/* ==========================================================================
   CYRANDEIRO FORRÓ HERO
   Design System & Premium Aesthetics (Dark Mode + Gold DNA)
   ========================================================================== */

:root {
    --bg-primary: #0a0b0e;
    --bg-surface: rgba(18, 20, 26, 0.75);
    --bg-panel: rgba(26, 29, 38, 0.85);
    --gold-primary: #FFD700;
    --gold-glow: rgba(255, 215, 0, 0.4);
    --gold-gradient: linear-gradient(135deg, #FFD700 0%, #F3A953 100%);
    --accent-red: #FF3B30;
    --accent-red-glow: rgba(255, 59, 48, 0.5);
    --text-primary: #FFFFFF;
    --text-secondary: #A0A5B5;
    --border-glass: rgba(255, 255, 255, 0.12);
    --border-gold: rgba(255, 215, 0, 0.35);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    /* O JS precisa saber se os controles estão na base (celular) ou nas laterais
       (desktop) para posicionar os pés. Lê daqui em vez de repetir o breakpoint em
       matchMedia: o ponto de corte fica definido num lugar só. */
    --deck-lateral: 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    /* dvh e não vh: no iOS a barra do Safari entra na conta do vh, então o rodapé
       nascia abaixo da dobra e, com overflow hidden no body, não havia como alcançá-lo
       — era esse o "scroll não funciona". Quem rola agora é só o deck, por dentro. */
    height: 100vh;
    height: 100dvh;
    width: 100vw;
    overflow: hidden;
}

/* --- 1. Top Brand Header --- */
/* Header e deck flutuam SOBRE a câmera em vez de dividir a altura com ela: é o que
   deixa o quadro de vídeo ocupar a tela inteira em 9:16. */
.top-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    padding: 0 24px;
    padding-top: env(safe-area-inset-top);
    box-sizing: content-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(180deg, rgba(8, 10, 14, 0.92) 0%, rgba(8, 10, 14, 0.55) 70%, rgba(8, 10, 14, 0) 100%);
    z-index: 50;
    pointer-events: none;
}

.top-header > * {
    pointer-events: auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 3px;
    background: linear-gradient(180deg, #F5D77F 0%, #C4973B 50%, #6E5014 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.9));
}

.tagline {
    font-size: 11px;
    color: #8E94A5;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    padding: 6px 14px;
    border-radius: 50px;
    border: 1px solid var(--border-glass);
    font-size: 12px;
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #34C759;
    box-shadow: 0 0 8px #34C759;
}

/* --- 2. Main Viewport Container (Camera + Canvas) --- */
/* Tela cheia de verdade. Antes era uma caixa de `100vh - 64px - 140px`, que num
   celular dá algo quase quadrado — daí o preview parecer cortado mesmo com a câmera
   entregando 9:16. */
.viewport-container {
    position: fixed;
    inset: 0;
    background: #000;
    overflow: hidden;
    z-index: 1;
}

#cameraStream {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 10;
}

#overlayCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 20;
    pointer-events: none; /* Allows clicks to pass through if needed */
}

/* Countdown Overlay */
.countdown-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 40;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.2s ease;
}

.countdown-number {
    font-family: var(--font-heading);
    font-size: 160px;
    font-weight: 900;
    color: var(--gold-primary);
    text-shadow: 0 0 40px var(--gold-glow);
    animation: scalePulse 0.9s infinite cubic-bezier(0.1, 0.8, 0.3, 1);
}

@keyframes scalePulse {
    0% { transform: scale(1.4); opacity: 0; }
    30% { transform: scale(1); opacity: 1; }
    80% { transform: scale(0.95); opacity: 1; }
    100% { transform: scale(0.8); opacity: 0; }
}

/* Recording Badge */
.recording-badge {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 59, 48, 0.9);
    padding: 8px 18px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1px;
    box-shadow: 0 0 20px var(--accent-red-glow);
    z-index: 30;
}

.rec-dot {
    width: 10px;
    height: 10px;
    background: #FFF;
    border-radius: 50%;
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.hidden {
    display: none !important;
}

/* --- 3. Interactive Floating Control Deck (Glassmorphism) --- */
.control-deck {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: 62dvh;
    overflow-y: auto;
    /* Sem isto, chegar ao fim da rolagem do deck passa o gesto adiante e o Safari
       arrasta a página inteira (efeito elástico com a câmera saindo do lugar). */
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    background: rgba(6, 8, 12, 0.92);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    border-top: 1px solid rgba(255, 215, 0, 0.2);
    padding: 0 24px 14px;
    padding-bottom: calc(14px + env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: 1fr 1.3fr 1fr;
    gap: 18px;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.7);
    z-index: 50;
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Punho da gaveta --- */
.deck-handle {
    grid-column: 1 / -1;
    position: sticky;
    top: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    width: 100%;
    padding: 10px 0 8px;
    margin: 0;
    background: linear-gradient(180deg, rgba(6, 8, 12, 0.98) 60%, rgba(6, 8, 12, 0) 100%);
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
}

