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

:root {
    --bg: #0a0e17;
    --surface: #141b2d;
    --surface2: #1a2340;
    --accent: #00d4ff;
    --accent2: #7c3aed;
    --gold: #fbbf24;
    --green: #10b981;
    --red: #ef4444;
    --text: #e2e8f0;
    --text-dim: #94a3b8;
    --radius: 12px;
}

body {
    font-family: 'Segoe UI', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 640px;
    margin: 0 auto;
    padding: 20px 16px;
}

/* Header */
.app-header {
    text-align: center;
    padding: 32px 0 24px;
}
.app-header h1 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.app-header p {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-top: 4px;
}

/* Cards */
.card {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
}

/* Upload area */
.upload-area {
    border: 2px dashed rgba(0,212,255,0.3);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}
.upload-area:hover {
    border-color: var(--accent);
    background: rgba(0,212,255,0.05);
}
.upload-area.has-file {
    border-color: var(--green);
    background: rgba(16,185,129,0.05);
}
.upload-area input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}
.upload-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
}
.upload-area p { color: var(--text-dim); font-size: 0.85rem; }
.upload-area .filename { color: var(--green); font-weight: 600; margin-top: 8px; }
.preview-img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 8px;
    margin-top: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    color: #fff;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}
.btn-secondary {
    background: var(--surface2);
    border: 1px solid rgba(255,255,255,0.1);
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); }

/* Score display */
.score-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 16px 0;
}
.score-item {
    background: var(--surface2);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}
.score-item .label {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.score-item .value {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 4px;
}
.score-item .value.light { color: #fbbf24; }
.score-item .value.order { color: #3b82f6; }
.score-item .value.flow { color: #10b981; }
.score-item .value.harmony { color: #a78bfa; }

.total-score {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(124,58,237,0.1));
    border-radius: var(--radius);
    margin-bottom: 16px;
}
.total-score .label { color: var(--text-dim); font-size: 0.85rem; }
.total-score .value {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Power display */
.power-display {
    text-align: center;
    padding: 16px;
    background: linear-gradient(135deg, rgba(251,191,36,0.1), rgba(239,68,68,0.1));
    border-radius: var(--radius);
    margin-bottom: 16px;
}
.power-display .label { color: var(--gold); font-size: 0.85rem; font-weight: 600; }
.power-display .value { font-size: 2.5rem; font-weight: 800; color: var(--gold); }

/* Levels */
.level-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin: 12px 0;
}
.level-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--surface2);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.85rem;
}
.level-item .lv { font-weight: 700; color: var(--accent); }

/* Delta */
.delta-positive { color: var(--green); }
.delta-negative { color: var(--red); }
.delta-zero { color: var(--text-dim); }

/* Missions */
.mission-card {
    background: var(--surface2);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    border-left: 3px solid var(--accent);
}
.mission-card .mission-title {
    font-weight: 600;
    margin-bottom: 4px;
}
.mission-card .mission-category {
    font-size: 0.7rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}
.mission-card .steps { font-size: 0.85rem; color: var(--text-dim); }
.mission-card .steps li { margin: 4px 0; margin-left: 16px; }
.mission-card .proof-hint {
    font-size: 0.8rem;
    color: var(--accent2);
    margin-top: 8px;
    font-style: italic;
}

/* Summary */
.summary-text {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.8;
    white-space: pre-wrap;
}

/* Loading */
.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10,14,23,0.85);
    z-index: 100;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.loading-overlay.active { display: flex; }
.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(0,212,255,0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text {
    color: var(--text-dim);
    margin-top: 16px;
    font-size: 0.9rem;
}

/* Comparison */
.comparison-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.comparison-row:last-child { border-bottom: none; }
.comparison-row .attr-name { font-size: 0.85rem; color: var(--text-dim); width: 80px; }
.comparison-row .scores { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; }
.comparison-row .arrow { color: var(--text-dim); }

/* XP gain badge */
.xp-badge {
    display: inline-block;
    background: rgba(16,185,129,0.15);
    color: var(--green);
    padding: 2px 8px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Hero section */
.hero {
    text-align: center;
    padding: 48px 20px;
}
.hero h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
    line-height: 1.3;
}
.hero p {
    color: var(--text-dim);
    font-size: 0.9rem;
    max-width: 400px;
    margin: 0 auto 24px;
}

.features {
    display: grid;
    gap: 12px;
    margin-bottom: 24px;
}
.feature-item {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.feature-icon { font-size: 1.5rem; flex-shrink: 0; }
.feature-item h3 { font-size: 0.9rem; margin-bottom: 2px; }
.feature-item p { font-size: 0.8rem; color: var(--text-dim); }

/* Responsive */
@media (max-width: 480px) {
    .container { padding: 12px; }
    .score-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .score-item .value { font-size: 1.5rem; }
    .total-score .value { font-size: 2.2rem; }
}