/* ==========================================================================
   Voice Demo — Vapi Integration Styles
   Ported from descomplicador.pt
   ========================================================================== */

.voice-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.voice-demo .voice-demo-info {
    margin-top: 0;
}

/* Main Button */
.voice-demo-button {
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.voice-demo-button:focus-visible .voice-demo-ring {
    box-shadow: 0 0 0 4px rgba(143, 201, 58, 0.4);
}

.voice-demo-ring {
    width: 140px;
    height: 140px;
    border-radius: var(--border-radius-full);
    border: 3px solid var(--color-gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.voice-demo-button:hover .voice-demo-ring {
    border-color: var(--color-green);
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(143, 201, 58, 0.15);
}

.voice-demo-avatar {
    width: 120px;
    height: 120px;
    border-radius: var(--border-radius-full);
    background: var(--color-gray-800);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.voice-demo-initial {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-green);
    font-family: var(--font-family);
    line-height: 1;
    user-select: none;
}

.voice-demo-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius-full);
}

/* Mic Badge */
.voice-demo-mic-badge {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 44px;
    height: 44px;
    background-color: var(--color-green);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-black);
    box-shadow: 0 4px 12px rgba(143, 201, 58, 0.4);
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.voice-demo-button:hover .voice-demo-mic-badge {
    transform: scale(1.1);
}

/* Info */
.voice-demo-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.voice-demo-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
}

.voice-demo-status {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

/* Audio Waves */
.voice-demo-waves {
    display: none;
    align-items: center;
    gap: 4px;
    height: 0;
    opacity: 0;
    transform: scaleY(0);
    transition: opacity var(--transition-base), transform var(--transition-base), height var(--transition-base), margin var(--transition-base);
    overflow: hidden;
}

.voice-demo-waves span {
    display: block;
    width: 4px;
    height: 100%;
    background-color: var(--color-green);
    border-radius: 2px;
    transform: scaleY(0.15);
}

/* Timer */
.voice-demo-timer {
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity var(--transition-base), transform var(--transition-base), margin var(--transition-base);
    pointer-events: none;
    height: 0;
    overflow: hidden;
}

.voice-demo-timer span {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-green);
    letter-spacing: 0.05em;
}

/* Stop Button */
.voice-demo-stop {
    display: none;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background-color: transparent;
    border: 2px solid var(--color-gray-600);
    border-radius: var(--border-radius-md);
    color: var(--color-gray-400);
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    pointer-events: none;
    overflow: hidden;
}

.voice-demo-stop:hover {
    border-color: #ef4444;
    color: #ef4444;
    background-color: rgba(239, 68, 68, 0.1);
}

/* ---- CONNECTING STATE ---- */
.voice-demo.connecting .voice-demo-ring {
    border-color: var(--color-green);
    animation: voiceRingPulse 1.5s ease-in-out infinite;
}

.voice-demo.connecting .voice-demo-status {
    color: var(--color-green);
}

.voice-demo.connecting .voice-demo-button {
    pointer-events: none;
}

@keyframes voiceRingPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(143, 201, 58, 0.4);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(143, 201, 58, 0);
    }
}

/* ---- ACTIVE STATE ---- */
.voice-demo.active .voice-demo-button,
.voice-demo.active .voice-demo-info {
    display: none;
}

.voice-demo.active .voice-demo-waves {
    display: flex;
    opacity: 1;
    transform: scaleY(1);
    height: 32px;
    overflow: visible;
}

.voice-demo.active .voice-demo-waves span {
    animation: waveBar 1.2s ease-in-out infinite;
}

.voice-demo.active .voice-demo-waves span:nth-child(1) { animation-delay: 0s; }
.voice-demo.active .voice-demo-waves span:nth-child(2) { animation-delay: 0.15s; }
.voice-demo.active .voice-demo-waves span:nth-child(3) { animation-delay: 0.3s; }
.voice-demo.active .voice-demo-waves span:nth-child(4) { animation-delay: 0.15s; }
.voice-demo.active .voice-demo-waves span:nth-child(5) { animation-delay: 0s; }

@keyframes waveBar {
    0%, 100% { transform: scaleY(0.15); }
    50% { transform: scaleY(1); }
}

.voice-demo.active .voice-demo-timer {
    display: block;
    opacity: 1;
    transform: translateY(0);
    height: auto;
    overflow: visible;
}

.voice-demo.active .voice-demo-stop {
    display: inline-flex;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    height: auto;
    padding: 0.75rem 1.5rem;
    border-width: 2px;
    overflow: visible;
}

/* ---- ENDED STATE ---- */
.voice-demo.ended .voice-demo-button,
.voice-demo.ended .voice-demo-info {
    display: none;
}