/* =============================================
   WALKIE TALKIE - Mobile-first dark theme
   ============================================= */

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

:root {
    --bg:           #0a0a0a;
    --bg-elev:      #141414;
    --bg-elev-2:    #1c1c1c;
    --border:       #2a2a2a;
    --text:         #f5f5f5;
    --text-dim:     #a1a1a1;
    --text-faint:   #6b6b6b;

    --accent:       #22c55e;
    --accent-hot:   #16a34a;
    --danger:       #ef4444;
    --danger-hot:   #dc2626;
    --warning:      #f59e0b;
    --info:         #3b82f6;

    --shadow-lg:    0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-md:    0 4px 16px rgba(0, 0, 0, 0.4);

    --safe-top:    env(safe-area-inset-top);
    --safe-bottom: env(safe-area-inset-bottom);
}

html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 Oxygen, Ubuntu, Cantarell, sans-serif;
    overflow: hidden;
    overscroll-behavior: none;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
    outline: none;
}

button:disabled { opacity: 0.5; cursor: not-allowed; }

input {
    font-family: inherit;
    border: 1px solid var(--border);
    background: var(--bg-elev);
    color: var(--text);
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 16px;
    width: 100%;
    outline: none;
    transition: border-color .2s;
}
input:focus { border-color: var(--accent); }

/* ============== SCREENS ============== */
.screen {
    position: fixed;
    inset: 0;
    display: none;
    flex-direction: column;
    padding-top: var(--safe-top);
    padding-bottom: var(--safe-bottom);
}
.screen.active { display: flex; }

/* ============== LOGIN ============== */
#login-screen {
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center, #1a1a1a 0%, #0a0a0a 70%);
    padding: 24px;
}
.login-card {
    width: 100%;
    max-width: 380px;
    text-align: center;
}
.login-card .logo {
    color: var(--accent);
    margin-bottom: 16px;
    filter: drop-shadow(0 0 20px rgba(34, 197, 94, 0.4));
}
.login-card h1 { font-size: 28px; font-weight: 700; margin-bottom: 6px; }
.login-card .tagline { color: var(--text-dim); margin-bottom: 32px; font-size: 14px; }
.login-card form { display: flex; flex-direction: column; gap: 12px; }
.login-card .hint { font-size: 12px; color: var(--text-faint); margin-top: 16px; }

.btn-primary {
    background: var(--accent);
    color: #000;
    padding: 14px 24px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 16px;
    transition: transform .1s, background .2s;
}
.btn-primary:hover { background: var(--accent-hot); }
.btn-primary:active { transform: scale(0.98); }

/* ============== RADIO HEADER ============== */
.radio-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.header-left, .header-right {
    display: flex; align-items: center; gap: 8px;
    min-width: 90px;
}
.header-right { justify-content: flex-end; }
.header-center {
    flex: 1;
    text-align: center;
    font-weight: 600;
    color: var(--text);
}

.status-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--text-faint);
    transition: background .3s;
}
.status-dot.online   { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.status-dot.connecting { background: var(--warning); animation: pulse 1.5s infinite; }
.status-dot.offline  { background: var(--danger); }

#connection-text { font-size: 12px; color: var(--text-dim); }

.icon-btn {
    position: relative;
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: background .2s;
}
.icon-btn:hover { background: var(--bg-elev-2); }
.icon-btn .badge {
    position: absolute;
    top: 0; right: 0;
    background: var(--accent);
    color: #000;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

/* ============== SPEAKER INFO ============== */
.speaker-info {
    background: linear-gradient(180deg, var(--bg-elev) 0%, var(--bg) 100%);
    padding: 24px 16px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    transition: background .3s;
}
.speaker-info.active {
    background: linear-gradient(180deg, rgba(34,197,94,0.15) 0%, var(--bg) 100%);
    box-shadow: inset 0 0 60px rgba(34,197,94,0.1);
}
.speaker-info.priority {
    background: linear-gradient(180deg, rgba(245,158,11,0.15) 0%, var(--bg) 100%);
}
.speaker-status {
    font-size: 11px;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 6px;
}
.speaker-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
}

