/* ───────────────────────────────────────────────────────────
   Chat Interface – Glass morphism + collapsible tool blocks
   ─────────────────────────────────────────────────────────── */

/* ── Container ──────────────────────────────────────────── */

#chat-container {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(35vw, 720px);
    max-width: 90vw;
    min-width: 320px;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 0 12px 12px 0;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-left: none;
    box-shadow: 4px 0 32px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    transition: transform 0.3s ease;
}

#chat-container.collapsed {
    transform: translateX(-100%);
    height: 100% !important;
}

/* Draggable right-edge handle for horizontal width resize. */
.chat-resize-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    right: -3px;
    width: 9px;
    cursor: ew-resize;
    z-index: 1001;
}
.chat-resize-handle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 3px;
    height: 40px;
    border-radius: 2px;
    background: rgba(120, 120, 130, 0.35);
    transition: background 0.15s;
}
.chat-resize-handle:hover::after {
    background: rgba(80, 80, 100, 0.6);
}

#chat-container.collapsed #chat-messages,
#chat-container.collapsed #chat-input-container,
#chat-container.collapsed #chat-footer {
    display: none;
}

/* Slim tab at the left edge that re-opens the collapsed chat. */
#chat-reopen {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    width: 26px;
    height: 72px;
    z-index: 999;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #444;
    font-size: 14px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-left: none;
    border-radius: 0 8px 8px 0;
    box-shadow: 3px 0 10px rgba(0, 0, 0, 0.2);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
body:has(#chat-container.collapsed) #chat-reopen {
    display: flex;
}
/* Desktop shows the left chevron; mobile (bottom drawer) shows an up chevron. */
.reopen-icon-mobile {
    display: none;
}

/* ── Resize handle ──────────────────────────────────────── */

.resize-handle {
    position: absolute;
    top: 0;
    left: 0;
    width: 18px;
    height: 18px;
    cursor: nw-resize;
    z-index: 10;
    border-radius: 12px 0 0 0;
    opacity: 0.35;
    transition: opacity 0.15s;
}

.resize-handle::before,
.resize-handle::after {
    content: '';
    position: absolute;
    background: rgba(100, 100, 120, 0.7);
    border-radius: 1px;
}

/* Two small diagonal lines as a grip indicator */
.resize-handle::before {
    width: 8px;
    height: 1.5px;
    top: 7px;
    left: 4px;
    transform: rotate(-45deg);
}

.resize-handle::after {
    width: 5px;
    height: 1.5px;
    top: 10px;
    left: 5px;
    transform: rotate(-45deg);
}

.resize-handle:hover {
    opacity: 0.8;
}

/* ── Header ─────────────────────────────────────────────── */

/* ── Header ──────────────────────────────────────────── */

#chat-header {
    padding: 12px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

/* Branding block: main title (larger) */
.chat-brand {
    display: flex;
    align-items: center;
    min-width: 0;
}

.chat-brand .brand-title {
    margin: 0;
    font-size: 24px;
    font-weight: 780;
    letter-spacing: -0.02em;
}

.chat-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* Language switcher: EN / 日本語 / 中文 */
.lang-switcher {
    display: flex;
    gap: 3px;
    padding: 3px;
    border-radius: 9px;
    background: rgba(20, 24, 34, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.lang-btn {
    border: 0;
    background: transparent;
    color: rgba(60, 70, 90, 0.75);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 7px;
    border-radius: 6px;
    cursor: pointer;
    line-height: 1;
    transition: background 140ms ease, color 140ms ease;
}

.lang-btn:hover {
    color: var(--glen-ink, #222);
}

.lang-btn.active {
    background: var(--glen-surface, #fff);
    color: var(--glen-ink, #111);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
}

#chat-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: #333;
}

#chat-toggle {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: #666;
    padding: 4px;
    line-height: 1;
}

#chat-toggle:hover {
    color: #333;
}

/* ── Messages area ──────────────────────────────────────── */

#chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 0;
}

/* Scrollbar */
#chat-messages::-webkit-scrollbar {
    width: 5px;
}

#chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

#chat-messages::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 3px;
}

#chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.25);
}

/* ── Input area ─────────────────────────────────────────── */

#chat-input-container {
    padding: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

