:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --primary: #38bdf8;
    --secondary: #818cf8;
    --accent: #22d3ee;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --success: #4ade80;
    --error: #f87171;
    --border: rgba(255, 255, 255, 0.1);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(129, 140, 248, 0.1) 0px, transparent 50%);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-group h1 {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.025em;
}

.logo-group p {
    color: var(--text-dim);
    font-size: 1.1rem;
}

.github-link {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 99px;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.github-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.pipeline {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    overflow-x: auto;
    padding-bottom: 1rem;
}

.stage-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 1rem;
    min-width: 140px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.stage-card::after {
    content: '→';
    position: absolute;
    right: -0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
    font-size: 1.2rem;
}

.stage-card:last-child::after {
    display: none;
}

.stage-card.active {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
    transform: scale(1.05);
}

.stage-card.passed {
    border-color: var(--success);
}

.stage-card h3 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stage-card span {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 1.5rem;
    height: 600px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.editor-container {
    flex: 1;
    position: relative;
}

#code-editor {
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 1rem;
    padding: 1.5rem;
    resize: none;
    outline: none;
}

.controls {
    padding: 1rem 1.5rem;
    background: rgba(15, 23, 42, 0.5);
    display: flex;
    gap: 1rem;
}

button {
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(to bottom right, var(--primary), var(--secondary));
    color: white;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(56, 189, 248, 0.3);
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
}

.tabs {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(15, 23, 42, 0.3);
}

.tab {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.2s;
}

.tab.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary);
}

.result-view {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    white-space: pre-wrap;
}

.token-table {
    width: 100%;
    border-collapse: collapse;
}

.token-table th, .token-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.token-table th {
    color: var(--text-dim);
    font-weight: 600;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.pulse {
    animation: pulse 1s infinite;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}