/*
 * A soft Italian flag: both characters share a satin ivory base, and each brings an accent:
 * sage green for Claudio, soft tomato red for Claudia.
 */
:root {
    --bg: #f3eee4;
    --surface: #fbf8f2;
    --surface-2: #f2ece1;
    --sidebar: #ebe4d6;
    --ink: #231f20;
    --ink-soft: #57504a;
    --ink-faint: #8a8178;
    --line: #dcd3c2;
    --accent: #568352;
    --accent-ink: #fbf8f2;
    --accent-soft: #d4e4cc;
    --code-bg: #f8f4ec;
    --danger: #b3412a;
    --shadow: 0 1px 2px rgba(60, 50, 30, 0.06), 0 6px 24px rgba(60, 50, 30, 0.08);

    --font: 'Spectral', Georgia, serif;
    --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    --sidebar-w: 268px;
    --thread-w: 760px;
    color-scheme: light;
}

:root[data-persona="claudia"] {
    --accent: #b8524b;
    --accent-soft: #f1d0cb;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #1b1a17;
        --surface: #25231f;
        --surface-2: #2d2b26;
        --sidebar: #151411;
        --ink: #efe9de;
        --ink-soft: #c4bcae;
        --ink-faint: #8d867a;
        --line: #3a3730;
        --accent: #8dbb86;
        --accent-ink: #1b1a17;
        --accent-soft: #2f4a2c;
        --code-bg: #12110f;
        --danger: #f08a6e;
        --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 6px 24px rgba(0, 0, 0, 0.3);
        color-scheme: dark;
    }

    :root[data-persona="claudia"]:not([data-theme="light"]) {
        --accent: #e48c84;
        --accent-soft: #5a2b27;
    }
}

:root[data-theme="dark"] {
    --bg: #1b1a17;
    --surface: #25231f;
    --surface-2: #2d2b26;
    --sidebar: #151411;
    --ink: #efe9de;
    --ink-soft: #c4bcae;
    --ink-faint: #8d867a;
    --line: #3a3730;
    --accent: #8dbb86;
    --accent-ink: #1b1a17;
    --accent-soft: #2f4a2c;
    --code-bg: #12110f;
    --danger: #f08a6e;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 6px 24px rgba(0, 0, 0, 0.3);
    color-scheme: dark;
}

:root[data-persona="claudia"][data-theme="dark"] {
    --accent: #e48c84;
    --accent-soft: #5a2b27;
}

body,
.sidebar,
.composer,
.suggestion {
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    margin: 0;
}

body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
}

button {
    font: inherit;
    color: inherit;
    cursor: pointer;
}

svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex: none;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--surface);
    box-shadow: 0 0 0 1px var(--line);
    flex: none;
}

/* ---------- Layout ---------- */

.app {
    display: flex;
    height: 100dvh;
}

.sidebar {
    width: var(--sidebar-w);
    flex: none;
    background: var(--sidebar);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    padding: 14px 12px;
    gap: 10px;
    transition: margin-left 0.22s ease, transform 0.22s ease;
}

.app.sidebar-collapsed .sidebar {
    margin-left: calc(-1 * var(--sidebar-w));
}

.sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
    padding: 4px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
    min-width: 0;
}

.brand-name,
.brand-tag {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.brand-name {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.5px;
}

.brand-tag {
    font-size: 0.8rem;
    font-style: italic;
    color: var(--ink-soft);
}

.new-chat {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--accent-ink);
    border: none;
    border-radius: 10px;
    padding: 9px 12px;
    font-weight: 700;
    transition: filter 0.15s;
}

.new-chat:hover {
    filter: brightness(0.94);
}

.chat-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin: 4px -4px 0;
    padding: 0 4px;
}

.chat-list-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--ink-faint);
    padding: 10px 8px 4px;
}

.chat-item {
    display: flex;
    align-items: center;
    border-radius: 8px;
    color: var(--ink-soft);
}

