/**
 * AI Chat widget
 * Location: /assets/css/ai-chat.css
 */

.ddz-ai-fab {
    background: linear-gradient(135deg, #0f766e 0%, #10b981 100%);
}

.ddz-ai-fab.is-open {
    background: #334155;
}

.ddz-ai-fab__badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 0.7rem;
    height: 0.7rem;
    border-radius: 50%;
    background: #ef4444;
    border: 2px solid #fff;
}

.ddz-ai-panel {
    position: fixed;
    right: 1.25rem;
    bottom: 5.5rem;
    z-index: 1070;
    width: min(100vw - 1.5rem, 400px);
    height: min(74vh, 600px);
    display: none;
    flex-direction: column;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.28);
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.ddz-ai-panel.is-open {
    display: flex;
}

.ddz-ai-panel__header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    background: linear-gradient(135deg, #0f766e 0%, #059669 100%);
    color: #fff;
}

.ddz-ai-panel__avatar {
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.18);
    flex-shrink: 0;
}

.ddz-ai-panel__title {
    margin: 0;
    font-size: 0.98rem;
    font-weight: 700;
    line-height: 1.2;
}

.ddz-ai-panel__sub {
    margin: 0.15rem 0 0;
    font-size: 0.75rem;
    opacity: 0.9;
}

.ddz-ai-panel__header-actions {
    margin-left: auto;
    display: flex;
    gap: 0.35rem;
}

.ddz-ai-panel__icon-btn {
    border: none;
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    cursor: pointer;
}

.ddz-ai-panel__account {
    margin: 0;
    padding: 0.45rem 1rem;
    font-size: 0.75rem;
    color: #047857;
    background: #ecfdf5;
    border-bottom: 1px solid #d1fae5;
}

.ddz-ai-panel__messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    background: #f8fafc;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.ddz-ai-msg-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    max-width: 100%;
}

.ddz-ai-msg-wrap--user {
    align-items: flex-end;
}

.ddz-ai-msg-wrap--bot {
    align-items: flex-start;
}

.ddz-ai-msg {
    max-width: 92%;
    padding: 0.7rem 0.85rem;
    border-radius: 14px;
    font-size: 0.88rem;
    line-height: 1.45;
    word-break: break-word;
}

.ddz-ai-msg--bot {
    background: #fff;
    border: 1px solid #e2e8f0;
    color: #1e293b;
    border-bottom-left-radius: 4px;
}

.ddz-ai-msg--bot code {
    font-size: 0.8em;
    background: #f1f5f9;
    padding: 0.05rem 0.3rem;
    border-radius: 4px;
}

.ddz-ai-msg--user {
    background: #10b981;
    color: #fff;
    border-bottom-right-radius: 4px;
    white-space: pre-wrap;
}

.ddz-ai-msg--typing {
    color: #64748b;
}

.ddz-ai-dots {
    display: inline-flex;
    gap: 0.2rem;
    margin-right: 0.35rem;
    vertical-align: middle;
}

.ddz-ai-dots i {
    width: 0.35rem;
    height: 0.35rem;
    border-radius: 50%;
    background: #94a3b8;
    display: inline-block;
    animation: ddz-ai-bounce 1s infinite ease-in-out;
}

.ddz-ai-dots i:nth-child(2) { animation-delay: 0.15s; }
.ddz-ai-dots i:nth-child(3) { animation-delay: 0.3s; }

@keyframes ddz-ai-bounce {
    0%, 80%, 100% { transform: translateY(0); opacity: 0.45; }
    40% { transform: translateY(-3px); opacity: 1; }
}

.ddz-ai-actions,
.ddz-ai-followups,
.ddz-ai-panel__suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.ddz-ai-panel__suggestions {
    padding: 0 1rem 0.65rem;
    background: #f8fafc;
}