.handle-bar {
    width: 42px;
    height: 4px;
    border-radius: 3px;
    background: rgba(255, 215, 0, 0.55);
}

/* Recolhido: some tudo menos gravar, e o deck encosta no rodapé como uma barra fina */
.control-deck.is-collapsed {
    grid-template-columns: 1fr;
}

.control-deck.is-collapsed .audio-panel,
.control-deck.is-collapsed .visual-panel {
    display: none;
}

/* --- Gavetas laterais ---
   Fora do desktop os invólucros somem do layout: os painéis voltam a ser filhos
   diretos do grid do deck e o celular fica exatamente como estava. `order` repõe a
   sequência 1-2-3, já que no HTML o bloco 3 vem antes do 2 para poder morar na
   gaveta da esquerda. */
.dock,
.dock-body {
    display: contents;
}

.dock-tab {
    display: none;
}

.audio-panel  { order: 1; }
.visual-panel { order: 2; }
.action-panel { order: 3; }
.deck-handle  { order: 0; }

.control-panel {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.control-panel:hover {
    border-color: rgba(255, 215, 0, 0.25);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #9CA3AF;
}

/* Audio Selector & BPM */
.styled-select {
    width: 100%;
    background: rgba(15, 18, 25, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #FFFFFF;
    padding: 8px 12px;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 12.5px;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.styled-select:focus {
    border-color: #FFD700;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.2);
}

/* Bloco que substitui as trilhas de treino quando o usuário carrega a própria música */
.faixa-carregada {
    margin-top: 8px;
    padding: 9px 11px;
    border: 1px solid rgba(255, 215, 0, 0.28);
    border-radius: 10px;
    background: rgba(255, 215, 0, 0.06);
}

.faixa-bpm {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    line-height: 1.35;
}

.faixa-bpm b {
    font-family: var(--font-heading);
    color: var(--gold-primary);
    font-size: 14px;
}

/* Controle discreto de velocidade: multiplicador entre os dois passos */
.multiplicador {
    flex: 1;
    text-align: center;
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 800;
    color: var(--gold-primary);
    letter-spacing: 1px;
}

.base-info {
    margin-top: 6px;
    font-size: 10.5px;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
}

.btn-icon:disabled {
    opacity: 0.3;
    cursor: default;
}

.btn-icon:disabled:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    color: #FFFFFF;
    box-shadow: none;
}

.link-voltar {
    margin-top: 8px;
    padding: 0;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 11px;
    text-decoration: underline;
    cursor: pointer;
}

.link-voltar:hover {
    color: var(--gold-primary);
}

.bpm-display {
    font-family: var(--font-heading);
    color: #FFD700;
    font-weight: 800;
    font-size: 16px;
    letter-spacing: 0.5px;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.bpm-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.styled-slider {
    flex: 1;
    accent-color: #FFD700;
    cursor: pointer;
}

.btn-icon, .btn-tap {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #FFFFFF;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-tap {
    background: rgba(255, 215, 0, 0.12);
    border-color: rgba(255, 215, 0, 0.4);
    color: #FFD700;
}

.btn-icon:hover, .btn-tap:hover {
    background: #FFD700;
    border-color: #FFD700;
    color: #000000;
    box-shadow: 0 0 12px rgba(255, 215, 0, 0.4);
}

/* Mode Buttons */
/* 2 colunas em todo lugar: as 4 colunas só faziam sentido quando o deck era uma
   barra larga na base. Numa gaveta de 320px o rótulo por extenso não cabe. */
.mode-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 10px;
    align-items: stretch;
}

.btn-mode {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 8px 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
    color: var(--text-secondary);
}

.mode-icon {
    font-size: 18px;
}

.mode-label {
    font-size: 11px;
    font-weight: 600;
}

.btn-mode:hover {
    border-color: rgba(255, 215, 0, 0.5);
    color: var(--text-primary);
}

.btn-mode.active {
    background: var(--gold-gradient);
    color: #000;
    border-color: transparent;
    box-shadow: 0 0 15px var(--gold-glow);
    font-weight: 700;
    transform: translateY(-2px);
}

/* Action Panel Buttons */
.action-panel {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 10px;
    padding: 10px !important;
}

.btn-action {
    border: none;
    border-radius: var(--radius-sm);
    /* O deck deixou de ter altura fixa (155px) quando virou sobreposto, então os
       botões precisam do próprio respiro em vez de serem esticados pelo pai. */
    padding: 13px 14px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-test {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
}

.btn-test:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-record {
    background: var(--accent-red);
    color: #FFF;
    box-shadow: 0 0 20px var(--accent-red-glow);
}

.btn-record:hover {
    background: #FF2419;
    transform: scale(1.02);
}

.btn-record.is-recording {
    background: #FFF;
    color: #000;
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.6);
}

