:root {
    color-scheme: dark;
    --bg: #08111f;
    --bg-soft: #0f1c31;
    --panel: rgba(10, 20, 38, 0.92);
    --panel-strong: rgba(13, 25, 46, 0.98);
    --text: #e8eefc;
    --muted: #95a6c7;
    --accent: #6366f1;
    --accent-soft: rgba(99, 102, 241, 0.18);
    --accent-border: rgba(99, 102, 241, 0.36);
    --line: rgba(149, 166, 199, 0.16);
    --danger: #ef4444;
    --shadow: 0 24px 80px rgba(3, 8, 20, 0.55);
}

:root[data-theme="light"] {
    color-scheme: light;
    --bg: #eef3fb;
    --bg-soft: #f7f9fd;
    --panel: rgba(255, 255, 255, 0.96);
    --panel-strong: rgba(255, 255, 255, 0.99);
    --text: #10203b;
    --muted: #627391;
    --accent: #4f46e5;
    --accent-soft: rgba(79, 70, 229, 0.1);
    --accent-border: rgba(79, 70, 229, 0.24);
    --line: rgba(16, 32, 59, 0.12);
    --danger: #dc2626;
    --shadow: 0 20px 48px rgba(16, 32, 59, 0.08);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    height: 100%;
}

body {
    margin: 0;
    font-family: Inter, system-ui, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(99, 102, 241, 0.1), transparent 26%),
        linear-gradient(180deg, #050b16 0%, var(--bg) 100%);
    overflow: hidden;
}

:root[data-theme="light"] body {
    background:
        radial-gradient(circle at top left, rgba(79, 70, 229, 0.08), transparent 26%),
        linear-gradient(180deg, #f8fafe 0%, var(--bg) 100%);
}

a {
    color: inherit;
}

button,
select,
textarea {
    font: inherit;
}

#app {
    min-height: 100vh;
    height: 100vh;
    overflow: hidden;
}

.landing-shell {
    width: min(720px, calc(100vw - 32px));
    margin: 64px auto;
    padding: 32px;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.chat-shell {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
    height: 100vh;
    padding: 20px;
    overflow: hidden;
}

.chat-shell.sidebar-collapsed {
    grid-template-columns: 108px 1fr;
}

.sidebar,
.workspace {
    min-height: 0;
    height: calc(100vh - 40px);
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.sidebar {
    display: flex;
    flex-direction: column;
    padding: 18px;
    overflow: hidden;
}

.sidebar-top {
    display: grid;
    gap: 12px;
    margin-bottom: 16px;
}

.sidebar-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.brand-button {
    appearance: none;
    border: 0;
    background: none;
    color: var(--text);
    text-align: left;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.03em;
    cursor: pointer;
    padding: 0;
}

.chat-shell.sidebar-collapsed .sidebar {
    padding: 14px 12px;
}

.chat-shell.sidebar-collapsed .brand-button,
.chat-shell.sidebar-collapsed .sidebar-org,
.chat-shell.sidebar-collapsed .sidebar-meta,
.chat-shell.sidebar-collapsed .sidebar-user-copy,
.chat-shell.sidebar-collapsed .org-switcher,
.chat-shell.sidebar-collapsed .sidebar-label-row,
.chat-shell.sidebar-collapsed .conversation-snippet,
.chat-shell.sidebar-collapsed .conversation-meta,
.chat-shell.sidebar-collapsed .sidebar-library-actions,
.chat-shell.sidebar-collapsed .sidebar-profile-actions {
    display: none;
}

.chat-shell.sidebar-collapsed .sidebar-card {
    padding: 12px;
}

.chat-shell.sidebar-collapsed .sidebar-user-block {
    justify-content: center;
}

.chat-shell.sidebar-collapsed .conversation-row {
    padding: 12px;
}

.chat-shell.sidebar-collapsed .conversation-title-row {
    justify-content: center;
}

.chat-shell.sidebar-collapsed .conversation-title {
    font-size: 12px;
    text-align: center;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding: 7px 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: #cdd4ff;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sidebar-card {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(8, 17, 31, 0.7);
}