/* Audio meter / barras */
.audio-meter {
    display: flex; justify-content: center;
    height: 40px;
}
.audio-bars {
    display: flex; align-items: center;
    gap: 3px;
    height: 100%;
}
.audio-bars span {
    width: 4px;
    height: 8px;
    background: var(--border);
    border-radius: 2px;
    transition: height .1s ease, background .1s;
}
.speaker-info.active .audio-bars span {
    background: var(--accent);
    animation: audio-anim 0.6s infinite ease-in-out;
}
.audio-bars span:nth-child(1) { animation-delay: -0.6s; }
.audio-bars span:nth-child(2) { animation-delay: -0.5s; }
.audio-bars span:nth-child(3) { animation-delay: -0.4s; }
.audio-bars span:nth-child(4) { animation-delay: -0.3s; }
.audio-bars span:nth-child(5) { animation-delay: -0.2s; }
.audio-bars span:nth-child(6) { animation-delay: -0.1s; }
.audio-bars span:nth-child(7) { animation-delay: -0.05s; }
.audio-bars span:nth-child(8) { animation-delay: -0.15s; }
.audio-bars span:nth-child(9) { animation-delay: -0.25s; }
.audio-bars span:nth-child(10){ animation-delay: -0.35s; }

@keyframes audio-anim {
    0%, 100% { height: 8px; }
    50%      { height: 32px; }
}

.talk-timer {
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-dim);
    font-variant-numeric: tabular-nums;
    height: 16px;
}

/* ============== QUEUE ============== */
.queue-display {
    padding: 12px 16px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.queue-display::-webkit-scrollbar { display: none; }
.queue-label {
    font-size: 11px;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 1px;
    flex-shrink: 0;
}
.queue-list {
    display: flex; gap: 8px;
    flex: 1;
}
.queue-empty {
    color: var(--text-faint);
    font-size: 13px;
    font-style: italic;
}
.queue-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-elev-2);
    padding: 6px 10px;
    border-radius: 16px;
    font-size: 13px;
    flex-shrink: 0;
    border: 1px solid var(--border);
}
.queue-item.priority {
    background: rgba(245,158,11,0.15);
    border-color: var(--warning);
    color: var(--warning);
    animation: pulse-warning 2s infinite;
}
.queue-item.is-me {
    background: rgba(34,197,94,0.15);
    border-color: var(--accent);
    color: var(--accent);
}
.queue-avatar {
    width: 18px; height: 18px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 10px;
    color: #000;
    font-weight: 700;
}

@keyframes pulse-warning {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0.4); }
    50%      { box-shadow: 0 0 0 6px rgba(245,158,11,0); }
}

/* ============== PTT BUTTON ============== */
.ptt-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.ptt-button {
    position: relative;
    width: min(72vw, 280px);
    height: min(72vw, 280px);
    max-width: 280px;
    max-height: 280px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform .1s ease;
    flex-shrink: 0;
    /* Segurar p/ falar não deve rolar a tela, selecionar texto ou abrir menu */
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.ptt-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent, rgba(34,197,94,0.2), transparent);
    animation: ring-rotate 4s linear infinite;
    pointer-events: none;
    opacity: 0.5;
}

.ptt-inner {
    position: relative;
    width: calc(100% - 16px);
    height: calc(100% - 16px);
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #2a2a2a, #0f0f0f);
    border: 4px solid #333;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    box-shadow:
        inset 0 -10px 30px rgba(0,0,0,0.5),
        inset 0 10px 30px rgba(255,255,255,0.05),
        var(--shadow-lg);
    color: var(--text-dim);
    transition: all .15s ease;
}

.ptt-inner svg { margin-bottom: 8px; }
.ptt-label {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 3px;
}

/* PTT pressed (eu falando) */
.ptt-button.pressed .ptt-inner {
    background: radial-gradient(circle at 30% 30%, #16a34a, #064e3b);
    border-color: var(--accent);
    color: #fff;
    box-shadow:
        inset 0 -10px 30px rgba(0,0,0,0.6),
        inset 0 10px 30px rgba(255,255,255,0.1),
        0 0 60px rgba(34,197,94,0.6),
        var(--shadow-lg);
    transform: scale(0.96);
}
.ptt-button.pressed .ptt-ring {
    background: conic-gradient(from 0deg, var(--accent), transparent, var(--accent));
    opacity: 1;
    animation-duration: 1s;
}

/* PTT em fila */
.ptt-button.queued .ptt-inner {
    background: radial-gradient(circle at 30% 30%, #b45309, #451a03);
    border-color: var(--warning);
    color: #fff;
}

/* PTT outro está falando */
.ptt-button.locked .ptt-inner {
    background: radial-gradient(circle at 30% 30%, #1f1f1f, #0a0a0a);
    border-color: #444;
    color: var(--text-faint);
    cursor: not-allowed;
}

@keyframes ring-rotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.ptt-hint {
    margin-top: 16px;
    font-size: 12px;
    color: var(--text-faint);
    text-align: center;
    height: 16px;
}