.chat-item:hover,
.chat-item.active {
    background: color-mix(in srgb, var(--ink) 7%, transparent);
    color: var(--ink);
}

.chat-item a {
    flex: 1;
    min-width: 0;
    padding: 7px 8px;
    color: inherit;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.95rem;
}

.chat-item .delete {
    opacity: 0;
    background: none;
    border: none;
    padding: 6px;
    border-radius: 6px;
    color: var(--ink-faint);
    display: flex;
}

.chat-item:hover .delete,
.chat-item .delete:focus-visible {
    opacity: 1;
}

.chat-item .delete:hover {
    color: var(--danger);
}

.chat-item .delete svg {
    width: 16px;
    height: 16px;
}

.sidebar-foot {
    margin: 0;
    font-size: 0.78rem;
    color: var(--ink-faint);
    padding: 0 8px;
}

.scrim {
    display: none;
}

.main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    position: relative;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    min-height: 56px;
}

.topbar-title {
    flex: 1;
    margin: 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--ink-soft);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    border-radius: 8px;
    padding: 7px;
    color: var(--ink-soft);
}

.icon-btn:hover {
    background: color-mix(in srgb, var(--ink) 8%, transparent);
    color: var(--ink);
}

.only-mobile {
    display: none;
}

.scroller {
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0 16px;
}

.thread {
    max-width: var(--thread-w);
    margin: 0 auto;
    padding: 8px 0 24px;
}

.thread:empty {
    padding: 0;
}

/* ---------- Empty state ---------- */

.empty {
    max-width: 620px;
    margin: 0 auto;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px 0 40px;
}

.empty[hidden] {
    display: none;
}

.empty-avatar {
    width: 112px;
    height: 112px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--surface);
    box-shadow: var(--shadow);
}

.empty-title {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    line-height: 1.2;
    margin: 18px 0 6px;
    text-wrap: balance;
}

.empty-sub {
    color: var(--ink-soft);
    margin: 0 0 24px;
    text-wrap: balance;
}

/* Hold the text back briefly while today's generated welcome loads, so it doesn't swap visibly. */
.empty-title,
.empty-sub,
.suggestions {
    transition: opacity 0.25s ease;
}

.empty.loading .empty-title,
.empty.loading .empty-sub,
.empty.loading .suggestions {
    opacity: 0;
}

.suggestions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
}

.suggestion {
    text-align: left;
    text-wrap: pretty;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 0.95rem;
    line-height: 1.4;
    color: var(--ink-soft);
    transition: border-color 0.15s, color 0.15s, transform 0.15s;
}

.suggestion:hover {
    border-color: var(--accent);
    color: var(--ink);
    transform: translateY(-1px);
}

/* ---------- Messages ---------- */

.msg {
    margin: 22px 0;
}

.msg.user {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-bubble {
    background: var(--accent);
    color: var(--accent-ink);
    border-radius: 18px 18px 4px 18px;
    padding: 10px 16px;
    max-width: min(85%, 600px);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.user-files {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
    margin-bottom: 6px;
    max-width: 85%;
}

.user-files img {
    max-width: 220px;
    max-height: 180px;
    border-radius: 12px;
    border: 1px solid var(--line);
    display: block;
    cursor: zoom-in;
}

.file-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 6px 10px;
    font-size: 0.85rem;
    color: var(--ink-soft);
    max-width: 240px;
}

.file-chip span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-chip svg {
    width: 16px;
    height: 16px;
}

.msg.bot {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 14px;
}

.bot-body {
    min-width: 0;
    padding-top: 4px;
}

.msg-actions {
    display: flex;
    gap: 2px;
    margin-top: 4px;
    opacity: 0;
    transition: opacity 0.15s;
}

.msg:hover .msg-actions,
.msg:focus-within .msg-actions,
.msg.last .msg-actions {
    opacity: 1;
}