#chat-input {
    flex: 1;
    padding: 9px 12px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.45);
    color: #333;
    font-size: 14px;
    font-family: inherit;
    line-height: 1.4;
    resize: none;
    max-height: 8em;
    overflow-y: auto;
}

#chat-input:focus {
    outline: none;
    border-color: rgba(0, 122, 255, 0.5);
    background: rgba(255, 255, 255, 0.65);
}

#chat-send {
    padding: 9px 16px;
    background: rgba(0, 122, 255, 0.8);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
}

#chat-send:hover {
    background: rgba(0, 122, 255, 1);
}

#chat-send:disabled {
    background: rgba(128, 128, 128, 0.4);
    cursor: not-allowed;
}

#chat-send.stop {
    background: #dc3545;
    padding: 9px 18px;
}

#chat-send.stop:hover {
    background: #c82333;
}

/* ── Voice input (exploratory) ──────────────────────────── */

#chat-mic {
    padding: 9px 12px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    line-height: 1;
}

#chat-mic:hover {
    background: rgba(255, 255, 255, 0.15);
}

#chat-mic.recording {
    background: rgba(220, 53, 69, 0.85);
    border-color: rgba(220, 53, 69, 1);
    animation: mic-pulse 1.2s ease-in-out infinite;
}

@keyframes mic-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.6); }
    50%      { box-shadow: 0 0 0 6px rgba(220, 53, 69, 0); }
}

/* ── Footer / model selector ────────────────────────────── */

#chat-footer {
    padding: 5px 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#chat-footer-right {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
}

/* ── Header links (docs + github) ───────────────────────── */

.header-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    opacity: 0.45;
    transition: opacity 0.15s;
    line-height: 1;
}

.header-link:hover {
    opacity: 0.85;
}

.docs-link {
    font-size: 11px;
    font-weight: 500;
    color: #333;
    letter-spacing: 0.2px;
}

.github-link svg {
    fill: #333;
    display: block;
}

/* Footer links (github, docs, carbon) live in #chat-footer's left zone. */
#chat-footer .footer-link {
    display: inline-flex;
    align-items: center;
    padding: 2px 6px;
    margin-right: 4px;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 11px;
    border-radius: 3px;
    transition: color 120ms ease, background 120ms ease;
}

#chat-footer .footer-link:hover {
    color: rgba(255, 255, 255, 1);
    background: rgba(255, 255, 255, 0.08);
}

/* ── Footer left: carbon (leaf) link ──────────────────────
   Selector matches #chat-footer .footer-link's specificity so
   the leaf stays green instead of inheriting the white default. */
#chat-footer .footer-link.carbon-link {
    color: #2e7d32;
    opacity: 0.85;
}

#chat-footer .footer-link.carbon-link:hover {
    color: #2e7d32;
    opacity: 1;
    background: rgba(46, 125, 50, 0.1);
}

#chat-footer .footer-link svg {
    display: block;
}

#model-selector {
    font-size: 9px;
    padding: 2px 8px;
    border-radius: 3px;
    border: none;
    background: rgba(255, 255, 255, 0.12);
    color: rgba(0, 0, 0, 0.45);
    cursor: pointer;
    outline: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.6;
}

#model-selector:hover {
    opacity: 0.9;
    background: rgba(255, 255, 255, 0.2);
}

/* ── Message bubbles ────────────────────────────────────── */

.chat-message {
    padding: 10px 12px;
    border-radius: 8px;
    max-width: 88%;
    word-wrap: break-word;
    line-height: 1.45;
    font-size: 14px;
}

.chat-message.user {
    align-self: flex-end;
    background: rgba(0, 122, 255, 0.8);
    color: #fff;
}

.chat-message.assistant {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.55);
    color: #333;
}

.chat-message.system {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.35);
    color: #555;
    font-size: 12px;
    font-style: italic;
    max-width: 95%;
}

.chat-message.error {
    align-self: center;
    background: rgba(220, 53, 69, 0.25);
    color: #721c24;
    font-size: 12px;
    max-width: 95%;
}

/* Send button in "Continue" mode — shown when a turn is suspended at a
   checkpoint. Green reads as resume/go, distinct from the blue Send and the
   red Stop. Resume lives in the input row now, not an inline message button. */
#chat-send.continue {
    background: #2e9e5b;
}