/* --- 4. Modal Styles --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.glass-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.glass-card h2 {
    font-family: var(--font-heading);
    color: var(--gold-primary);
    margin-bottom: 8px;
}

.glass-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.video-preview-wrapper {
    width: 100%;
    max-height: 350px;
    background: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 24px;
    border: 1px solid var(--border-glass);
}

.video-preview-wrapper video {
    width: 100%;
    height: 100%;
    max-height: 350px;
}

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

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background: var(--gold-gradient);
    color: #000;
    box-shadow: 0 0 20px var(--gold-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #FFF;
    border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* --- 5. Desktop: gavetas laterais retráteis ---
   O deck deixa de existir como caixa (display:contents) e os dois invólucros viram
   gavetas fixas nas laterais: áudio + ações à esquerda, marcação à direita. A base
   do quadro fica livre, que é onde os pés são desenhados.

   Corte em 1024 e não em 769: as duas gavetas somam 708px, e numa janela de 769 a
   folga central cai para 61px — estreita demais para os pés (~81px de largura cada),
   que ficariam por baixo do vidro. Entre 769 e 1023 vale a barra inferior de sempre. */
@media (min-width: 1024px) {
    :root {
        --deck-lateral: 1;
    }

    .control-deck {
        display: contents;
    }

    .deck-handle {
        display: none;
    }

    .dock {
        display: flex;
        align-items: flex-start;
        position: fixed;
        top: calc(64px + 18px);
        z-index: 50;
        transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .dock-left { left: 0; }
    .dock-right { right: 0; }

    .dock-body {
        display: flex;
        flex-direction: column;
        gap: 14px;
        width: 328px;
        padding: 16px;
        max-height: calc(100dvh - 64px - 54px);
        overflow-y: auto;
        overscroll-behavior: contain;
        background: rgba(6, 8, 12, 0.92);
        backdrop-filter: blur(28px) saturate(180%);
        -webkit-backdrop-filter: blur(28px) saturate(180%);
        border: 1px solid rgba(255, 215, 0, 0.2);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
    }

    .dock-left .dock-body {
        border-left: none;
        border-radius: 0 18px 18px 0;
    }

    .dock-right .dock-body {
        border-right: none;
        border-radius: 18px 0 0 18px;
    }

    /* A aba fica na borda interna porque é ela que sobra na tela quando a gaveta
       recolhe — o deslocamento é a largura toda menos a da aba. */
    .dock-tab {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 26px;
        height: 66px;
        margin-top: 20px;
        padding: 0;
        border: 1px solid rgba(255, 215, 0, 0.22);
        background: rgba(6, 8, 12, 0.92);
        backdrop-filter: blur(28px);
        -webkit-backdrop-filter: blur(28px);
        color: var(--gold-primary);
        font-size: 22px;
        line-height: 1;
        cursor: pointer;
        transition: background 0.2s ease, color 0.2s ease;
    }

    .dock-left .dock-tab {
        border-left: none;
        border-radius: 0 12px 12px 0;
    }

    .dock-right .dock-tab {
        border-right: none;
        border-radius: 12px 0 0 12px;
    }

    .dock-tab:hover {
        background: var(--gold-primary);
        color: #000;
    }

    .dock-left.is-closed { transform: translateX(calc(-100% + 26px)); }
    .dock-right.is-closed { transform: translateX(calc(100% - 26px)); }

    .dock-tab-arrow {
        display: block;
        transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .dock.is-closed .dock-tab-arrow {
        transform: rotate(180deg);
    }

    /* Empilhado: lado a lado dentro de 328px os dois rótulos ficam apertados. */
    .action-panel {
        grid-template-columns: 1fr;
    }
}

/* --- 6. Mobile Responsiveness --- */
@media (max-width: 768px) {
    .top-header {
        height: 56px;
        padding: 0 14px;
    }

    .brand-title {
        font-size: 16px;
        letter-spacing: 2px;
    }

    .tagline {
        font-size: 9.5px;
        letter-spacing: 1px;
    }

    .status-badge {
        padding: 4px 10px;
        font-size: 11px;
    }

    .control-deck {
        grid-template-columns: 1fr;
        max-height: 58dvh;
        gap: 10px;
        padding: 0 14px 12px;
        padding-bottom: calc(12px + env(safe-area-inset-bottom));
        border-radius: 20px 20px 0 0;
    }

    .control-panel {
        padding: 10px 12px;
        border-radius: 12px;
    }

    .mode-buttons {
        gap: 6px;
    }

    .btn-mode {
        flex-direction: row;
        gap: 6px;
        padding: 9px 6px;
    }

    .mode-icon {
        font-size: 13px;
    }

    .mode-label {
        font-size: 11.5px;
    }

    .action-panel {
        flex-direction: row;
        gap: 8px;
    }

    .btn-action {
        padding: 12px 10px;
        font-size: 12px;
    }

    .glass-card {
        padding: 20px 16px;
    }
}