:root {
    /* Crimson Red Dark Palette */
    --bg-main: #1A0A0A;
    --bg-panel: rgba(45, 15, 15, 0.6);
    --border-glass: rgba(214, 48, 49, 0.2);

    --primary: #D63031;
    /* Crimson */
    --primary-hover: #b32525;
    --secondary: #FF7675;
    /* Light Red */
    --accent: #00CEC9;
    /* Teal for contrast/success */

    --text-main: #FDF4F4;
    --text-muted: #F8BBD0;
    /* Soft pink-ish gray */

    --error: #FF4757;
    --success: #2ED573;

    --radius: 12px;
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'Fira Code', monospace;
}

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

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

/* Glassmorphism Background */
.glass-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    background: radial-gradient(circle at 80% 0%, rgba(214, 48, 49, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 10% 90%, rgba(0, 206, 201, 0.08) 0%, transparent 40%);
}

.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Layout */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-radius: 0 0 var(--radius) var(--radius);
    margin-bottom: 2rem;
    border-top: none;
}

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

.logo-icon {
    width: 28px;
    height: 28px;
    color: var(--secondary);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.status-badge {
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.1);
}

.status-badge.supported {
    background: rgba(46, 213, 115, 0.2);
    color: var(--success);
}

.status-badge.unsupported {
    background: rgba(255, 71, 87, 0.2);
    color: var(--error);
}

.container {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 1.5rem;
    padding: 0 2rem 2rem 2rem;
    flex-grow: 1;
    align-items: start;
}

/* Panels */
.panel {
    padding: 1.5rem;
}

.panel h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--secondary);
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 0.75rem;
}

/* Forms */
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

.input-control {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: 0.2s ease;
}

.input-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(214, 48, 49, 0.2);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn.small {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.btn.full-width {
    width: 100%;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    box-shadow: 0 4px 15px rgba(214, 48, 49, 0.3);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(214, 48, 49, 0.4);
}

.secondary-btn {
    background: var(--accent);
    color: #000;
    box-shadow: 0 4px 15px rgba(0, 206, 201, 0.2);
}

.secondary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 206, 201, 0.3);
}

.outline-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
}

.outline-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Flow Visualization */
.flow-vis {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.4;
    transition: 0.3s ease;
}

.step.active {
    opacity: 1;
}

.step.active .step-icon {
    background: var(--primary);
    border-color: var(--secondary);
    box-shadow: 0 0 15px rgba(214, 48, 49, 0.5);
}

.step.success .step-icon {
    background: var(--success);
    border-color: #7bed9f;
    box-shadow: 0 0 15px rgba(46, 213, 115, 0.4);
}

.step.error .step-icon {
    background: var(--error);
    border-color: #ff7f50;
    box-shadow: 0 0 15px rgba(255, 71, 87, 0.4);
}

.step-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    transition: 0.3s ease;
}

.step-label {
    font-size: 0.8rem;
    font-weight: 500;
}

.step-connector {
    flex-grow: 1;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 1rem;
    margin-top: -20px;
}

/* Inspector */
.flex-grow {
    flex-grow: 1;
}

.flex-col {
    display: flex;
    flex-direction: column;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.inspector-tabs {
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid var(--border-glass);
    margin-bottom: 1rem;
}

.tab {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 0.25rem;
    cursor: pointer;
    position: relative;
}

.tab:after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--secondary);
    transform: scaleX(0);
    transition: 0.2s;
}

.tab:hover {
    color: #fff;
}

.tab.active {
    color: var(--secondary);
}

.tab.active:after {
    transform: scaleX(1);
}

.tab-content {
    display: none;
    flex-grow: 1;
    background: #000;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.tab-content.active {
    display: block;
}

.tab-content pre {
    margin: 0;
    padding: 1rem;
    height: 400px;
    overflow: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* Parsed View */
.parsed-view {
    padding: 1rem;
    height: 400px;
    overflow: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.parsed-view .section {
    margin-bottom: 1.5rem;
}

.parsed-view h3 {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.25rem;
}

.kv-row {
    display: flex;
    margin-bottom: 0.25rem;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

.kv-key {
    width: 160px;
    color: var(--text-muted);
    font-weight: 500;
}

.kv-val {
    flex-grow: 1;
    word-break: break-all;
    color: #a6e22e;
}

/* Monokai string color */

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--primary);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    font-weight: 500;
    box-shadow: 0 5px 15px rgba(214, 48, 49, 0.4);
    transition: 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-3 {
    margin-top: 1rem;
}

.mt-4 {
    margin-top: 1.5rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.text-sm {
    font-size: 0.85rem;
}

.text-center {
    text-align: center;
}

@media (max-width: 1000px) {
    .container {
        grid-template-columns: 1fr;
    }
}