style.css

:root {
    --bg: #0a0a0f;
    --surface: #14141e;
    --surface-alt: #1c1c2a;
    --border: #2a2a3e;
    --text: #e0e0e8;
    --text-dim: #8888a0;
    --accent: #00c8ff;
    --accent-dim: #006880;
    --success: #00e870;
    --danger: #ff4466;
    --warning: #ffa830;
    --radius: 8px;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 10px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    min-height: 80px;
}

header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.5px;
}

header h1 span {
    color: var(--text-dim);
    font-weight: 400;
}

.header-logo {
    height: 7em;
    width: 10em;
}

.ollama-status {
    margin-left: auto;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius);
    white-space: nowrap;
}

.ollama-status.ok {
    color: var(--success);
    background: rgba(0, 232, 112, 0.1);
}

.ollama-status.err {
    color: var(--danger);
    background: rgba(255, 68, 102, 0.1);
}

.ollama-status.checking {
    color: var(--text-dim);
}

header .badge-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-dim);
}

header .badge-status .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--danger);
}

header .badge-status .dot.connected {
    background: var(--success);
}

.layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    flex: 1;
    min-height: 0;
}

.sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.field-group label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
}

.field-group input,
.field-group select {
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 12px;
    color: var(--text);
    font-size: 14px;
    font-family: var(--font-mono);
    outline: none;
    transition: border-color 0.2s;
}

.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
    border-color: var(--accent);
}

.field-group textarea {
    width: 100%;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 12px;
    color: var(--text);
    font-size: 12px;
    font-family: var(--font-mono);
    outline: none;
    resize: vertical;
    line-height: 1.5;
    transition: border-color 0.2s;
}

.field-group .hint {
    font-size: 11px;
    color: var(--text-dim);
}

.provider-toggle {
    display: flex;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 3px;
    gap: 3px;
}

.provider-btn {
    flex: 1;
    padding: 8px 12px;
    border: none;
    background: transparent;
    color: var(--text-dim);
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-radius: calc(var(--radius) - 3px);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.provider-btn:hover { color: var(--text); }

.provider-btn.active {
    background: var(--accent);
    color: var(--bg);
}

.btn-row {
    display: flex;
    gap: 8px;
}

.btn {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
    background: var(--accent);
    color: var(--bg);
}

.btn-success {
    background: var(--success);
    color: var(--bg);
}

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

.btn-secondary {
    background: var(--surface-alt);
    color: var(--text);
    border: 1px solid var(--border);
}

.main-area {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tabs {
    display: flex;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 16px;
}

.tab {
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dim);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: var(--font-sans);
}

.tab:hover { color: var(--text); }
.tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-panel {
    flex: 1;
    display: none;
    overflow: hidden;
}

.tab-panel.active {
    display: flex;
    flex-direction: column;
}

.editor-actions {
    display: flex;
    gap: 6px;
    padding: 8px 12px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--surface-alt);
    color: var(--text-dim);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.icon-btn:hover {
    color: var(--text);
    border-color: var(--accent-dim);
}

.icon-btn.success {
    color: var(--success);
    border-color: var(--success);
}

.icon-btn-icon {
    font-size: 14px;
    line-height: 1;
}

.code-editor {
    flex: 1;
    position: relative;
    display: flex;
    overflow: hidden;
}

.line-numbers {
    flex-shrink: 0;
    width: 52px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 16px 0;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-dim);
    text-align: right;
    overflow: hidden;
    user-select: none;
}

.line-numbers span {
    display: block;
    padding-right: 12px;
    color: inherit;
    transition: color 0.1s;
}

.code-editor textarea {
    flex: 1;
    min-width: 0;
    height: 100%;
    background: var(--bg);
    color: var(--text);
    border: none;
    padding: 16px 20px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    resize: none;
    outline: none;
    tab-size: 4;
}

.log-output {
    flex: 1;
    background: var(--bg);
    padding: 16px 20px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.log-output .log-info { color: var(--accent); }
.log-output .log-ok { color: var(--success); }
.log-output .log-err { color: var(--danger); }
.log-output .log-warn { color: var(--warning); }
.log-output .log-dim { color: var(--text-dim); }

.progress-bar {
    height: 3px;
    background: var(--border);
    overflow: hidden;
}

.progress-bar .fill {
    height: 100%;
    background: var(--accent);
    width: 0%;
    transition: width 0.3s;
}

.progress-bar .fill.indeterminate {
    width: 30%;
    animation: indeterminate 1.2s ease-in-out infinite;
}

@keyframes indeterminate {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(450%); }
}

.error-panel {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.error-panel textarea {
    flex: 1;
    background: var(--bg);
    color: var(--danger);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.5;
    resize: none;
    outline: none;
}

.error-panel .hint {
    font-size: 11px;
    color: var(--text-dim);
}

.section-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 4px 0;
}

.collapsible-header {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    user-select: none;
}

.collapsible-header .arrow {
    transition: transform 0.2s;
    font-size: 10px;
}

.collapsible-header.open .arrow {
    transform: rotate(90deg);
}

.collapsible-body {
    display: none;
    margin-top: 6px;
}

.collapsible-body.open {
    display: block;
}

footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 10px 24px;
    font-size: 12px;
    color: var(--text-dim);
    text-align: center;
}

footer a {
    color: var(--accent);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 900px) {
    .layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }
    .sidebar {
        max-height: 40vh;
    }
}