.ai-hero {
    min-height: auto;
}

.ai-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.ai-tags span {
    border-radius: 999px;
    border: 1px solid rgba(255, 227, 189, 0.28);
    background: rgba(255, 245, 228, 0.12);
    color: #fff0da;
    padding: 0.32rem 0.72rem;
}

.assistant-layout {
    display: grid;
    grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
}

.assistant-side,
.chat-panel {
    border-radius: 20px;
    border: 1px solid rgba(123, 78, 44, 0.16);
    background: rgba(255, 251, 243, 0.82);
    box-shadow: var(--shadow);
}

.assistant-side {
    padding: 1rem;
}

.prompt-list {
    display: grid;
    gap: 0.7rem;
    margin-top: 0.9rem;
}

.prompt-chip {
    width: 100%;
    text-align: left;
    border: 1px solid rgba(128, 82, 47, 0.18);
    border-radius: 16px;
    background:
        linear-gradient(135deg, rgba(255, 249, 238, 0.95) 0%, rgba(242, 226, 196, 0.92) 100%);
    color: var(--ink);
    padding: 0.82rem 0.9rem;
    cursor: pointer;
    font: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.prompt-chip:hover {
    transform: translateY(-2px);
    border-color: rgba(154, 79, 30, 0.34);
    box-shadow: 0 14px 24px rgba(73, 42, 19, 0.12);
}

.prompt-chip:disabled {
    cursor: wait;
    opacity: 0.7;
}

.assistant-note {
    margin-top: 1rem;
    border-radius: 16px;
    border: 1px dashed rgba(128, 82, 47, 0.22);
    background: rgba(255, 247, 233, 0.9);
    padding: 0.9rem;
}

.assistant-note h3 {
    color: var(--accent-strong);
    font-size: 1.1rem;
}

.assistant-note p + p {
    margin-top: 0.45rem;
}

.chat-panel {
    padding: 1rem;
}

.chat-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.8rem;
}

.chat-toolbar h2 {
    font-size: 1.6rem;
    color: var(--accent-strong);
}

.chat-toolbar p {
    margin-top: 0.15rem;
    color: var(--ink-soft);
}

.chat-messages {
    margin-top: 1rem;
    min-height: 430px;
    max-height: 62vh;
    overflow-y: auto;
    border-radius: 18px;
    border: 1px solid rgba(126, 82, 49, 0.16);
    background:
        linear-gradient(180deg, rgba(255, 250, 242, 0.94) 0%, rgba(248, 238, 220, 0.96) 100%);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.message {
    max-width: min(88%, 760px);
    border-radius: 18px;
    padding: 0.8rem 0.92rem;
    line-height: 1.7;
    box-shadow: 0 10px 22px rgba(72, 43, 21, 0.08);
    animation: message-in 0.24s ease both;
}

.message p {
    white-space: pre-wrap;
}

.message-sources {
    margin-top: 0.78rem;
    padding-top: 0.72rem;
    border-top: 1px dashed rgba(130, 85, 50, 0.2);
}

.message-sources h4 {
    font-size: 0.92rem;
    color: var(--accent-strong);
}

.source-list {
    list-style: none;
    margin-top: 0.55rem;
    display: grid;
    gap: 0.5rem;
}

.source-item {
    display: grid;
    gap: 0.18rem;
    border-radius: 14px;
    border: 1px solid rgba(133, 89, 54, 0.14);
    background: rgba(248, 239, 224, 0.78);
    padding: 0.58rem 0.7rem;
}

.source-item strong {
    color: var(--ink);
    font-size: 0.96rem;
}

.source-item span {
    color: var(--ink-soft);
    font-size: 0.92rem;
    line-height: 1.55;
}

.message.assistant {
    align-self: flex-start;
    border: 1px solid rgba(137, 89, 49, 0.16);
    background: rgba(255, 253, 249, 0.98);
    color: var(--ink);
}

.message.user {
    align-self: flex-end;
    border: 1px solid rgba(126, 57, 24, 0.16);
    background: linear-gradient(135deg, #8e3f18 0%, #c46a31 100%);
    color: #fff8ef;
}

.message.is-pending {
    position: relative;
    overflow: hidden;
}

.message.is-pending::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.24) 50%, transparent 100%);
    transform: translateX(-100%);
    animation: shimmer 1.15s linear infinite;
}

.chat-form {
    margin-top: 1rem;
}

.chat-form textarea {
    width: 100%;
    resize: vertical;
    min-height: 110px;
    border-radius: 18px;
    border: 1px solid rgba(124, 79, 45, 0.22);
    background: rgba(255, 252, 245, 0.96);
    padding: 0.95rem 1rem;
    color: var(--ink);
    font: inherit;
    line-height: 1.7;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.chat-form textarea:focus {
    outline: none;
    border-color: rgba(153, 78, 31, 0.42);
    box-shadow: 0 0 0 4px rgba(181, 105, 56, 0.12);
}

.chat-form textarea:disabled {
    cursor: wait;
    opacity: 0.8;
}

.chat-actions {
    margin-top: 0.7rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
}

.chat-actions p {
    color: var(--ink-soft);
}

.chat-actions button {
    border: 0;
    border-radius: 999px;
    padding: 0.72rem 1.3rem;
    background: linear-gradient(120deg, #6e2d11 0%, #ab4f1f 100%);
    color: #fff8ed;
    font: inherit;
    cursor: pointer;
    box-shadow: 0 12px 20px rgba(96, 42, 16, 0.18);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.chat-actions button:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 24px rgba(96, 42, 16, 0.22);
}

.chat-actions button:disabled {
    cursor: wait;
    opacity: 0.7;
    transform: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@keyframes message-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    to {
        transform: translateX(100%);
    }
}

@media (max-width: 980px) {
    .assistant-layout {
        grid-template-columns: 1fr;
    }

    .chat-messages {
        min-height: 360px;
        max-height: none;
    }
}

@media (max-width: 640px) {
    .chat-toolbar,
    .chat-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .message {
        max-width: 100%;
    }
}