.sidebar-card + .sidebar-card {
    margin-top: 14px;
}

.sidebar-library {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.sidebar-library-scroll {
    overflow: auto;
    padding-right: 4px;
    scrollbar-gutter: stable;
}

.sidebar-search {
    display: grid;
    gap: 6px;
    margin-bottom: 12px;
}

.sidebar-search-label {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sidebar-search input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(15, 28, 49, 0.82);
    color: var(--text);
    padding: 11px 13px;
}

.sidebar-empty {
    display: grid;
    gap: 10px;
    padding: 8px 0 4px;
}

.sidebar-label,
.sidebar-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sidebar-org {
    font-size: 18px;
    font-weight: 700;
}

.sidebar-meta {
    margin-top: 6px;
    color: var(--muted);
    font-size: 14px;
}

.sidebar-meta.secondary {
    margin-top: 2px;
    font-size: 13px;
}

.sidebar-user-block {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(15, 28, 49, 0.54);
}

.sidebar-user-avatar {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: var(--accent-soft);
    color: #dfe4ff;
    font-weight: 700;
}

.sidebar-user-copy {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.sidebar-user-copy strong,
.sidebar-user-copy span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-profile-actions,
.sidebar-library-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.org-switcher {
    display: grid;
    gap: 8px;
    margin-top: 14px;
    color: var(--muted);
    font-size: 13px;
}

.org-switcher select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(15, 28, 49, 0.8);
    color: var(--text);
    padding: 12px 14px;
}

.conversation-row {
    width: 100%;
    display: grid;
    gap: 6px;
    text-align: left;
    margin-top: 10px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(11, 23, 42, 0.62);
    color: var(--text);
    cursor: pointer;
    transition: border-color 120ms ease, transform 120ms ease, background 120ms ease;
}

.conversation-row:hover,
.conversation-row.active {
    border-color: var(--accent-border);
    background: var(--panel-strong);
    transform: translateY(-1px);
}

.conversation-title {
    font-weight: 700;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.conversation-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.conversation-snippet,
.conversation-meta {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
}

.conversation-snippet {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.workspace {
    display: grid;
    grid-template-rows: auto auto auto minmax(0, 1fr) auto;
    padding: 22px;
    overflow: hidden;
}

.workspace-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    position: sticky;
    top: 0;
    z-index: 2;
    padding-bottom: 12px;
    margin-bottom: 2px;
    background: linear-gradient(180deg, var(--panel) 75%, rgba(0, 0, 0, 0));
    border-bottom: 1px solid rgba(149, 166, 199, 0.08);
}

.workspace-header h1,
.landing-shell h1 {
    margin: 0 0 8px;
    font-size: clamp(24px, 2.5vw, 34px);
    letter-spacing: -0.04em;
}

.workspace-actions,
.hero-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.status-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 2px 0 4px;
}

.status-card {
    display: grid;
    gap: 6px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(10, 20, 38, 0.56);
}

.status-card.warning {
    border-color: rgba(245, 158, 11, 0.28);
    background: rgba(245, 158, 11, 0.08);
}

.status-card-label {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.workspace-overview {
    display: grid;
    gap: 18px;
    margin-top: 18px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(16, 29, 54, 0.82), rgba(8, 17, 31, 0.72));
}

.workspace-overview-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
}

.workspace-overview-head h2 {
    margin: 0 0 8px;
    font-size: clamp(24px, 3vw, 32px);
    letter-spacing: -0.03em;
}

.workspace-overview-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.workspace-overview-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.overview-card {
    display: grid;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(8, 17, 31, 0.46);
}

.overview-card-head {
    display: grid;
    gap: 4px;
}

.overview-card-list {
    display: grid;
    gap: 10px;
}

.overview-list-item {
    display: grid;
    gap: 6px;
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--panel-strong);
    color: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.overview-list-item:hover {
    border-color: var(--accent-border);
    transform: translateY(-1px);
}

.button,
.inline-button {
    appearance: none;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(15, 28, 49, 0.7);
    color: var(--text);
    padding: 12px 16px;
    text-decoration: none;
    cursor: pointer;
    font-weight: 600;
}

.button.primary {
    background: #6366f1;
    border-color: transparent;
    color: #fff;
}