#chat-send.continue:hover {
    background: #278a4f;
}

/* Abandon (✕) control — only visible while a turn is suspended; discards the
   paused work so the next message starts fresh. Secondary, like the mic. */
#chat-abandon {
    padding: 9px 12px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
}

#chat-abandon:hover {
    background: rgba(220, 53, 69, 0.85);
    border-color: rgba(220, 53, 69, 1);
}

/* Thinking indicator */
.chat-message.assistant-thinking {
    align-self: flex-start;
    background: rgba(173, 216, 230, 0.35);
    color: #2c5282;
    border-left: 3px solid rgba(0, 122, 255, 0.5);
    font-style: italic;
    font-size: 13px;
}

/* Loading dots animation */
.loading-dots::after {
    content: '';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {

    0%,
    20% {
        content: '';
    }

    40% {
        content: '.';
    }

    60% {
        content: '..';
    }

    80%,
    100% {
        content: '...';
    }
}

/* ── Markdown in messages ───────────────────────────────── */

.chat-message pre {
    padding: 8px;
    border-radius: 4px;
    overflow-x: auto;
    font-size: 12px;
    background: rgba(0, 0, 0, 0.06);
}

.chat-message code {
    padding: 1px 4px;
    border-radius: 3px;
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.9em;
}

.chat-message table {
    border-collapse: collapse;
    width: 100%;
    font-size: 12px;
    margin: 8px 0;
}

.chat-message th,
.chat-message td {
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 4px 8px;
    text-align: left;
}

.chat-message th {
    background: rgba(0, 0, 0, 0.05);
    font-weight: 600;
}

/* ── Welcome message ───────────────────────────────────── */

.welcome-message p {
    margin: 0 0 8px;
}

.welcome-message p.welcome-title {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 700;
    color: #1a1a2e;
}

.welcome-message p.welcome-body {
    margin: 0 0 8px;
    font-size: 13px;
    color: #6b7280;
}

.welcome-examples {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 6px;
}

.welcome-examples li {
    display: contents;
}

.welcome-example-btn {
    background: rgba(255, 255, 255, 0.45);
    border: none;
    border-radius: 14px;
    padding: 5px 11px;
    font-size: 12px;
    color: #2c5282;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s;
    line-height: 1.35;
}

.welcome-example-btn:hover {
    background: rgba(255, 255, 255, 0.75);
}

/* ── Per-turn agent timeline ────────────────────────────── */

.agent-turn {
    align-self: stretch;
    margin: 4px 0;
    padding: 0;
    background: transparent;
    border-left: 2px solid rgba(0, 122, 255, 0.25);
    border-radius: 0;
}

.agent-turn.done {
    border-left-color: rgba(40, 167, 69, 0.4);
}

.agent-turn.error {
    border-left-color: rgba(220, 53, 69, 0.5);
}

.agent-turn.cancelled {
    border-left-color: rgba(108, 117, 125, 0.4);
}

.agent-turn > .agent-turn-summary {
    padding: 4px 10px;
    margin: 0;
    cursor: pointer;
    list-style: none;
    font-size: 12px;
    color: #4a5568;
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 1.4;
    user-select: none;
}

.agent-turn > .agent-turn-summary::-webkit-details-marker {
    display: none;
}

.agent-turn > .agent-turn-summary::before {
    content: '';
    flex-shrink: 0;
    border-left: 4px solid currentColor;
    border-top: 3px solid transparent;
    border-bottom: 3px solid transparent;
    transition: transform 0.15s ease;
}

.agent-turn[open] > .agent-turn-summary::before {
    transform: rotate(90deg);
}

.agent-turn-icon.done {
    color: #28a745;
}
.agent-turn-icon.error,
.agent-turn-icon.cancelled {
    color: #dc3545;
}

.agent-turn-body {
    padding: 2px 0 4px 12px;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

/* Rows inside the timeline */
.agent-turn-row {
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
    font-size: 12px;
    line-height: 1.4;
}

.agent-turn-row.thinking {
    padding: 2px 6px;
    color: #6b7280;
    font-style: italic;
    display: flex;
    align-items: center;
    gap: 6px;
}

