* {
    box-sizing: border-box;
}

:root {
    color-scheme: dark;
    --bg: #07111f;
    --panel: rgba(10, 17, 31, 0.88);
    --panel-soft: rgba(18, 27, 44, 0.9);
    --line: rgba(138, 157, 183, 0.22);
    --text: #edf3ff;
    --soft: #b8c6df;
    --accent: #67e8f9;
    --accent-2: #fb923c;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", Tahoma, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(103, 232, 249, 0.12), transparent 25%),
        radial-gradient(circle at bottom right, rgba(251, 146, 60, 0.12), transparent 28%),
        linear-gradient(155deg, #030712, #0b1324 55%, #111b30);
}

.shell {
    width: min(1440px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 1rem 0 2rem;
}

.topbar,
.topbar-actions,
.card-heading,
.conversation-layout,
.app-grid,
.triple-grid,
.button-row,
.message-head {
    display: flex;
}

.topbar {
    justify-content: space-between;
    align-items: end;
    gap: 1rem;
    padding: 1rem 0 1.4rem;
}

.eyebrow {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.72rem;
    color: var(--accent);
}

.topbar h1,
.auth-card h2,
.conversation-panel h2,
.sidebar-panel h2 {
    margin: 0.3rem 0 0;
}

.topbar-actions {
    align-items: center;
    gap: 0.8rem;
}

.topbar-meta,
.panel-copy,
.character-card p,
.memory-card p,
.empty-note,
.message-content,
.meta-copy {
    color: var(--soft);
}

.app-grid {
    gap: 1rem;
    align-items: stretch;
}

.sidebar-panel {
    width: 390px;
    flex: 0 0 390px;
}

.conversation-panel {
    flex: 1;
}

.panel,
.auth-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.panel {
    padding: 1rem;
}

.compact-panel {
    margin-top: 1rem;
}

.nested-panel {
    padding: 1rem;
    border-radius: 18px;
    background: var(--panel-soft);
}

.stack-layout,
.dual-grid,
.comparison-grid,
.section-nav {
    display: grid;
}

.section-nav {
    grid-template-columns: repeat(5, minmax(0, max-content));
    gap: 0.75rem;
    margin: 0 0 1rem;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    color: var(--text);
    text-decoration: none;
    border: 1px solid var(--line);
    background: rgba(7, 12, 24, 0.72);
}

.nav-link.active,
.subtle-link:hover {
    border-color: rgba(103, 232, 249, 0.26);
    background: rgba(8, 23, 35, 0.95);
}

.subtle-link {
    font-size: 0.92rem;
}

.stack-layout {
    gap: 1rem;
}

.dual-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.comparison-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1rem;
}

.auth-shell {
    min-height: calc(100vh - 2rem);
    display: grid;
    place-items: center;
}

.auth-card {
    width: min(540px, 100%);
    padding: 2rem;
}

.stack-form {
    display: grid;
    gap: 0.85rem;
}

label {
    display: grid;
    gap: 0.35rem;
}

label span,
.message-role,
.tiny-pill {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #94a3b8;
}

input,
textarea,
select,
button {
    font: inherit;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 14px;
    padding: 0.8rem 0.9rem;
    color: var(--text);
    background: rgba(7, 12, 24, 0.9);
}

textarea {
    resize: vertical;
}

.primary-button,
.secondary-button,
.ghost-button {
    border: 0;
    cursor: pointer;
    border-radius: 999px;
    padding: 0.85rem 1.1rem;
    font-weight: 700;
}

.primary-button {
    color: #04111a;
    background: linear-gradient(135deg, var(--accent), #bfdbfe);
}

.secondary-button {
    color: var(--text);
    background: linear-gradient(135deg, rgba(103, 232, 249, 0.12), rgba(167, 139, 250, 0.12));
    border: 1px solid rgba(103, 232, 249, 0.22);
}

.danger-button {
    color: #fee2e2;
    border: 1px solid rgba(248, 113, 113, 0.24);
    background: rgba(127, 29, 29, 0.45);
    border-radius: 999px;
    padding: 0.85rem 1.1rem;
    font-weight: 700;
    cursor: pointer;
}

.ghost-button {
    color: var(--text);
    background: rgba(30, 41, 59, 0.75);
    border: 1px solid var(--line);
}

.triple-grid {
    gap: 0.7rem;
}

.triple-grid > label {
    flex: 1;
}

.character-list,
.chat-links,
.message-stream,
.memory-column,
.log-stack {
    display: grid;
    gap: 0.8rem;
}

.character-list {
    margin-top: 1rem;
}

.character-card {
    border-radius: 18px;
    padding: 1rem;
    background: var(--panel-soft);
    border: 1px solid var(--line);
}

.card-heading {
    justify-content: space-between;
    align-items: start;
    gap: 0.8rem;
}

.card-heading h3 {
    margin: 0;
}

.button-row {
    gap: 0.6rem;
    flex-wrap: wrap;
}

.button-row form {
    margin: 0;
}

.split-heading {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 1rem;
}

.tiny-pill,
.flash-message,
.error-stack {
    border-radius: 999px;
}

.tiny-pill {
    padding: 0.32rem 0.7rem;
    background: rgba(103, 232, 249, 0.12);
    border: 1px solid rgba(103, 232, 249, 0.22);
}

.chat-link {
    display: grid;
    gap: 0.2rem;
    padding: 0.7rem 0.8rem;
    text-decoration: none;
    color: var(--text);
    border-radius: 14px;
    background: rgba(7, 12, 24, 0.72);
    border: 1px solid transparent;
}

.chat-link.active {
    border-color: rgba(103, 232, 249, 0.26);
    background: rgba(8, 23, 35, 0.95);
}