.button.ghost {
    background: rgba(15, 28, 49, 0.72);
}

.button.danger,
.inline-button.danger {
    color: #fecaca;
}

.button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.muted {
    color: var(--muted);
}

.notice {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.28);
    color: #fecaca;
}

.thread {
    min-height: 0;
    margin-top: 12px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(8, 17, 31, 0.72);
    overflow: auto;
    scrollbar-gutter: stable;
}

.thread-placeholder {
    display: grid;
    place-items: center;
    text-align: center;
    min-height: 320px;
    padding: 32px;
    color: var(--muted);
}

.thread-placeholder h2 {
    margin: 0 0 8px;
    color: var(--text);
}

.thread-placeholder-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 16px;
}

.message-list {
    display: grid;
    gap: 12px;
    padding: 22px 20px 28px;
    max-width: 980px;
    margin: 0 auto;
    align-content: start;
}

.message {
    width: fit-content;
    min-width: min(320px, 100%);
    max-width: min(860px, 100%);
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(17, 30, 52, 0.8);
}

:root[data-theme="light"] .sidebar-card,
:root[data-theme="light"] .thread,
:root[data-theme="light"] .composer,
:root[data-theme="light"] .message,
:root[data-theme="light"] .compare-option,
:root[data-theme="light"] .compare-result-card,
:root[data-theme="light"] .brainstorm-section,
:root[data-theme="light"] .tool-modal,
:root[data-theme="light"] .workspace-overview,
:root[data-theme="light"] .status-card,
:root[data-theme="light"] .overview-card {
    background: rgba(255, 255, 255, 0.94);
}

.message-user {
    justify-self: end;
    background: rgba(53, 66, 118, 0.92);
    border-color: rgba(129, 140, 248, 0.28);
}

.message-assistant {
    justify-self: start;
}

.message-head,
.message-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.message-head {
    margin-bottom: 10px;
}

.message-role {
    font-weight: 700;
}

.message-date {
    color: var(--muted);
    font-size: 13px;
}

.message-body {
    line-height: 1.65;
    white-space: normal;
    word-break: break-word;
}

.message-actions {
    margin-top: 12px;
}

.inline-button {
    padding: 8px 12px;
    font-size: 13px;
    background: rgba(8, 17, 31, 0.72);
}

.badge,
.streaming-dot {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.16);
    color: #cdd4ff;
    font-size: 12px;
}

.badge.subtle {
    background: rgba(148, 163, 184, 0.12);
    color: var(--muted);
}

.composer {
    margin-top: 12px;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 16px;
    background: rgba(8, 17, 31, 0.72);
    position: sticky;
    bottom: 16px;
    z-index: 2;
    backdrop-filter: blur(16px);
    box-shadow: 0 18px 48px rgba(3, 8, 20, 0.28);
}

.composer-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 14px;
}

.composer-toolbar-left,
.composer-toolbar-right {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.toolbar-chip {
    appearance: none;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(15, 28, 49, 0.72);
    color: var(--text);
    padding: 9px 12px;
    cursor: pointer;
    font-size: 13px;
    line-height: 1;
}

.toolbar-chip.active {
    border-color: var(--accent-border);
    background: rgba(99, 102, 241, 0.16);
    color: #dfe4ff;
}

.toolbar-chip.disabled {
    opacity: 0.5;
}

.toolbar-select {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 12px;
}

.toolbar-select-compact {
    min-width: 110px;
}

.toolbar-select select {
    min-width: 180px;
}

.toolbar-select input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(15, 28, 49, 0.8);
    color: var(--text);
    padding: 12px 14px;
}

:root[data-theme="light"] .toolbar-select input {
    background: #fff;
}

textarea {
    min-height: 120px;
    resize: vertical;
    max-height: 42vh;
}

.composer-insight {
    display: grid;
    gap: 10px;
    margin-top: 12px;
    padding: 14px;
    border-radius: 16px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.22);
}

.composer-status-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.composer-helper {
    margin-bottom: 10px;
    line-height: 1.55;
}

.settings-note {
    margin: -2px 0 4px;
    line-height: 1.5;
}

.empty-search-state {
    padding: 18px;
    border: 1px dashed var(--line);
    border-radius: 16px;
    background: rgba(148, 163, 184, 0.06);
}