.agent-turn-row-summary {
    padding: 2px 6px;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
    color: #2c5282;
    border-radius: 3px;
    transition: background 0.1s ease;
    user-select: none;
}

.agent-turn-row-summary::-webkit-details-marker {
    display: none;
}

.agent-turn-row-summary::before {
    content: '';
    flex-shrink: 0;
    border-left: 4px solid currentColor;
    border-top: 3px solid transparent;
    border-bottom: 3px solid transparent;
    opacity: 0.5;
    transition: transform 0.15s ease;
}

details.agent-turn-row[open] > .agent-turn-row-summary::before {
    transform: rotate(90deg);
}

.agent-turn-row-summary:hover {
    background: rgba(0, 122, 255, 0.06);
}

.agent-turn-row .row-icon {
    flex-shrink: 0;
    font-size: 11px;
    width: 14px;
    text-align: center;
}

.agent-turn-row .row-label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.agent-turn-row .row-status {
    flex-shrink: 0;
    font-size: 11px;
    color: #6b7280;
}

.agent-turn-row .row-status.done {
    color: #28a745;
    font-weight: 600;
}

.agent-turn-row .row-status.error {
    color: #dc3545;
    font-weight: 600;
}

.agent-turn-row.reasoning > .agent-turn-row-summary {
    color: #6b7280;
    font-style: italic;
}

.agent-turn-row-body {
    padding: 4px 10px 6px 24px;
    font-size: 12px;
    line-height: 1.5;
    color: #1a1a2e;
}

.agent-turn-row-body .tool-call-item,
.agent-turn-row-body .tool-result-item {
    margin: 4px 0;
    padding: 0;
    border: none;
}

.agent-turn-row-body .tool-results-list {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.agent-turn-row-body p:first-child {
    margin-top: 0;
}
.agent-turn-row-body p:last-child {
    margin-bottom: 0;
}

/* ── Tool blocks (collapsible) ──────────────────────────── */

.tool-reasoning {
    font-size: 13px;
    line-height: 1.5;
    color: #1a1a2e;
    margin-bottom: 6px;
    padding: 0 2px;
}

.tool-reasoning p {
    margin: 0;
}

.chat-message.tool-block {
    align-self: flex-start;
    background: rgba(245, 248, 255, 0.6);
    max-width: 95%;
    padding: 6px 10px;
    border-left: 3px solid rgba(0, 122, 255, 0.35);
}

.query-summary-btn {
    display: inline-block;
    padding: 5px 10px 5px 22px;
    margin: 2px 0;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 5px;
    color: #2c5282;
    font-weight: 500;
    font-size: 12px;
    cursor: pointer;
    position: relative;
    transition: all 0.15s ease;
    list-style: none;
    /* Firefox */
}

.query-summary-btn::-webkit-details-marker {
    display: none;
}

.query-summary-btn::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 5px solid #2c5282;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    transition: transform 0.15s ease;
}

details[open]>.query-summary-btn::before {
    transform: translateY(-50%) rotate(90deg);
}

.query-summary-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(0, 122, 255, 0.35);
}

.tool-detail {
    padding: 6px 0;
    font-size: 13px;
}

.tool-call-item,
.tool-result-item {
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.tool-call-item:last-child,
.tool-result-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.tool-call-item strong,
.tool-result-item strong {
    font-size: 12px;
    color: #2c5282;
}

.tool-tag {
    display: inline-block;
    font-size: 9px;
    padding: 1px 5px;
    border-radius: 3px;
    margin-left: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.tool-tag.remote {
    background: rgba(255, 152, 0, 0.15);
    color: #e65100;
}

.tool-output {
    max-height: 180px;
    overflow-y: auto;
    margin: 4px 0 0;
    font-size: 11px;
    line-height: 1.35;
}

.sql-detail {
    margin: 4px 0;
}

.sql-detail summary {
    font-size: 11px;
    color: #4a90e2;
    cursor: pointer;
    user-select: none;
}

/* ── Approval buttons ───────────────────────────────────── */

.tool-approval-buttons {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.approve-btn {
    padding: 7px 14px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    background: #28a745;
    color: #fff;
    transition: opacity 0.15s;
}

.approve-btn:hover:not(:disabled) {
    opacity: 0.85;
}

.approve-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Auto-approve toggle ────────────────────────────────── */