.msg-actions .icon-btn {
    padding: 5px;
}

.msg-actions svg {
    width: 17px;
    height: 17px;
}

.msg.user .msg-actions {
    justify-content: flex-end;
}

/* Thinking + tool activity */

.thinking {
    margin: 0 0 10px;
    border-left: 2px solid var(--line);
    padding-left: 12px;
}

.thinking summary {
    list-style: none;
    cursor: pointer;
    color: var(--ink-faint);
    font-style: italic;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    user-select: none;
}

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

.thinking summary svg {
    width: 14px;
    height: 14px;
    transition: transform 0.15s;
}

.thinking[open] summary svg {
    transform: rotate(90deg);
}

.thinking .thinking-text {
    color: var(--ink-soft);
    font-size: 0.92rem;
    white-space: pre-wrap;
    margin-top: 6px;
    max-height: 340px;
    overflow-y: auto;
}

.thinking.live summary span {
    background: linear-gradient(90deg, var(--ink-faint) 0%, var(--ink) 50%, var(--ink-faint) 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shimmer 1.6s linear infinite;
}

@keyframes shimmer {
    from { background-position: 100% 0; }
    to { background-position: -100% 0; }
}

.tool-line {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.92rem;
    color: var(--ink-soft);
    margin: 0 0 10px;
    min-width: 0;
}

.tool-line svg {
    width: 16px;
    height: 16px;
    color: var(--accent);
}

.tool-line span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.typing {
    display: inline-flex;
    gap: 4px;
    padding: 10px 0;
}

.typing i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--ink-faint);
    animation: bob 1.2s infinite ease-in-out;
}

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

@keyframes bob {
    0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
    40% { transform: translateY(-4px); opacity: 1; }
}

.notice {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    color: var(--ink-soft);
    font-style: italic;
    font-size: 0.95rem;
    margin: 6px 0;
}

.notice.error {
    color: var(--danger);
}

.retry-btn {
    font-style: normal;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 4px 12px;
    font-size: 0.9rem;
    color: var(--ink);
}

.retry-btn:hover {
    border-color: var(--accent);
}

/* Sources */

.sources {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}

.source {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    max-width: 260px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 3px 10px 3px 4px;
    font-size: 0.8rem;
    color: var(--ink-soft);
    text-decoration: none;
}

.source:hover {
    border-color: var(--accent);
    color: var(--ink);
}

.source b {
    flex: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--ink);
    font-size: 0.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.source span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- Markdown ---------- */

.md > :first-child { margin-top: 0; }
.md > :last-child { margin-bottom: 0; }

.md p,
.md ul,
.md ol,
.md blockquote,
.md table,
.md pre {
    margin: 0 0 0.85em;
}

.md h1, .md h2, .md h3, .md h4 {
    line-height: 1.25;
    margin: 1.3em 0 0.5em;
}

.md h1 { font-size: 1.5rem; }
.md h2 { font-size: 1.3rem; }
.md h3 { font-size: 1.12rem; }
.md h4 { font-size: 1rem; }

.md ul, .md ol {
    padding-left: 1.4em;
}

.md li {
    margin: 0.2em 0;
}

.md li > p { margin: 0.2em 0; }

.md a {
    color: var(--accent);
    text-underline-offset: 2px;
}

.md blockquote {
    border-left: 3px solid var(--accent-soft);
    padding-left: 14px;
    color: var(--ink-soft);
}

.md hr {
    border: none;
    border-top: 1px solid var(--line);
    margin: 1.4em 0;
}

.md code {
    font-family: var(--mono);
    font-size: 0.84em;
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: 5px;
    padding: 0.1em 0.35em;
}

.md table {
    border-collapse: collapse;
    display: block;
    overflow-x: auto;
    max-width: 100%;
    font-size: 0.95rem;
}

.md th, .md td {
    border: 1px solid var(--line);
    padding: 6px 10px;
    text-align: left;
    vertical-align: top;
}

.md th {
    background: var(--surface-2);
}

.code-block {
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
    margin: 0 0 0.85em;
    background: var(--code-bg);
}