.empty-search-state strong {
    display: block;
    margin-bottom: 8px;
}

.composer-attachments,
.message-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 12px 0 0;
}

.attachment-chip,
.attachment-card {
    display: grid;
    gap: 4px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--panel-strong);
}

.attachment-chip {
    grid-template-columns: 1fr auto auto;
    align-items: center;
    min-width: 200px;
}

.attachment-chip-name {
    font-weight: 600;
}

.attachment-chip-meta {
    color: var(--muted);
    font-size: 12px;
}

.attachment-remove {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
}

.attachment-card a {
    color: inherit;
    text-decoration: none;
}

.attachment-image {
    width: 180px;
}

.attachment-image img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 12px;
}

.composer-insight-line {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    color: #d7def6;
    line-height: 1.5;
}

.composer-insight-icon {
    flex: 0 0 auto;
}

.persona-suggestion {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    padding-top: 2px;
}

.persona-suggestion-copy {
    display: grid;
    gap: 4px;
}

.suggestions-panel {
    margin: 0 0 16px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--panel);
}

.suggestions-head {
    margin-bottom: 12px;
}

.suggestions-head-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.suggestions-head-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.suggestions-head h3 {
    margin: 0 0 4px;
}

.suggestions-list {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.suggestion-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--bg-soft);
    color: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

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

.suggestion-mode {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.4;
}

.suggestions-empty {
    padding: 4px 0;
}

.auth-shell {
    max-width: 760px;
    margin: 0 auto;
}

.auth-benefits {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    margin-top: 24px;
}

.auth-card-inline {
    width: min(560px, 100%);
    margin: 24px auto 0;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.auth-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
}

.chat-auth-form {
    display: grid;
    gap: 12px;
}

.divider-line {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 18px 0;
    color: var(--muted);
}

.divider-line::before,
.divider-line::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--line);
}

.oauth-inline-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.composer-footer {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-top: 12px;
}

.composer-footer > .muted {
    line-height: 1.5;
}

.composer-footer-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.message-body p {
    margin: 0 0 12px;
}

.message-body p:last-child {
    margin-bottom: 0;
}

.message-body h2,
.message-body h3,
.message-body h4 {
    margin: 18px 0 10px;
    line-height: 1.3;
}

.message-body ul,
.message-body ol,
.message-body blockquote {
    margin: 12px 0;
}

.message-body li + li {
    margin-top: 6px;
}

.message-body blockquote {
    padding: 12px 14px;
    border-left: 3px solid var(--accent);
    background: rgba(99, 102, 241, 0.08);
    border-radius: 0 12px 12px 0;
    color: #d7def6;
}

.message-body pre {
    position: relative;
    overflow: auto;
    margin: 14px 0;
    padding: 16px;
    border-radius: 16px;
    background: #09111f;
    border: 1px solid rgba(148, 163, 184, 0.12);
}

.message-body code {
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 0.92em;
}

.message-body :not(pre) > code {
    padding: 2px 6px;
    border-radius: 8px;
    background: rgba(148, 163, 184, 0.12);
}

.message-body a {
    color: #c7d2fe;
}

.code-copy-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(15, 28, 49, 0.95);
    color: var(--text);
    padding: 6px 10px;
    cursor: pointer;
    font-size: 12px;
}

.tool-overlay {
    position: fixed;
    inset: 0;
    background: rgba(4, 10, 20, 0.74);
    backdrop-filter: blur(10px);
    display: grid;
    place-items: center;
    padding: 24px;
    z-index: 50;
}

.tool-modal {
    width: min(760px, 100%);
    max-height: calc(100vh - 48px);
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(7, 16, 30, 0.98);
    box-shadow: var(--shadow);
    padding: 20px;
    scrollbar-gutter: stable;
}

.tool-modal.wide {
    width: min(1120px, 100%);
}

.tool-modal-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 14px;
}

.tool-modal-head h2,
.brainstorm-result h3,
.brainstorm-section h4 {
    margin: 0;
}