#auto-approve-btn {
    background: none;
    border: none;
    font-size: 14px;
    cursor: pointer;
    color: rgba(0, 0, 0, 0.4);
    padding: 2px 6px;
    line-height: 1;
    opacity: 0.5;
    transition: opacity 0.15s, color 0.15s;
    border-radius: 4px;
}

#auto-approve-btn:hover {
    opacity: 0.9;
}

#auto-approve-btn.active {
    opacity: 1;
    color: #d97706;
}

#export-btn {
    background: none;
    border: none;
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 14px;
    color: rgba(0, 0, 0, 0.4);
    cursor: pointer;
    line-height: 1;
    opacity: 0.5;
    transition: opacity 0.15s, color 0.15s;
}

#export-btn:hover:not(:disabled) {
    opacity: 0.9;
}

#export-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ── Settings panel (user-provided API key mode) ────────── */

#settings-btn {
    background: none;
    border: none;
    font-size: 14px;
    cursor: pointer;
    color: rgba(0, 0, 0, 0.4);
    padding: 2px 6px;
    line-height: 1;
    opacity: 0.6;
    transition: opacity 0.15s;
}

#settings-btn:hover {
    opacity: 1;
    color: rgba(0, 0, 0, 0.7);
}

#api-settings-panel {
    padding: 14px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.settings-title {
    font-size: 13px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.settings-label {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: #555;
    margin-bottom: 3px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

#api-settings-panel input {
    width: 100%;
    padding: 7px 10px;
    margin-bottom: 10px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 5px;
    font-size: 13px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    background: rgba(255, 255, 255, 0.6);
    color: #333;
    box-sizing: border-box;
}

#api-settings-panel input:focus {
    outline: none;
    border-color: rgba(0, 122, 255, 0.5);
}

.settings-actions {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}

.settings-save-btn {
    padding: 6px 16px;
    background: rgba(0, 122, 255, 0.8);
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
}

.settings-save-btn:hover {
    background: rgba(0, 122, 255, 1);
}

.settings-cancel-btn {
    padding: 6px 16px;
    background: rgba(0, 0, 0, 0.06);
    color: #555;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 13px;
}

.settings-cancel-btn:hover {
    background: rgba(0, 0, 0, 0.12);
}

.settings-hint {
    margin-top: 8px;
    font-size: 10px;
    color: rgba(0, 0, 0, 0.4);
    font-style: italic;
}

/* ── Mobile optimization ───────────────────────────────────────
   Phones: the chat becomes a bottom drawer — full-width, docked to
   the bottom (~68% viewport height), slides down to hide so the map
   stays fully visible. Tap targets are thumb-sized; the on-screen
   keyboard never overlaps the input. */
@media (max-width: 700px) {
    #chat-container {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-width: 100%;
        min-width: 0;
        height: 78vh;
        max-height: 88vh;
        border-radius: 16px 16px 0 0;
        border: 1px solid rgba(255, 255, 255, 0.35);
        border-bottom: none;
        box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.35);
        transition: transform 0.32s ease;
    }
    #chat-container.collapsed {
        transform: translateY(100%);
        height: 78vh !important;
    }
    /* Reopen tab now sits at the bottom-center of the screen. */
    #chat-reopen {
        top: auto;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 72px;
        height: 34px;
        border-radius: 12px 12px 0 0;
        border: 1px solid rgba(0, 0, 0, 0.15);
        border-bottom: none;
        box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.2);
    }
    .reopen-icon-desktop {
        display: none;
    }
    .reopen-icon-mobile {
        display: inline;
    }
    /* No drag-resize on touch */
    .chat-resize-handle {
        display: none;
    }
    /* Chat toggle button (collapse) larger tap target */
    #chat-toggle {
        font-size: 22px;
        padding: 6px 8px;
    }
    /* Message text sizes comfortable on small screens */
    .chat-message {
        font-size: 15px;
    }
    .welcome-message {
        font-size: 14px;
    }
    /* Input area: keep above the on-screen keyboard */
    #chat-input-container {
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }
    #chat-input {
        font-size: 16px;
    }
    /* Safe-area top for notch phones */
    #chat-header {
        padding-top: max(8px, env(safe-area-inset-top, 0px));
    }
}