/* U-Script Web Playground Stylesheet */

:root {
    --bg-base: #0c0814;
    --bg-surface: #150f24;
    --bg-elevated: #1e1533;
    --bg-input: #100b1c;
    --border-color: #2e214d;
    --border-focus: #7c3aed;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent-gold: #f59e0b;
    --accent-gold-hover: #d97706;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 0.65rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    z-index: 10;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-title {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.version-tag {
    font-size: 0.7rem;
    font-weight: 600;
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--accent-gold);
    border: 1px solid rgba(245, 158, 11, 0.3);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
}

.tagline {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.controls-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

select.example-select {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.45rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
    transition: border-color 0.15s ease;
}

select.example-select:focus {
    border-color: var(--accent-purple);
}

.sandbox-toggles {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-color);
    padding: 0.3rem 0.65rem;
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.sandbox-toggles label {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
    user-select: none;
}

.sandbox-toggles input[type="checkbox"] {
    accent-color: var(--accent-gold);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    user-select: none;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: #000;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-gold-hover);
}

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

.btn-secondary {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

.status-badge {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    padding: 0.25rem 0.55rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.status-ready {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    border-color: rgba(16, 185, 129, 0.3);
}

.status-busy {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--accent-gold);
    border-color: rgba(245, 158, 11, 0.3);
}

.status-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
    border-color: rgba(239, 68, 68, 0.3);
}

/* Main Split View */
main {
    display: flex;
    flex: 1;
    overflow: hidden;
    position: relative;
}

.split-container {
    display: flex;
    width: 100%;
    height: 100%;
}

.pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-right: 1px solid var(--border-color);
    background-color: var(--bg-surface);
}

.pane:last-child {
    border-right: none;
}

.pane-header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.pane-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}

.pane-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    background-color: var(--bg-elevated);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.editor-wrapper {
    flex: 1;
    display: flex;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-input);
}

.gutter {
    width: 3.2rem;
    padding: 0.75rem 0.5rem;
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-muted);
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    user-select: none;
    overflow: hidden;
    white-space: pre;
    line-height: 1.5rem;
}

.code-textarea {
    flex: 1;
    padding: 0.75rem;
    background-color: transparent;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.5rem;
    border: none;
    outline: none;
    resize: none;
    white-space: pre;
    overflow: auto;
    tab-size: 4;
}

.code-textarea::selection {
    background-color: rgba(139, 92, 246, 0.35);
}

.readonly-textarea {
    background-color: rgba(0, 0, 0, 0.2);
    color: #a78bfa;
}

.syntax-warning {
    display: none;
    background-color: rgba(245, 158, 11, 0.15);
    border-bottom: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--accent-gold);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
}

/* Bottom Console / Output Drawer */
.output-drawer {
    height: 250px;
    min-height: 180px;
    max-height: 50vh;
    background-color: var(--bg-surface);
    border-top: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.drawer-header {
    background-color: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
    padding: 0.4rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 600;
}

.drawer-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 0.75rem 1rem;
    background-color: #08050e;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.4;
}

.console-output {
    white-space: pre-wrap;
    word-break: break-word;
    color: #e5e7eb;
}

/* JPE Error Card */
.jpe-card {
    background-color: #1a0f1d;
    border: 1px solid rgba(239, 68, 68, 0.35);
    border-left: 4px solid var(--accent-red);
    border-radius: 6px;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0.85rem;
    font-family: var(--font-sans);
}

.jpe-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.5rem;
}

.jpe-badge {
    background-color: var(--accent-red);
    color: #fff;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.75rem;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
}

.jpe-title {
    font-weight: 700;
    color: #fca5a5;
    font-size: 0.95rem;
}

.jpe-body {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: #d1d5db;
}

.jpe-field {
    display: flex;
    align-items: baseline;
    gap: 0.45rem;
}

.jpe-label {
    font-weight: 700;
    color: #9ca3af;
    min-width: 5.5rem;
}

.jpe-text {
    flex: 1;
}

.jpe-suggestion {
    color: #6ee7b7;
    font-weight: 500;
}

.jpe-traceback {
    margin-top: 0.65rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.jpe-traceback summary {
    cursor: pointer;
    user-select: none;
    color: var(--text-secondary);
}

.jpe-traceback pre {
    background-color: rgba(0, 0, 0, 0.4);
    padding: 0.5rem;
    border-radius: 4px;
    margin-top: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #f87171;
    overflow-x: auto;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--bg-elevated);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
    padding: 0.6rem 1.1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.2s ease;
    pointer-events: none;
    z-index: 100;
}

.toast.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive adjustments */
@media (max-width: 800px) {
    .split-container {
        flex-direction: column;
    }
    .pane {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}