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

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --bg: #f1f5f9;
    --bg-card: #ffffff;
    --bg-input: #f8fafc;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --border-focus: #4f46e5;
    --success: #16a34a;
    --success-bg: #f0fdf4;
    --warning: #ca8a04;
    --warning-bg: #fefce8;
    --error: #dc2626;
    --error-bg: #fef2f2;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --radius: 10px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

.app {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
}

header {
    text-align: center;
    margin-bottom: 1.5rem;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.125rem;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Grid Layout */
.grid-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border-bottom: 1px solid var(--border);
}

.card-header h2 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.header-actions {
    display: flex;
    gap: 0.375rem;
}

.card-body {
    padding: 1rem;
}

.result-card {
    margin-top: 1rem;
}

/* Grid inside cards */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

/* Fields */
.field {
    margin-bottom: 0.75rem;
}

.field:last-child {
    margin-bottom: 0;
}

.field label {
    display: block;
    font-weight: 500;
    font-size: 0.75rem;
    margin-bottom: 0.375rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

input,
textarea {
    width: 100%;
    padding: 0.625rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.875rem;
    font-family: inherit;
    transition: all 0.15s ease;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    background: var(--bg-card);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-light);
}

textarea {
    resize: vertical;
    min-height: 70px;
}

.code-input {
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    font-size: 0.8rem;
}

/* Chips */
.chip {
    padding: 0.25rem 0.625rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.chip:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
}

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

/* Control Grid */
.control-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.status-block {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.status-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    width: fit-content;
}

.status-badge.idle {
    background: var(--bg-input);
    color: var(--text-muted);
}

.status-badge.starting {
    background: var(--warning-bg);
    color: var(--warning);
}

.status-badge.running {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
}

.status-badge.completed {
    background: var(--success-bg);
    color: var(--success);
}

.status-badge.stopped {
    background: var(--bg-input);
    color: var(--text-muted);
}

.status-badge.error {
    background: var(--error-bg);
    color: var(--error);
}

code {
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    padding: 0.625rem 1rem;
    border: none;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

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

.btn:not(:disabled):hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-danger:not(:disabled):hover {
    background: var(--danger-hover);
}

/* Live View */
.live-url-box {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.625rem 0.75rem;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    word-break: break-all;
    user-select: all;
}

.iframe-container {
    margin-top: 0.75rem;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: #000;
    transition: height 0.3s ease;
}

.iframe-container.collapsed {
    height: 0;
    border: none;
    margin-top: 0;
}

.iframe-container.expanded {
    height: 400px;
}

.iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    pointer-events: none;
    user-select: none;
}

/* Output boxes */
.output-box {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
    overflow-x: auto;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    font-size: 0.8rem;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 300px;
    overflow-y: auto;
}

.output-box.success {
    background: var(--success-bg);
    border-color: #bbf7d0;
    color: var(--success);
}

.output-box.error {
    background: var(--error-bg);
    border-color: #fecaca;
    color: var(--error);
}

.hidden {
    display: none;
}

/* Responsive */
@media (max-width: 900px) {
    .grid-container {
        grid-template-columns: 1fr;
    }

    .app {
        padding: 1rem;
    }
}

@media (max-width: 500px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .control-grid {
        grid-template-columns: 1fr;
    }

    header h1 {
        font-size: 1.25rem;
    }
}