/*
 * Diabec Voice Agent — floating "Talk to AI" button + consent modal + in-call panel.
 * Loaded on diabec-homepage-draft.html only (v1 scope).
 * Brand palette: --deep-green #2c3e1f, --amber-gold #c8a96e (from diabec-base.css).
 * Z-index 9998 keeps it under the cookie banner (9999).
 */

:root {
    --dva-green: #2c3e1f;
    --dva-green-soft: #3d5430;
    --dva-gold: #c8a96e;
    --dva-cream: #f8f6f1;
    --dva-red: #c83737;
    --dva-text: #2a2a2a;
    --dva-shadow: 0 8px 24px rgba(44, 62, 31, 0.25);
}

/* ─────────── Floating Action Button ─────────── */
.dva-fab {
    position: fixed;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    right: 16px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--dva-green);
    color: #fff;
    /* Muted brick-red ring — visible without being loud. */
    border: 3px solid #c25656;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    cursor: pointer;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease, bottom .25s ease;
    -webkit-tap-highlight-color: transparent;
}

.dva-fab:hover {
    background: var(--dva-green-soft);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(44, 62, 31, 0.35);
}

.dva-fab:focus-visible {
    outline: 3px solid var(--dva-gold);
    outline-offset: 3px;
}

.dva-fab svg {
    width: 26px;
    height: 26px;
    fill: currentColor;
}

.dva-fab-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--dva-gold);
    color: var(--dva-green);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    line-height: 1;
    letter-spacing: 0.5px;
}

/* Visible AI disclosure tooltip — appears on hover/focus before user activates */
.dva-fab-tooltip {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%) translateX(8px);
    background: rgba(44, 62, 31, 0.96);
    color: #FDFCF9;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid rgba(200, 169, 110, 0.4);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity .18s ease, transform .18s ease;
}
.dva-fab:hover .dva-fab-tooltip,
.dva-fab:focus-visible .dva-fab-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}
@media (max-width: 480px) {
    /* Hide tooltip on small mobile so it doesn't crowd the viewport — badge + aria-label still convey it */
    .dva-fab-tooltip { display: none; }
}

.dva-fab-pulse::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--dva-gold);
    opacity: 0;
    animation: dva-pulse 8s ease-out infinite;
    pointer-events: none;
}

@keyframes dva-pulse {
    0%   { transform: scale(0.9); opacity: 0; }
    10%  { opacity: 0.8; }
    40%  { transform: scale(1.4); opacity: 0; }
    100% { transform: scale(1.4); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .dva-fab-pulse::before { animation: none; }
    .dva-fab { transition: none; }
}

@media (min-width: 768px) {
    .dva-fab {
        width: 64px;
        height: 64px;
        bottom: 24px;
        right: 24px;
    }
    .dva-fab svg { width: 30px; height: 30px; }
}

@media print {
    .dva-fab, .dva-modal-overlay, .dva-call-panel, .dva-toast { display: none !important; }
}

/* ─────────── Consent modal ─────────── */
.dva-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 9999;
    display: none;
    align-items: flex-end;
    justify-content: center;
    padding: 16px;
    animation: dva-fade 0.2s ease;
}

.dva-modal-overlay.dva-open { display: flex; }

@media (min-width: 768px) {
    .dva-modal-overlay { align-items: center; }
}

@keyframes dva-fade {
    from { opacity: 0; }
    to { opacity: 1; }
}

.dva-modal {
    background: var(--dva-cream);
    color: var(--dva-text);
    border-radius: 18px 18px 0 0;
    max-width: 480px;
    width: 100%;
    padding: 28px 24px 24px;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.25);
    animation: dva-slide-up 0.25s ease;
}

@media (min-width: 768px) {
    .dva-modal {
        border-radius: 18px;
        padding: 32px;
        animation: dva-pop 0.2s ease;
    }
}

@keyframes dva-slide-up {
    from { transform: translateY(40px); }
    to { transform: translateY(0); }
}

@keyframes dva-pop {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.dva-modal h2 {
    margin: 0 0 12px;
    font-size: 22px;
    color: var(--dva-green);
    font-weight: 700;
}

.dva-modal p {
    margin: 0 0 10px;
    font-size: 15px;
    line-height: 1.55;
    color: #444;
}

.dva-modal .dva-disclaimer {
    background: #fff;
    border-left: 3px solid var(--dva-gold);
    padding: 12px 14px;
    border-radius: 6px;
    font-size: 14px;
    margin: 14px 0 20px;
    color: #555;
}

.dva-modal-actions {
    display: flex;
    gap: 10px;
    flex-direction: column-reverse;
    margin-top: 8px;
}

@media (min-width: 480px) {
    .dva-modal-actions {
        flex-direction: row;
        justify-content: flex-end;
    }
}

.dva-btn {
    padding: 12px 20px;
    border-radius: 8px;
    border: none;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity .15s ease, transform .1s ease;
    font-family: inherit;
}

.dva-btn:active { transform: scale(0.97); }

.dva-btn-primary {
    background: var(--dva-green);
    color: #fff;
}
.dva-btn-primary:hover { background: var(--dva-green-soft); }

.dva-btn-secondary {
    background: transparent;
    color: var(--dva-green);
    border: 1px solid var(--dva-green);
}
.dva-btn-secondary:hover { background: rgba(44, 62, 31, 0.08); }

.dva-btn-danger {
    background: var(--dva-red);
    color: #fff;
}
.dva-btn-danger:hover { background: #a82d2d; }

.dva-btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ─────────── In-call panel ─────────── */
.dva-call-panel {
    position: fixed;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    right: 16px;
    left: 16px;
    background: var(--dva-green);
    color: #fff;
    border-radius: 16px;
    padding: 16px 18px;
    z-index: 10001;
    transition: bottom .25s ease;
    display: none;
    align-items: center;
    gap: 14px;
    box-shadow: var(--dva-shadow);
    animation: dva-slide-up 0.25s ease;
}

.dva-call-panel.dva-open { display: flex; }

@media (min-width: 768px) {
    .dva-call-panel {
        left: auto;
        width: 340px;
        bottom: 24px;
        right: 24px;
    }
}

.dva-call-status {
    flex: 1;
    min-width: 0;
}

.dva-call-status .dva-call-title {
    font-weight: 700;
    font-size: 14px;
    margin: 0 0 2px;
}

.dva-call-status .dva-call-timer {
    font-size: 13px;
    opacity: 0.85;
    font-variant-numeric: tabular-nums;
}

.dva-mic-indicator {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s ease;
}
.dva-mic-indicator:hover { background: rgba(255, 255, 255, 0.25); }
.dva-mic-indicator.dva-muted { background: var(--dva-red); }
.dva-mic-indicator svg { width: 18px; height: 18px; fill: currentColor; }

.dva-end-btn {
    background: var(--dva-red);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 8px 14px;
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
}
.dva-end-btn:hover { background: #a82d2d; }

/* Connecting spinner */
.dva-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: dva-spin 0.8s linear infinite;
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
}

@keyframes dva-spin {
    to { transform: rotate(360deg); }
}

/* ─────────── Toast ─────────── */
.dva-toast {
    position: fixed;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%);
    background: #2a2a2a;
    color: #fff;
    padding: 12px 18px;
    border-radius: 10px;
    font-size: 14px;
    z-index: 10000;
    max-width: 90vw;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    animation: dva-toast-in 0.25s ease;
}

@keyframes dva-toast-in {
    from { opacity: 0; transform: translate(-50%, 12px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}