/* ============== ATTENTION BUTTON ============== */
.attention-container {
    padding: 12px 16px 20px;
    flex-shrink: 0;
}
.attention-button {
    width: 100%;
    background: linear-gradient(180deg, var(--danger) 0%, var(--danger-hot) 100%);
    color: #fff;
    padding: 14px 20px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.4);
    transition: transform .1s, box-shadow .2s;
}
.attention-button:hover  { box-shadow: 0 6px 20px rgba(239, 68, 68, 0.5); }
.attention-button:active { transform: scale(0.98); }
.attention-button:disabled {
    background: var(--bg-elev-2);
    color: var(--text-faint);
    box-shadow: none;
}
.cooldown-text { margin-left: 6px; font-weight: 400; opacity: 0.85; }

/* ============== USERS SIDE PANEL ============== */
.side-panel {
    position: fixed;
    top: 0; right: 0;
    width: min(320px, 85vw);
    height: 100%;
    background: var(--bg-elev);
    border-left: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform .25s ease;
    z-index: 100;
    padding-top: var(--safe-top);
    box-shadow: -8px 0 24px rgba(0,0,0,0.4);
}
.side-panel.open { transform: translateX(0); }

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--border);
}
.panel-header h3 { font-size: 16px; }

.users-list { list-style: none; padding: 8px; overflow-y: auto; max-height: calc(100vh - 80px); }
.users-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 4px;
}
.users-list li:hover { background: var(--bg-elev-2); }
.user-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    color: #000;
    flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-info .name {
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.user-info .status {
    font-size: 11px;
    color: var(--text-faint);
}
.user-status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}

/* ============== ATTENTION OVERLAY ============== */
.attention-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 24px;
}
.attention-overlay.show { display: flex; animation: overlay-fade-in .2s ease; }
.attention-card {
    background: linear-gradient(180deg, #1a1a1a, #0a0a0a);
    border: 2px solid var(--warning);
    border-radius: 24px;
    padding: 36px 28px;
    text-align: center;
    max-width: 400px;
    width: 100%;
    box-shadow:
        0 0 80px rgba(245, 158, 11, 0.5),
        var(--shadow-lg);
    animation: alert-shake .5s ease, alert-glow 1.2s ease infinite;
}
.attention-card .alert-icon {
    color: var(--warning);
    margin-bottom: 16px;
    animation: blink-warning 0.6s ease infinite;
    filter: drop-shadow(0 0 12px var(--warning));
}
.attention-card h2 {
    font-size: 24px;
    color: var(--warning);
    margin-bottom: 8px;
    letter-spacing: 2px;
}
.attention-card p {
    font-size: 18px;
    color: var(--text);
}

@keyframes overlay-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes alert-shake {
    0%,100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-8px); }
    40%, 80% { transform: translateX(8px); }
}
@keyframes alert-glow {
    0%, 100% { box-shadow: 0 0 80px rgba(245, 158, 11, 0.5); }
    50%      { box-shadow: 0 0 120px rgba(245, 158, 11, 0.8); }
}
@keyframes blink-warning {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.5; transform: scale(0.95); }
}

/* ============== TOAST ============== */
.toast-container {
    position: fixed;
    bottom: calc(20px + var(--safe-bottom));
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 300;
    pointer-events: none;
    width: min(90%, 400px);
}
.toast {
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    box-shadow: var(--shadow-md);
    animation: toast-in .3s ease;
    pointer-events: auto;
}
.toast.success { border-color: var(--accent); }
.toast.error   { border-color: var(--danger); }
.toast.warning { border-color: var(--warning); }
.toast.info    { border-color: var(--info); }

@keyframes toast-in {
    from { transform: translateY(20px); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}

/* ============== UTILITIES ============== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
}

/* Vibrate animation when receiving alert */
.shake-screen {
    animation: alert-shake .5s ease 2;
}

/* ============== Responsive ============== */
@media (min-width: 768px) {
    .ptt-button { width: 280px; height: 280px; }
    .speaker-name { font-size: 28px; }
}

@media (max-height: 640px) {
    .speaker-info { padding: 14px; }
    .speaker-name { font-size: 18px; margin-bottom: 8px; }
    .audio-meter { height: 28px; }
    .ptt-button { width: 200px; height: 200px; }
}

/* High contrast / a11y */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============== CONVERSA PRIVADA + VOLUME ============== */

