.editor-page {
    animation: fadeIn 0.4s ease both;
}

.editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.editor-header h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
}

.editor-header h2 span {
    font-size: 20px;
}

/* Toolbar */
.toolbar {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    flex-wrap: wrap;
}

.toolbar select {
    padding: 9px 14px;
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: var(--transition);
    min-width: 130px;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.toolbar select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.toolbar .btn {
    padding: 9px 20px;
    font-size: 13px;
    border-radius: var(--radius-md);
}

/* File Button Styles */
.btn-file {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
    cursor: pointer;
}

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

.toolbar-spacer {
    flex: 1;
}

/* Editor Container */
#editor-container {
    width: 100%;
    height: 420px;
    border-left: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
    overflow: hidden;
}

/* Execution Inputs (stdin & args) */
.execution-inputs {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.custom-input {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: 10px;
    font-family: var(--font-mono);
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
}

.custom-input:focus {
    border-color: var(--accent-primary);
}

.custom-textarea {
    resize: vertical;
    min-height: 40px;
    height: 40px;
}

/* Terminal / Output */
.terminal-wrapper {
    border: 1px solid var(--border-subtle);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    overflow: hidden;
    margin-bottom: 24px;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.red { background: #f87171; }
.terminal-dot.yellow { background: #fbbf24; }
.terminal-dot.green { background: #34d399; }

.terminal-title {
    font-size: 12px;
    color: var(--text-muted);
    margin-left: 8px;
    font-weight: 500;
}

#terminal {
    width: 100%;
    height: 180px;
    background: var(--bg-terminal);
    color: #34d399;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    box-sizing: border-box;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Analysis Results */
.analysis-panel {
    display: none;
    margin-top: 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    animation: fadeInUp 0.4s ease both;
}

.analysis-panel-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-surface);
}

.analysis-panel-header h3 {
    margin: 0;
    font-size: 1.05rem;
}

.analysis-panel-header .badge {
    font-size: 18px;
}

.analysis-body {
    padding: 24px;
}

/* Complexity Metrics */
.complexity-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.complexity-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 16px;
}

.complexity-card .label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}

.complexity-card .value {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-warning);
    font-family: var(--font-mono);
}

/* Analysis Sections */
.analysis-section {
    margin-bottom: 20px;
}

.analysis-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
}

.analysis-section-title.bugs { color: var(--color-danger); }
.analysis-section-title.security { color: var(--color-warning); }
.analysis-section-title.optimizations { color: var(--color-success); }

.analysis-section ul {
    list-style: none;
    padding: 0;
}

.analysis-section ul li {
    position: relative;
    padding: 8px 0 8px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    border-bottom: 1px solid var(--border-subtle);
}

.analysis-section ul li:last-child {
    border-bottom: none;
}

.analysis-section ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.analysis-section.bugs-section ul li::before { background: var(--color-danger); }
.analysis-section.security-section ul li::before { background: var(--color-warning); }

.analysis-section p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: pre-wrap;
}

/* Improved Code Section */
.improved-code-wrapper {
    margin-top: 24px;
    display: none;
    border-top: 1px solid var(--border-subtle);
    padding-top: 20px;
}

.improved-code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.improved-code-header strong {
    color: var(--color-info);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.improved-code-block {
    display: none;
    background: var(--bg-terminal);
    padding: 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    color: #e8e8ed;
    border: 1px solid var(--border-subtle);
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-wrap;
}

/* Quota Footer */
.quota-footer {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

@media (max-width: 768px) {
    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar select, .toolbar .btn { width: 100%; }
    .toolbar-spacer { display: none; }
    .complexity-grid { grid-template-columns: 1fr; }
    #editor-container { height: 300px; }
    .editor-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .execution-inputs { flex-direction: column; }
}