.ddz-ai-action {
    display: inline-flex;
    align-items: center;
    padding: 0.32rem 0.7rem;
    border-radius: 999px;
    background: #10b981;
    color: #fff !important;
    text-decoration: none !important;
    font-size: 0.75rem;
    font-weight: 600;
}

.ddz-ai-action:hover {
    background: #059669;
    color: #fff !important;
}

.ddz-ai-chip {
    border: 1px solid #cbd5e1;
    background: #fff;
    color: #334155;
    border-radius: 999px;
    padding: 0.28rem 0.7rem;
    font-size: 0.75rem;
    cursor: pointer;
}

.ddz-ai-chip:hover {
    border-color: #10b981;
    color: #047857;
}

.ddz-ai-panel__form {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem;
    border-top: 1px solid #e2e8f0;
    background: #fff;
}

.ddz-ai-panel__input {
    flex: 1;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 0.65rem 0.8rem;
    font-size: 0.9rem;
    outline: none;
}

.ddz-ai-panel__input:focus {
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.ddz-ai-panel__send {
    border: none;
    border-radius: 12px;
    width: 2.75rem;
    background: #10b981;
    color: #fff;
    cursor: pointer;
}

.ddz-ai-panel__send:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.ddz-ai-panel__note {
    margin: 0;
    padding: 0 0.85rem 0.65rem;
    font-size: 0.68rem;
    color: #94a3b8;
    background: #fff;
}

.ddz-ai-panel__lang select {
    appearance: none;
    border: none;
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    border-radius: 999px;
    padding: 0.25rem 0.55rem;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
}

.ddz-ai-panel__lang select option {
    color: #0f172a;
}

.ddz-ai-panel__sub.is-handover {
    color: #fef3c7;
    font-weight: 600;
}

.ddz-ai-msg__time {
    font-size: 0.65rem;
    color: #94a3b8;
    padding: 0 0.25rem;
}

@media (max-width: 576px) {
    .ddz-ai-panel {
        right: 0.6rem;
        left: 0.6rem;
        width: auto;
        bottom: 5rem;
        height: min(72vh, 540px);
    }
}

@media (prefers-color-scheme: dark) {
    .ddz-ai-panel {
        background: #0f172a;
        border-color: #1e293b;
    }
    .ddz-ai-panel__messages,
    .ddz-ai-panel__suggestions {
        background: #0b1220;
    }
    .ddz-ai-msg--bot {
        background: #1e293b;
        border-color: #334155;
        color: #e2e8f0;
    }
    .ddz-ai-msg--bot code {
        background: #0f172a;
    }
    .ddz-ai-chip {
        background: #1e293b;
        border-color: #334155;
        color: #e2e8f0;
    }
    .ddz-ai-panel__form,
    .ddz-ai-panel__note {
        background: #0f172a;
        border-color: #1e293b;
        color: #94a3b8;
    }
    .ddz-ai-panel__input {
        background: #1e293b;
        border-color: #334155;
        color: #e2e8f0;
    }
    .ddz-ai-panel__account {
        background: #064e3b;
        color: #a7f3d0;
        border-color: #065f46;
    }
}

html[data-theme="dark"] .ddz-ai-panel,
body.theme-dark .ddz-ai-panel,
body.dark-mode .ddz-ai-panel {
    background: #0f172a;
    border-color: #1e293b;
}

html[data-theme="dark"] .ddz-ai-panel__messages,
body.theme-dark .ddz-ai-panel__messages,
body.dark-mode .ddz-ai-panel__messages,
html[data-theme="dark"] .ddz-ai-panel__suggestions,
body.theme-dark .ddz-ai-panel__suggestions,
body.dark-mode .ddz-ai-panel__suggestions {
    background: #0b1220;
}

html[data-theme="dark"] .ddz-ai-msg--bot,
body.theme-dark .ddz-ai-msg--bot,
body.dark-mode .ddz-ai-msg--bot {
    background: #1e293b;
    border-color: #334155;
    color: #e2e8f0;
}