover { background: var(--ps-surface-2); }
.ps-btn--danger { background: transparent; color: #f0b6b3; border-color: var(--ps-danger); }
.ps-btn--danger:hover { background: rgba(217, 83, 79, 0.15); }
.ps-btn--danger-solid { background: var(--ps-danger-deep); color: #fff; border-color: #3d0a0a; }
.ps-btn--danger-solid:hover { background: #7a1515; }
.ps-btn--info { background: rgba(91, 155, 213, 0.14); color: #bcd9f5; border-color: rgba(91, 155, 213, 0.5); }
.ps-btn--info:hover { background: rgba(91, 155, 213, 0.24); }

/* ---------- Card / pannelli documento ---------- */
.ps-card {
    background: var(--ps-surface);
    border: 1px solid var(--ps-line);
    border-radius: var(--ps-radius-lg);
    box-shadow: var(--ps-shadow);
    padding: 24px 28px 28px;
}
.ps-card h1 { margin: 0 0 6px; font-size: 1.35rem; font-weight: 600; }
.ps-card .ps-subtitle { margin: 0 0 22px; font-size: 13px; color: var(--ps-muted); }
.ps-card code,
.ps-page code {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--ps-line);
    padding: 1px 5px;
    border-radius: 4px;
    font-family: var(--ps-mono);
    font-size: 0.92em;
}

/* ---------- Campi form (input / select) ---------- */
.ps-input,
.ps-select {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
    color: var(--ps-text);
    background: var(--ps-surface-2);
    border: 1px solid var(--ps-line);
    border-radius: var(--ps-radius-sm);
    min-height: var(--ps-tap);
}
.ps-select { cursor: pointer; }
.ps-input::placeholder { color: var(--ps-muted); opacity: 0.7; }
.ps-input:focus,
.ps-select:focus { outline: none; border-color: var(--ps-accent); }

/* ---------- Selettore unità (decoder + encoder) ---------- */
.unit-selector {
    background-color: var(--ps-surface-2);
    color: var(--ps-text);
    border: 1px solid var(--ps-line);
    padding: 10px 12px;
    border-radius: var(--ps-radius-sm);
    font-size: 13px;
    cursor: pointer;
    max-width: 100%;
    min-height: var(--ps-tap);
}

/* ---------- Toggle profili stream (Full HD / Tablet / Mobile) ---------- */
.stream-toggle-btn {
    background-color: var(--ps-surface-2);
    color: var(--ps-text);
    border: 1px solid var(--ps-line);
    padding: 11px 16px;
    margin: 0;
    cursor: pointer;
    font-size: 13px;
    border-radius: var(--ps-radius-sm);
    min-height: var(--ps-tap);
    opacity: 0.9;
    transition: background 0.15s ease, opacity 0.15s ease, box-shadow 0.15s ease;
}
.stream-toggle-btn:hover { opacity: 1; background-color: var(--ps-surface-3); }
.stream-toggle-btn:active { background-color: var(--ps-accent-press); }
.stream-toggle-btn.active {
    background-color: var(--ps-accent);
    border-color: var(--ps-accent);
    opacity: 1;
    font-weight: 600;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.18);
}

/* ---------- Indicatori di stato (pallino + testo) ---------- */
.stream-status,
.decoder-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--ps-muted);
}
.stream-status .status-dot,
.decoder-status .status-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--ps-warn);
}
.stream-status.connecting .status-dot,
.decoder-status.connecting .status-dot,
.decoder-status.unknown .status-dot { background: var(--ps-warn); }
.stream-status.live .status-dot,
.decoder-status.ok .status-dot { background: var(--ps-ok); }
.stream-status.error .status-dot,
.stream-status.unavailable .status-dot,
.decoder-status.error .status-dot { background: var(--ps-danger); }
/* Lampeggio breve quando il decoder conferma un comando. */
.decoder-status.flash .status-dot {
    box-shadow: 0 0 0 3px rgba(92, 184, 122, 0.35);
    transition: box-shadow 0.2s ease;
}

/* ---------- Lista canali (sidebar) ---------- */
.channel-list { list-style: none; padding: 0; margin: 0; }
.channel-item {
    padding: 12px 10px;
    border-bottom: 1px solid var(--ps-line);
    display: flex;
    align-items: center;
    min-height: var(--ps-tap);
    cursor: pointer;
}
.channel-item:hover { background-color: var(--ps-surface-3); }
.channel-number { font-size: 20px; margin-right: 12px; color: var(--ps-accent-strong); font-variant-numeric: tabular-nums; }
.channel-name { font-size: 16px; }

/* ---------- Pad direzionale del telecomando ---------- */
.nav-pad {
    width: 132px;
    height: 132px;
    min-height: 132px;
    border-radius: 50%;
    border: 2px solid var(--ps-line);
    position: relative;
    margin-bottom: 20px;
}
.nav-pad button {
    width: 44px;
    height: 44px;
    background-color: var(--ps-surface-2);
    color: var(--ps-text);
    border: none;
    position: absolute;
    cursor: pointer;
    font-size: 18px;
}
.nav-pad button:active { background-color: var(--ps-accent-press); }
.nav-pad .up { top: 0; left: 44px; border-radius: var(--ps-radius-sm) var(--ps-radius-sm) 0 0; }
.nav-pad .down { bottom: 0; left: 44px; border-radius: 0 0 var(--ps-radius-sm) var(--ps-radius-sm); }
.nav-pad .left { left: 0; top: 44px; border-radius: var(--ps-radius-sm) 0 0 var(--ps-radius-sm); }
.nav-pad .right { right: 0; top: 44px; border-radius: 0 var(--ps-radius-sm) var(--ps-radius-sm) 0; }
.nav-pad .ok {
    left: 44px; top: 44px;
    background-color: var(--ps-accent);
    color: var(--ps-on-accent);
    font-weight: 600;
}

/* ---------- Pulsanti telecomando ---------- */
.remote-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}
.remote-buttons button {
    background-color: var(--ps-surface-2);
    color: var(--ps-text);
    border: 1px solid var(--ps-line);
    padding: 10px 12px;
    margin: 0;
    min-height: var(--ps-tap);
    min-width: 48px;
    border-radius: var(--ps-radius-sm);
    cursor: pointer;
    font-size: 14px;
}
.remote-buttons button:active { background-color: var(--ps-accent-press); }

/* ---------- Preset encoder (telecomando dedicato) ---------- */
.encoder-preset-row button {
    background-color: var(--ps-accent);
    color: var(--ps-on-accent);
    border: none;
    padding: 11px 16px;
    margin: 0;
    cursor: pointer;
    font-size: 13px;
    min-height: var(--ps-tap);
    border-radius: var(--ps-radius-sm);
    font-weight: 600;
}
.encoder-preset-row button:hover { background-color: var(--ps-accent-strong); }
.encoder-preset-row button:active { background-color: var(--ps-accent-press); }
.encoder-preset-row button:disabled { opacity: 0.6; cursor: wait; }

/* ---------- Pannelli a scomparsa (sidebar canali + telecomando) ---------- */
.close-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 12px;
    width: 40px;
    height: 40px;
    padding: 0;
    background: rgba(255, 255, 255, 0.14);
    border: none;
    border-radius: 50%;
    color: var(--ps-text);
    font-size: 22px;
    cursor: pointer;
    z-index: 10;
}
.close-panel:hover { background: rgba(255, 255, 255, 0.24); }