.code-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 6px 4px 12px;
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--ink-faint);
    border-bottom: 1px solid var(--line);
    background: var(--surface-2);
}

.code-head button {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    border-radius: 6px;
    padding: 3px 6px;
    font-family: var(--font);
    font-size: 0.8rem;
    color: var(--ink-soft);
}

.code-head button:hover {
    background: color-mix(in srgb, var(--ink) 8%, transparent);
}

.code-head svg {
    width: 14px;
    height: 14px;
}

.md .code-block pre {
    margin: 0;
    padding: 12px 14px;
    overflow-x: auto;
    background: transparent;
}

.md .code-block code,
.md .code-block code.hljs {
    font-size: 0.84rem;
    line-height: 1.55;
    background: transparent;
    border: none;
    padding: 0;
}

/* ---------- Composer ---------- */

.composer-wrap {
    position: relative;
    padding: 0 16px calc(10px + env(safe-area-inset-bottom));
}

.composer {
    max-width: var(--thread-w);
    margin: 0 auto;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 10px 10px 8px 14px;
    transition: border-color 0.15s;
}

.composer:focus-within {
    border-color: var(--accent);
}

.composer textarea {
    display: block;
    width: 100%;
    border: none;
    outline: none;
    resize: none;
    background: transparent;
    color: var(--ink);
    font: inherit;
    line-height: 1.5;
    max-height: 40vh;
    padding: 4px 0;
}

.composer textarea::placeholder {
    color: var(--ink-faint);
}

.composer-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
}

.spacer {
    flex: 1;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 12px 4px 9px;
    font-size: 0.88rem;
    color: var(--ink-soft);
    transition: all 0.15s;
}

.pill svg {
    width: 16px;
    height: 16px;
}

.pill:hover {
    border-color: var(--accent);
    color: var(--ink);
}

.pill[aria-pressed="true"] {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--ink);
}

.send {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--accent);
    color: var(--accent-ink);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.15s, filter 0.15s;
}

.send:hover:not(:disabled) {
    filter: brightness(0.94);
}

.send:disabled {
    opacity: 0.4;
    cursor: default;
}

.send svg {
    stroke-width: 2.2;
}

.send .stop-icon {
    display: none;
    fill: currentColor;
    stroke: none;
}

.composer.busy .send .send-icon { display: none; }
.composer.busy .send .stop-icon { display: block; }

.attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.attachments:not(:empty) {
    margin-bottom: 8px;
}

.attachment {
    position: relative;
}

.attachment img {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--line);
    display: block;
}

.attachment .file-chip {
    height: 64px;
}

.attachment .remove {
    position: absolute;
    top: -7px;
    right: -7px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.attachment .remove svg {
    width: 12px;
    height: 12px;
    stroke-width: 2.4;
}

.disclaimer {
    text-align: center;
    font-size: 0.78rem;
    color: var(--ink-faint);
    margin: 6px 0 0;
}

.jump {
    position: absolute;
    left: 50%;
    top: -48px;
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink-soft);
}

.jump[hidden] {
    display: none;
}

.drop-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--bg) 80%, transparent);
    z-index: 50;
    pointer-events: none;
}

.drop-overlay div {
    border: 3px dashed var(--accent);
    border-radius: 20px;
    padding: 40px 60px;
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--surface);
}

.drop-overlay.show {
    display: flex;
}

.edit-box {
    width: min(85%, 600px);
    background: var(--surface);
    border: 1px solid var(--accent);
    border-radius: 14px;
    padding: 10px 12px;
}

.edit-box textarea {
    width: 100%;
    border: none;
    outline: none;
    resize: none;
    background: transparent;
    font: inherit;
    color: var(--ink);
}

.edit-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 6px;
}

.edit-actions button {
    border-radius: 8px;
    padding: 4px 12px;
    border: 1px solid var(--line);
    background: none;
    font-size: 0.9rem;
}

