/* VCloud AI Agent — Frontend Styles */

.vcai-container {
    display: flex;
}

/* ── Inline Call Button ── */

.vcai-call-btn {
    color: var(--vc-btn-color, #fff);
    background: var(--vc-btn-bg, #10b981);
    font-size: var(--vc-btn-fs, 16px);
    font-weight: var(--vc-btn-fw, 600);
    border-radius: var(--vc-btn-radius, 12px);
    padding: var(--vc-btn-padding, 12px 24px);
    border: var(--vc-btn-border-width, 0) solid var(--vc-btn-border-color, transparent);
    box-shadow: var(--vc-btn-shadow, 0 4px 14px rgba(16,185,129,0.25));
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    font-family: inherit;
    line-height: 1.4;
}

.vcai-call-btn:hover {
    background: var(--vc-btn-hover-bg, #059669);
    transform: translateY(-1px);
}

.vcai-call-btn:active {
    transform: translateY(0);
}

.vcai-btn-icon {
    flex-shrink: 0;
}

/* ── Overlay ── */

.vcai-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--vc-overlay-bg, rgba(0,0,0,0.85));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.vcai-overlay.active {
    display: flex;
    opacity: 1;
}

.vcai-overlay.fade-out {
    opacity: 0;
}

/* ── Call Card ── */

.vcai-call-card {
    background: var(--vc-card-bg, #fff);
    border-radius: var(--vc-card-radius, 24px);
    max-width: var(--vc-card-max-w, 480px);
    width: 90%;
    padding: var(--vc-card-padding, 40px);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    position: relative;
    animation: vcaiSlideUp 0.35s ease;
}

@keyframes vcaiSlideUp {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.vcai-card-header {
    text-align: center;
}

.vcai-title {
    margin: 0 0 4px;
    font-size: var(--vc-title-fs, 24px);
    color: var(--vc-title-color, #171717);
    font-weight: 700;
    line-height: 1.3;
}

.vcai-subtitle {
    margin: 0;
    font-size: var(--vc-subtitle-fs, 14px);
    color: var(--vc-subtitle-color, #737373);
    line-height: 1.5;
}

/* ── Round Call / Hangup Buttons ── */

.vcai-call-area {
    display: flex;
    justify-content: center;
}

.vcai-round-btn-wrap {
    position: relative;
}

.vcai-start-btn,
.vcai-hangup-btn {
    width: var(--vc-call-size, 112px);
    height: var(--vc-call-size, 112px);
    border-radius: 50%;
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, box-shadow 0.2s;
    font-size: 0;
}

.vcai-start-btn {
    background: var(--vc-call-color, #10b981);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.35);
}

.vcai-start-btn:hover {
    transform: scale(1.06);
    box-shadow: 0 12px 40px rgba(16, 185, 129, 0.45);
}

.vcai-hangup-btn {
    background: var(--vc-hangup-color, #ef4444);
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.35);
}

.vcai-hangup-btn:hover {
    transform: scale(1.06);
    box-shadow: 0 12px 40px rgba(239, 68, 68, 0.45);
}

/* ── Spinner ── */

.vcai-spinner {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.vcai-spinner svg {
    color: var(--vc-spinner-color, #fff);
    animation: vcaiSpin 0.8s linear infinite;
}

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

/* ── Waveform ── */

.vcai-wave-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: var(--vc-wave-h, 40px);
}

.vcai-wave-bar {
    width: 4px;
    border-radius: 2px;
    background: var(--vc-wave-idle, rgba(0,0,0,0.15));
    height: 15%;
    transition: height 0.08s ease, background 0.2s;
    transform-origin: center;
}

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

/* ── Mic Selector ── */

.vcai-mic-select-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    width: 100%;
    max-width: 320px;
}

.vcai-mic-label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--vc-status-color, #737373);
}

.vcai-mic-select {
    width: 100%;
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid var(--vc-transcript-border, rgba(0,0,0,0.15));
    background: var(--vc-transcript-bg, #f9fafb);
    color: var(--vc-title-color, #171717);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23737373' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

.vcai-mic-select:focus {
    border-color: var(--vc-call-color, #10b981);
}

/* ── Status ── */

.vcai-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--vc-status-fs, 14px);
    color: var(--vc-status-color, #737373);
}

.vcai-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--vc-wave-idle, rgba(0,0,0,0.15));
    flex-shrink: 0;
}

.vcai-status-dot.connected {
    background: var(--vc-call-color, #10b981);
    box-shadow: 0 0 6px var(--vc-call-color, #10b981);
}

/* ── Transcript ── */

.vcai-transcript-wrap {
    width: 100%;
}

.vcai-transcript-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--vc-status-color, #737373);
    margin-bottom: 8px;
}

.vcai-transcript {
    background: var(--vc-transcript-bg, #f9fafb);
    border: 1px solid var(--vc-transcript-border, rgba(0,0,0,0.1));
    border-radius: var(--vc-transcript-radius, 16px);
    max-height: var(--vc-transcript-max-h, 320px);
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.vcai-msg {
    padding: 8px 14px;
    border-radius: 14px;
    max-width: 85%;
    font-size: var(--vc-msg-fs, 14px);
    line-height: 1.5;
    word-wrap: break-word;
}

.vcai-msg-user {
    align-self: flex-end;
    background: var(--vc-user-bubble-bg, #10b981);
    color: var(--vc-user-bubble-text, #fff);
    border-bottom-right-radius: 4px;
}

.vcai-msg-agent {
    align-self: flex-start;
    background: var(--vc-agent-bubble-bg, rgba(0,0,0,0.05));
    color: var(--vc-agent-bubble-text, #171717);
    border-bottom-left-radius: 4px;
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .vcai-mic-select-wrap {
        display: none;
    }
}

@media (max-width: 520px) {
    .vcai-call-card {
        padding: 24px 16px;
        gap: 16px;
    }
}