/* Banner: estou num canal privado */
.private-banner,
.private-incoming {
    display: none;
    margin: 8px 16px 0;
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 13px;
    text-align: center;
}
.private-banner.show,
.private-incoming.show { display: block; }

.private-banner {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid var(--info);
    color: #cfe0ff;
}
.private-incoming {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid var(--accent);
    color: #d6ffe6;
    animation: pulse-priv 1s ease-in-out infinite;
}
@keyframes pulse-priv {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.55; }
}
.private-close {
    margin-left: 8px;
    background: var(--info);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 2px 10px;
    font-size: 12px;
    cursor: pointer;
}

/* PTT em modo privado */
.ptt-button.private .ptt-inner {
    border-color: var(--info);
    box-shadow: 0 0 24px rgba(59, 130, 246, 0.45);
}
.ptt-button.private.pressed .ptt-ring {
    background: conic-gradient(from 0deg, var(--info), transparent, var(--info));
}

/* Lista de usuários clicável p/ privado */
.users-list li.clickable { cursor: pointer; }
.users-list li .user-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.users-list li .user-priv { opacity: .55; font-size: 15px; }
.users-list li.clickable:hover .user-priv { opacity: 1; }
.users-list li.private-active {
    background: rgba(59, 130, 246, 0.18);
    outline: 1px solid var(--info);
}
.user-status.on {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent); flex-shrink: 0;
}

.panel-hint {
    padding: 4px 16px 0;
    font-size: 12px;
    color: var(--text-faint);
}

/* Controle de volume */
.volume-control {
    padding: 14px 16px calc(16px + var(--safe-bottom));
    border-top: 1px solid var(--border);
}
.volume-control label {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 8px;
}
.volume-control #volume-value { color: var(--accent); font-weight: 700; }
.volume-control input[type="range"] {
    width: 100%;
    accent-color: var(--accent);
}

.volume-note {
    display: block;
    margin-top: 6px;
    font-size: 11px;
    color: var(--text-faint);
}

.app-version {
    margin-top: 18px;
    font-size: 11px;
    color: var(--text-faint);
    letter-spacing: 1px;
}

/* ============== CHAT PRIVADO (bottom sheet) ============== */
.badge-msg { background: var(--info); color: #fff; right: auto; left: 0; }

.user-unread {
    background: var(--info);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.private-chat {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 120;
    background: var(--bg-elev);
    border-top: 1px solid var(--info);
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    height: min(62vh, 520px);
    transform: translateY(110%);
    transition: transform .25s ease;
    padding-bottom: var(--safe-bottom);
}
.private-chat.open { transform: translateY(0); }

.pc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.pc-title { font-weight: 600; font-size: 15px; }
.pc-actions { display: flex; gap: 4px; }

.pc-messages {
    flex: 1;
    overflow-y: auto;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.pc-msg {
    max-width: 78%;
    padding: 8px 12px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.35;
    word-break: break-word;
    display: flex;
    flex-direction: column;
}
.pc-msg.mine {
    align-self: flex-end;
    background: var(--accent-hot);
    color: #fff;
    border-bottom-right-radius: 4px;
}
.pc-msg.theirs {
    align-self: flex-start;
    background: var(--bg-elev-2);
    color: var(--text);
    border-bottom-left-radius: 4px;
}
.pc-meta {
    font-size: 10px;
    opacity: 0.7;
    margin-top: 3px;
    align-self: flex-end;
}

.pc-form {
    display: flex;
    gap: 8px;
    padding: 10px 12px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}
.pc-form input {
    flex: 1;
    padding: 12px 14px;
    font-size: 16px; /* >=16px evita zoom no iOS */
}
.pc-send {
    width: 48px;
    flex-shrink: 0;
    background: var(--info);
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pc-send:active { transform: scale(0.96); }

/* ---- Recado de voz ---- */
.pc-rec {
    width: 46px;
    flex-shrink: 0;
    background: var(--bg-elev-2);
    color: var(--text);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
}
.pc-rec.recording {
    background: var(--danger);
    color: #fff;
    animation: pulse 1s infinite;
}
.pc-recording {
    display: none;
    padding: 8px 14px;
    color: var(--danger);
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    border-top: 1px solid var(--border);
}
.pc-recording.show { display: block; }

.pc-audio {
    display: flex;
    align-items: center;
    gap: 6px;
}
.pc-audio audio {
    height: 34px;
    max-width: 200px;
}
.pc-dur { opacity: 0.8; font-size: 11px; }

/* ---- Selo de verificado (master/dev) ---- */
.verified-badge {
    display: inline-block;
    vertical-align: -2px;
    margin-left: 1px;
    flex-shrink: 0;
}

