/* Chat home view */

/* ---------- Layout ---------- */
.chat-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    max-width: var(--max-app-width);
    margin: 0 auto;
    padding: var(--space-4);
}

@media (min-width: 1024px) {
    .chat-layout {
        grid-template-columns: 300px 1fr;
        gap: var(--space-5);
    }
}

/* ---------- Daily verse ---------- */
.daily-verse-card {
    text-align: center;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--color-primary-subtle), var(--color-accent-subtle));
    border: none;
}

.daily-verse-card h3 {
    font-family: var(--font-display);
    color: var(--color-primary-dark);
    margin-bottom: var(--space-2);
}

.daily-verse-card .daily-verse-ref {
    font-weight: var(--font-semibold);
    color: var(--color-primary-dark);
}

/* ---------- Sidebar (desktop) / drawer (mobile) ---------- */
.chat-sidebar {
    display: none;
}

@media (min-width: 1024px) {
    .chat-sidebar {
        display: flex;
        flex-direction: column;
        gap: var(--space-3);
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        padding: var(--space-4);
        max-height: calc(100dvh - var(--header-height) - var(--space-8));
        position: sticky;
        top: calc(var(--header-height) + var(--space-4));
    }

    .chat-sidebar .chat-history-list {
        overflow-y: auto;
        flex: 1;
    }
}

.chat-history-toggle {
    display: inline-flex;
}

@media (min-width: 1024px) {
    .chat-history-toggle { display: none; }
}

/* Mobile drawer */
.chat-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(28, 35, 49, 0.55);
    z-index: var(--z-modal);
}

.chat-drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: var(--color-surface);
    z-index: calc(var(--z-modal) + 1);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4);
    padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom, 0px));
    animation: drawer-in var(--duration-normal) var(--ease-out);
}

@keyframes drawer-in {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.chat-drawer .chat-history-list {
    overflow-y: auto;
    flex: 1;
}

/* ---------- Chat history list ---------- */
.chat-history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.chat-history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--ease-out);
}

.chat-history-item:hover { background: var(--color-surface-alt); }

.chat-history-item.highlighted {
    border-color: var(--color-primary);
    background: var(--color-primary-subtle);
}

.chat-history-item .chat-title {
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.chat-history-item .timestamp {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.chat-history-item .delete-chat-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    min-width: 36px;
    min-height: 36px;
}

.chat-history-item .delete-chat-btn:hover {
    color: var(--color-danger);
    background: var(--color-danger-subtle);
}

.empty-history-message {
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    padding: var(--space-4);
}

/* ---------- Chat container ---------- */
.chat-container {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: calc(100dvh - var(--header-height) - var(--tabbar-height) - 320px);
    min-height: 380px;
}

@media (min-width: 768px) {
    .chat-container {
        height: calc(100dvh - var(--header-height) - 300px);
    }
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    background: var(--color-surface-alt);
    -webkit-overflow-scrolling: touch;
}

/* ---------- Messages ---------- */
.user-container {
    align-self: flex-end;
    max-width: 85%;
    margin-bottom: var(--space-4);
}

.user-message {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    font-weight: var(--font-medium);
    box-shadow: var(--shadow-sm);
    white-space: pre-wrap;
    word-break: break-word;
}

.bot-container {
    align-self: flex-start;
    max-width: 100%;
    margin-bottom: var(--space-5);
    animation: chat-fade-in var(--duration-normal) var(--ease-out);
}

@keyframes chat-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.bot-message {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0;
    padding: var(--space-3) var(--space-4);
    box-shadow: var(--shadow-sm);
    min-width: min(420px, 100%);
}

.bot-message.error-message {
    border-left-color: var(--color-danger);
    color: var(--color-danger);
}

/* ---------- Collapsible sections inside bot messages ---------- */
.bible-results-container {
    margin-bottom: var(--space-3);
}

.bible-results-header,
.ai-response-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    cursor: pointer;
    padding: var(--space-2) 0;
    color: var(--color-primary-dark);
    font-weight: var(--font-semibold);
    user-select: none;
}

.bible-results-header h5 {
    margin: 0;
    font-size: var(--text-sm);
}

.bible-results-header svg,
.ai-response-header svg {
    width: 16px;
    height: 16px;
    transition: transform var(--duration-fast) var(--ease-out);
    flex-shrink: 0;
}

.bible-results-header.minimized svg,
.ai-response-header.minimized svg {
    transform: rotate(-90deg);
}

.bible-toggle-icon.attention-animation {
    animation: pulse-attention 1.5s ease-in-out 3;
}

@keyframes pulse-attention {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

.verses-section {
    transition: max-height var(--duration-normal) var(--ease-out);
}

.verses-section.minimized {
    max-height: 0 !important;
    overflow: hidden !important;
}

.cluster-container {
    margin-bottom: var(--space-3);
}

.cluster-container.hidden-cluster { display: none; }

.cluster-header {
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    color: var(--color-accent-dark);
    margin-bottom: var(--space-2);
}

.verses-container {
    border-left: 3px solid var(--color-accent);
    padding-left: var(--space-3);
    background: linear-gradient(to right, rgba(220, 165, 76, 0.08), transparent);
    border-radius: var(--radius-sm);
}

.verses-container .verse-text {
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--color-text);
}

.verses-container .verse-reference {
    font-weight: var(--font-semibold);
    color: var(--color-primary-dark);
}

.verses-container .context-verse {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
}

.search-result-verse {
    background: var(--color-primary-subtle);
    border-radius: var(--radius-sm);
    padding: var(--space-1) var(--space-2);
}

.show-more-btn {
    display: block;
    margin: var(--space-2) auto 0;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: var(--space-1) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-primary);
    min-height: 36px;
}

.show-more-btn:hover { background: var(--color-primary-subtle); }

.ai-response-content {
    line-height: var(--leading-normal);
    transition: max-height var(--duration-normal) var(--ease-out);
}

.ai-response-content p:last-child { margin-bottom: 0; }

/* ---------- Input area ---------- */
.chat-settings-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: flex-end;
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
}

.chat-settings-bar .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 140px;
}

.chat-settings-bar .form-control {
    min-height: 40px;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
}

.chat-settings-bar .form-label { margin-bottom: var(--space-1); }

.settings-note {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.settings-note a { color: var(--color-accent-dark); }

.input-area {
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    padding: var(--space-3) var(--space-4);
    padding-bottom: calc(var(--space-3) + env(safe-area-inset-bottom, 0px));
}

.chat-input-row {
    display: flex;
    gap: var(--space-2);
    align-items: flex-end;
}

#user-input {
    flex: 1;
    resize: none;
    max-height: 150px;
    min-height: 44px;
    border-radius: var(--radius-lg);
}

.btn-send {
    min-width: 44px;
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.btn-send:hover { background: var(--color-primary-dark); }

.btn-send svg { width: 18px; height: 18px; }

.char-counter {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-align: right;
    margin-top: var(--space-1);
}

.usage-message {
    text-align: center;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

/* ---------- Loading dots ---------- */
.loading-dots {
    display: flex;
    gap: 6px;
    padding: var(--space-3) var(--space-4);
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary-light);
    animation: dot-bounce 1.2s infinite ease-in-out;
}

.loading-dots span:nth-child(2) { animation-delay: 0.15s; }
.loading-dots span:nth-child(3) { animation-delay: 0.3s; }

@keyframes dot-bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}