.edit-actions .primary {
    background: var(--accent);
    color: var(--accent-ink);
    border-color: var(--accent);
}

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 60;
    background: rgba(20, 14, 10, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    cursor: zoom-out;
}

.lightbox img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 8px;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 110px;
    transform: translateX(-50%);
    background: var(--ink);
    color: var(--bg);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 0.9rem;
    z-index: 70;
    box-shadow: var(--shadow);
}

/* ---------- Mobile ---------- */

@media (max-width: 820px) {
    body {
        font-size: 16px;
    }

    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 40;
        width: min(86vw, 320px);
        transform: translateX(-100%);
        box-shadow: var(--shadow);
    }

    .app.sidebar-open .sidebar {
        transform: translateX(0);
    }

    .app.sidebar-collapsed .sidebar {
        margin-left: 0;
    }

    .app.sidebar-open .scrim {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 30;
        background: rgba(20, 14, 10, 0.35);
    }

    .only-mobile {
        display: inline-flex;
    }

    .topbar {
        padding: 8px 10px;
        min-height: 50px;
    }

    .topbar-title {
        text-align: center;
    }

    .suggestions {
        grid-template-columns: 1fr;
    }

    .suggestion:nth-child(n+3) {
        display: none;
    }

    .msg.bot {
        grid-template-columns: minmax(0, 1fr);
        gap: 6px;
    }

    .msg.bot > .avatar {
        width: 28px;
        height: 28px;
    }

    .msg-actions {
        opacity: 1;
    }

    .user-bubble,
    .edit-box {
        max-width: 90%;
    }

    .composer-wrap {
        padding: 0 10px calc(8px + env(safe-area-inset-bottom));
    }

    .disclaimer {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* ---------- Account ---------- */

.account-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    text-align: left;
    background: none;
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 8px;
    color: var(--ink);
}

.account-btn:hover {
    background: color-mix(in srgb, var(--ink) 7%, transparent);
}

.account-btn > svg {
    width: 16px;
    height: 16px;
    color: var(--ink-faint);
}

.account-initial {
    flex: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--accent-ink);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.account-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.account-name,
.account-status {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.account-name {
    font-weight: 500;
    font-size: 0.95rem;
}

.account-status {
    font-size: 0.8rem;
    color: var(--ink-soft);
}

/* ---------- Dialogs ---------- */

.dialog {
    width: min(480px, calc(100vw - 32px));
    max-height: calc(100dvh - 32px);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 0;
    background: var(--surface);
    color: var(--ink);
    box-shadow: var(--shadow);
}

.dialog::backdrop {
    background: rgba(20, 14, 10, 0.45);
}

.dialog-body {
    padding: 26px 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dialog-x {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    border-radius: 8px;
    padding: 6px;
    display: flex;
    color: var(--ink-faint);
}

.dialog-x:hover {
    color: var(--ink);
    background: color-mix(in srgb, var(--ink) 8%, transparent);
}

.dialog-title {
    margin: 0;
    font-size: 1.35rem;
    line-height: 1.25;
    padding-right: 24px;
}

.dialog-sub {
    margin: -4px 0 4px;
    color: var(--ink-soft);
    font-size: 0.95rem;
}

.dialog-sub a,
.dialog a {
    color: var(--accent);
}

.dialog-error {
    margin: 0;
    font-size: 0.9rem;
    color: var(--danger);
}

.dialog-foot {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 6px;
}

.dialog-foot .link {
    margin-right: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 10px;
    padding: 8px 16px;
    border: 1px solid var(--line);
    background: var(--surface);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ink);
    transition: filter 0.15s, border-color 0.15s;
}

.btn:hover:not(:disabled) {
    border-color: var(--accent);
}

.btn:disabled {
    opacity: 0.6;
    cursor: default;
}

.btn.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-ink);
    font-weight: 700;
}

.btn.primary:hover:not(:disabled) {
    filter: brightness(0.94);
}

.btn.ghost {
    border-color: transparent;
    background: none;
    color: var(--ink-soft);
}