/* Chat privado em tela cheia */
.private-chat.maximized {
    height: 100%;
    top: 0;
    border-radius: 0;
    padding-top: var(--safe-top);
}

/* ============== LIGAÇÃO AO VIVO ============== */
.call-bar {
    position: fixed;
    left: 0; right: 0;
    top: var(--safe-top);
    z-index: 130;
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 16px;
    background: var(--accent-hot);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}
.call-bar.show { display: flex; }
.call-hangup {
    background: var(--danger);
    color: #fff;
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

.call-incoming {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.85);
    padding: 24px;
}
.call-incoming.show { display: flex; }
.call-card { text-align: center; color: var(--text); max-width: 340px; }
.call-card h2 { margin: 16px 0 4px; font-size: 20px; }
.call-card p { color: var(--text-dim); font-size: 18px; margin-bottom: 28px; }
.call-pulse {
    width: 96px; height: 96px;
    margin: 0 auto;
    border-radius: 50%;
    background: var(--accent);
    color: #042;
    display: flex; align-items: center; justify-content: center;
    animation: pulse 1.2s infinite;
}
.call-actions { display: flex; gap: 16px; justify-content: center; }
.call-btn {
    flex: 1;
    max-width: 140px;
    padding: 14px 0;
    border-radius: 12px;
    font-weight: 700;
    font-size: 15px;
    color: #fff;
}
.call-btn.accept { background: var(--accent); color: #042; }
.call-btn.decline { background: var(--danger); }
.call-btn:active { transform: scale(0.97); }

.call-speaker {
    background: rgba(255,255,255,0.18);
    color: #fff;
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.call-speaker.active { background: #fff; color: var(--accent-hot); }

/* ============== TELA DE CONVERSAS (WhatsApp-like) ============== */
.contacts-body {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.channel-card {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    text-align: left;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elev);
}
.channel-card:active { background: var(--bg-elev-2); }
.channel-avatar {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: var(--accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    flex-shrink: 0;
}
.channel-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.channel-info strong { font-size: 16px; }
.channel-info small { color: var(--text-dim); font-size: 12.5px; }
.channel-count { font-size: 12px; color: var(--accent); flex-shrink: 0; }

.contacts-section {
    padding: 12px 16px 6px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-faint);
}
.contacts-list { list-style: none; }
.contacts-empty { padding: 16px; color: var(--text-faint); font-size: 14px; }
.contact-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
}
.contact-row:active { background: var(--bg-elev-2); }
.contact-avatar {
    width: 48px; height: 48px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; color: #000;
    flex-shrink: 0;
}
.contact-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.contact-name {
    font-size: 16px; font-weight: 600;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.contact-sub { font-size: 13px; color: var(--text-dim); }

/* ============== CHAMADA DE VÍDEO ============== */
.video-call {
    position: fixed;
    inset: 0;
    z-index: 210;
    display: none;
    background: #000;
}
.video-call.show { display: block; }
.video-remote {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #000;
}
.video-local {
    position: absolute;
    top: calc(12px + var(--safe-top));
    right: 12px;
    width: 30vw;
    max-width: 130px;
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: 12px;
    border: 2px solid rgba(255,255,255,0.6);
    background: #111;
    z-index: 2;
    transform: scaleX(-1); /* espelha o preview local */
}
.video-top {
    position: absolute;
    top: calc(12px + var(--safe-top));
    left: 16px;
    z-index: 2;
    color: #fff;
    font-weight: 600;
    font-size: 17px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.7);
}
.video-controls {
    position: absolute;
    left: 0; right: 0;
    bottom: calc(28px + var(--safe-bottom));
    z-index: 2;
    display: flex;
    justify-content: center;
    gap: 22px;
}
.vc-btn {
    width: 60px; height: 60px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    backdrop-filter: blur(4px);
}
.vc-btn:active { transform: scale(0.94); }
.vc-btn.off { background: #fff; color: #000; }
.vc-btn.hangup { background: var(--danger); }

/* ============== BLUR DE PRIVACIDADE (perda de foco) ============== */
.blur-guard {
    position: fixed;
    inset: 0;
    z-index: 10001;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 10, 0.55);
    -webkit-backdrop-filter: blur(22px);
    backdrop-filter: blur(22px);
    color: #fff;
    text-align: center;
}
.blur-guard.show { display: flex; }
.blur-guard-card p { font-size: 18px; font-weight: 600; margin-top: 10px; }
.blur-guard-card small { color: var(--text-dim); }