.tool-close {
    appearance: none;
    border: 1px solid var(--line);
    background: rgba(15, 28, 49, 0.72);
    color: var(--text);
    border-radius: 12px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 24px;
}

.tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.search-result-card,
.share-box,
.settings-grid {
    display: grid;
    gap: 12px;
}

.checkbox-line {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--muted);
}

.checkbox-line input {
    width: 16px;
    height: 16px;
}

.settings-avatar-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.settings-avatar-copy {
    display: grid;
    gap: 6px;
}

.avatar-card {
    gap: 14px;
}

.avatar-card-head {
    display: flex;
    align-items: center;
    gap: 14px;
}

.avatar-card-avatar {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.22), rgba(56, 189, 248, 0.22));
    border: 1px solid rgba(99, 102, 241, 0.24);
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 20px;
    color: var(--text);
    overflow: hidden;
}

.avatar-card-avatar-image img,
.avatar-editor-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.avatar-editor-preview {
    align-content: start;
}

.avatar-editor-media {
    margin-top: 6px;
    border: 1px dashed var(--line);
    border-radius: 18px;
    overflow: hidden;
    background: rgba(15, 28, 49, 0.42);
    min-height: 220px;
    display: grid;
    place-items: center;
}

.avatar-editor-image {
    aspect-ratio: 1 / 1;
    max-width: 100%;
}

.avatar-editor-placeholder {
    padding: 24px;
    text-align: center;
    color: var(--muted);
}

.info-panel {
    display: grid;
    gap: 12px;
    margin-top: 16px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--panel);
}

.info-panel-head {
    display: grid;
    gap: 6px;
}

.info-panel-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.info-panel-head h3 {
    margin: 0;
}

.info-panel-list {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.info-card {
    display: grid;
    gap: 8px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--panel-strong);
}

.info-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.5;
}

.info-card a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.settings-section {
    display: grid;
    gap: 12px;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.settings-section h3 {
    margin: 0;
}

.search-result-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.settings-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 16px;
}

.settings-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--panel-strong);
}

.tool-grid {
    display: grid;
    gap: 12px;
    margin-top: 16px;
}

.compare-option,
.compare-result-card,
.brainstorm-section {
    display: grid;
    gap: 8px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(10, 20, 38, 0.92);
}

.shared-only {
    grid-template-columns: 1fr;
}

.compare-option input {
    margin-right: 8px;
}

.compare-option.active {
    border-color: var(--accent-border);
    background: rgba(21, 34, 64, 0.96);
}

.compare-results {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.compare-result-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: baseline;
}

.compare-result-body {
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.tool-textarea {
    width: 100%;
    min-height: 180px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(15, 28, 49, 0.8);
    color: var(--text);
    padding: 14px 16px;
    resize: vertical;
}

.brainstorm-result {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}

@media (max-width: 1100px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 980px) {
    body {
        overflow: auto;
    }

    #app {
        height: auto;
        overflow: visible;
    }

    .chat-shell {
        grid-template-columns: 1fr;
        height: auto;
        overflow: visible;
    }

    .sidebar,
    .workspace {
        min-height: auto;
        height: auto;
    }

    .composer {
        position: static;
        box-shadow: none;
        backdrop-filter: none;
    }

    .status-strip {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .chat-shell {
        padding: 12px;
        gap: 12px;
    }

    .sidebar,
    .workspace,
    .landing-shell {
        border-radius: 22px;
        padding: 16px;
    }

    .workspace {
        grid-template-rows: auto auto auto minmax(280px, 1fr) auto;
    }

    .message-list {
        padding: 16px 14px 22px;
    }

    .message {
        min-width: 0;
        width: 100%;
    }

    .workspace-header,
    .workspace-overview-head,
    .suggestions-head-row,
    .composer-footer,
    .composer-toolbar,
    .persona-suggestion,
    .tool-actions,
    .composer-footer-actions {
        display: grid;
    }

    .toolbar-select select {
        min-width: 0;
        width: 100%;
    }

    .composer {
        padding: 14px;
    }

    .thread {
        min-height: 40vh;
    }

    .sidebar-profile-actions,
    .sidebar-library-actions,
    .workspace-overview-actions,
    .thread-placeholder-actions {
        display: grid;
    }
}