.btn.ghost:hover:not(:disabled) {
    color: var(--ink);
    background: color-mix(in srgb, var(--ink) 7%, transparent);
}

.btn.wide {
    width: 100%;
}

.btn.google {
    width: 100%;
    padding: 10px 16px;
}

.btn.google .g {
    width: 18px;
    height: 18px;
    stroke: none;
}

.link {
    background: none;
    border: none;
    padding: 0;
    color: var(--accent);
    font-size: 0.9rem;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.field {
    width: 100%;
    font: inherit;
    font-size: 1rem;
    color: var(--ink);
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px 12px;
    outline: none;
}

.field:focus {
    border-color: var(--accent);
}

.options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.option {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px 16px;
    background: var(--bg);
}

.option h3 {
    margin: 0 0 4px;
    font-size: 1.05rem;
}

.option p {
    margin: 0 0 10px;
    font-size: 0.92rem;
    color: var(--ink-soft);
}

.choices {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.choice {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px 12px;
    cursor: pointer;
}

.choice:has(input:checked) {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.choice input {
    margin-top: 5px;
    accent-color: var(--accent);
}

.choice span {
    display: flex;
    flex-direction: column;
    line-height: 1.35;
}

.choice small {
    color: var(--ink-soft);
    font-size: 0.85rem;
}

.dialog:focus {
    outline: none;
}

.dialog-foot .spacer {
    flex: 1;
}

.btn.danger {
    color: var(--danger);
}

.acct-status {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px 16px;
}

.acct-status p {
    margin: 0;
}

.acct-status .btn {
    margin-top: 10px;
}

.acct-status-title {
    font-weight: 700;
}

.acct-status .muted,
.acct-hint {
    color: var(--ink-soft);
    font-size: 0.88rem;
}

.acct-hint {
    margin: -4px 0 0;
    text-align: center;
}

.acct-rows {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--line);
    margin-top: 4px;
}

.acct-row {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    border-bottom: 1px solid var(--line);
    padding: 12px 4px;
    color: var(--ink);
}

.acct-row:hover {
    background: color-mix(in srgb, var(--ink) 5%, transparent);
}

.acct-row svg {
    width: 16px;
    height: 16px;
    color: var(--ink-faint);
}

.acct-row-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.acct-row-text b {
    font-weight: 500;
}

.acct-row-text small {
    color: var(--ink-soft);
    font-size: 0.85rem;
}

.key-current {
    margin: 0;
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--bg);
    border: 1px solid var(--line);
    font-size: 0.92rem;
}

.meter {
    height: 8px;
    border-radius: 999px;
    background: var(--surface-2);
    border: 1px solid var(--line);
    overflow: hidden;
    margin: 8px 0 6px;
}

.meter span {
    display: block;
    height: 100%;
    background: var(--accent);
    border-radius: 999px;
}

/* ---------- Persona toggle ---------- */

.persona-switch {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    border: none;
    border-radius: 999px;
    background: color-mix(in srgb, var(--ink) 7%, transparent);
    flex: none;
    cursor: pointer;
    transition: background-color 0.15s;
}

.persona-switch:hover {
    background: color-mix(in srgb, var(--ink) 12%, transparent);
}

.persona-switch img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    opacity: 0.5;
    transition: opacity 0.2s, box-shadow 0.2s, transform 0.2s;
}

.persona-switch img.active {
    opacity: 1;
    box-shadow: 0 0 0 2px var(--accent);
    transform: scale(1.04);
}

.sidebar-head {
    gap: 8px;
}

.brand {
    min-width: 0;
    flex: 1;
}

.chat-item .chat-avatar {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    object-fit: cover;
    flex: none;
    margin-left: 8px;
}

.chat-item .chat-avatar + a {
    padding-left: 8px;
}

.topbar-avatar {
    display: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    flex: none;
}

@media (max-width: 820px) {
    .topbar-avatar {
        display: block;
    }
}