.conversation-header {
    margin-bottom: 1rem;
}

.conversation-layout {
    gap: 1rem;
    align-items: start;
}

.message-column {
    flex: 1.25;
    display: grid;
    gap: 1rem;
}

.memory-column {
    width: 340px;
    flex: 0 0 340px;
}

.message-stream {
    min-height: 440px;
}

.memory-card,
.comparison-card {
    border-radius: 18px;
    padding: 1rem;
    background: rgba(7, 12, 24, 0.72);
    border: 1px solid var(--line);
}

.message-bubble {
    border-radius: 18px;
    padding: 1rem;
    border: 1px solid var(--line);
}

.message-user {
    background: rgba(8, 23, 35, 0.9);
}

.message-assistant {
    background: rgba(26, 19, 50, 0.85);
}

.message-role {
    margin: 0 0 0.5rem;
}

.message-head {
    justify-content: space-between;
    align-items: baseline;
    gap: 0.75rem;
}

.message-meta {
    margin: 0;
    color: #94a3b8;
    font-size: 0.78rem;
}

.message-content {
    white-space: pre-wrap;
    line-height: 1.7;
}

.compact-form {
    margin-top: 0.9rem;
}

.empty-state {
    min-height: 560px;
    display: grid;
    align-content: center;
    justify-items: start;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.checkbox-row input {
    width: auto;
}

.info-block {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 18px;
    background: rgba(14, 23, 39, 0.9);
    border: 1px solid var(--line);
}

.editor-toggle {
    border-top: 1px solid rgba(148, 163, 184, 0.15);
    padding-top: 0.7rem;
}

.editor-toggle summary {
    cursor: pointer;
    color: #cbd5e1;
    font-size: 0.88rem;
}

.panel-heading {
    margin-bottom: 0.35rem;
}

.code-block {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    color: #dbeafe;
    font-size: 0.88rem;
    line-height: 1.6;
    font-family: Consolas, "Courier New", monospace;
}

.flash-message {
    margin: 0 0 1rem;
    padding: 0.7rem 1rem;
    color: #cffafe;
    background: rgba(8, 145, 178, 0.18);
    border: 1px solid rgba(103, 232, 249, 0.24);
}

.error-stack {
    margin: 0 0 1rem;
    padding: 0.8rem 1rem;
    color: #fee2e2;
    background: rgba(127, 29, 29, 0.28);
    border: 1px solid rgba(248, 113, 113, 0.25);
}

.error-stack p {
    margin: 0.25rem 0;
}

@media (max-width: 1180px) {
    .app-grid,
    .conversation-layout {
        flex-direction: column;
    }

    .sidebar-panel,
    .memory-column {
        width: 100%;
        flex: 1 1 auto;
    }

    .dual-grid,
    .comparison-grid,
    .section-nav {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .shell {
        width: min(100% - 1rem, 1440px);
    }

    .topbar {
        align-items: start;
        flex-direction: column;
    }

    .triple-grid {
        flex-direction: column;
    }

    .split-heading {
        flex-direction: column;
        align-items: start;
    }
}

.topbar-subtitle {
    margin: 0.45rem 0 0;
    max-width: 44rem;
    color: var(--soft);
}

.panel-stack {
    display: grid;
    gap: 1rem;
}

.conversation-toolbar,
.conversation-toolbar-group,
.message-actions {
    display: flex;
}

.conversation-toolbar {
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.conversation-toolbar-group,
.message-actions {
    gap: 0.5rem;
    flex-wrap: wrap;
}

.chip-button {
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 999px;
    padding: 0.5rem 0.8rem;
    background: rgba(15, 23, 42, 0.72);
    color: var(--text);
    cursor: pointer;
}

.chip-button.active,
.chip-button:hover {
    border-color: rgba(103, 232, 249, 0.32);
    background: rgba(8, 23, 35, 0.95);
}

.composer-card {
    position: sticky;
    bottom: 0.5rem;
    padding: 1rem;
    border-radius: 20px;
    border: 1px solid rgba(103, 232, 249, 0.18);
    background: rgba(7, 12, 24, 0.96);
    box-shadow: 0 -12px 30px rgba(0, 0, 0, 0.18);
}

.composer-hint {
    align-self: center;
    color: #94a3b8;
    font-size: 0.84rem;
}

.compact-list {
    max-height: 32rem;
    overflow: auto;
    padding-right: 0.2rem;
}

.message-head {
    align-items: start;
}

.message-content {
    white-space: normal;
}

.message-content p,
.message-content blockquote,
.message-content pre {
    margin: 0;
}

.message-content p + p,
.message-content p + blockquote,
.message-content p + pre,
.message-content blockquote + p,
.message-content blockquote + blockquote,
.message-content blockquote + pre,
.message-content pre + p,
.message-content pre + blockquote {
    margin-top: 0.9rem;
}

.message-quote {
    padding: 0.9rem 1rem;
    border-left: 3px solid rgba(103, 232, 249, 0.5);
    background: rgba(8, 23, 35, 0.58);
    color: #d9e4f7;
}

.message-code {
    overflow-x: auto;
    padding: 0.95rem 1rem;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(2, 6, 23, 0.88);
    color: #dbeafe;
    font-size: 0.9rem;
    font-family: Consolas, "Courier New", monospace;
}

[data-async-busy="true"] {
    opacity: 0.72;
    pointer-events: none;
}

.generated-image-meta {
    margin-top: 0.9rem;
}

.generated-image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.85rem;
    margin-top: 0.85rem;
}

.generated-image-link {
    display: block;
}

.generated-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    background: rgba(2, 6, 23, 0.88);
}