simsite/frontend/src/index.css

/* ======================================
   SIMSITE - GLOBAL STYLES
   ====================================== */

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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 100%);
    min-height: 100vh;
    color: #eee;
}

/* ======================================
   HOME PAGE
   ====================================== */

.home-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.home-header {
    text-align: center;
    padding: 60px 20px 40px;
}

.home-header h1 {
    font-size: 3rem;
    background: linear-gradient(135deg, #00d4ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.home-header p {
    color: #888;
    font-size: 1.2rem;
}

/* App Selector */
.app-selector {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    padding: 20px 40px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.app-card {
    background: rgba(30, 30, 50, 0.8);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid #333;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.app-card:not(.disabled):hover {
    transform: translateY(-5px);
    border-color: #00d4ff;
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.app-card.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.app-icon {
    font-size: 2.5rem;
    color: #00d4ff;
    margin-bottom: 15px;
    font-family: 'Times New Roman', serif;
}

.app-card h2 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: #eee;
}

.app-card p {
    color: #888;
    font-size: 0.95rem;
    margin-bottom: 15px;
    line-height: 1.5;
}

.app-card ul {
    list-style: none;
    margin-bottom: 15px;
}

.app-card ul li {
    color: #aaa;
    font-size: 0.85rem;
    padding: 4px 0;
    padding-left: 20px;
    position: relative;
}

.app-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00ff88;
}

.app-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.2);
    color: #00d4ff;
    border-radius: 20px;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.coming-soon {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 4px 10px;
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
    border-radius: 4px;
    font-size: 0.7rem;
    text-transform: uppercase;
}

/* Footer */
.home-footer {
    text-align: center;
    padding: 30px;
    color: #555;
    font-size: 0.85rem;
}

/* ======================================
   LEGACY STYLES (for old simulation pages)
   ====================================== */

.app {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.simulation-form, .simulation-list, .result-section {
    background: rgba(30, 30, 50, 0.8);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #333;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #aaa;
}

.form-group input[type="text"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #444;
    border-radius: 4px;
    box-sizing: border-box;
    background: #1a1a2e;
    color: #eee;
}

.form-group input[type="range"] {
    width: 100%;
}

button {
    background: #00d4ff;
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

button:hover:not(:disabled) {
    background: #00ff88;
}

button:disabled {
    background: #555;
    cursor: not-allowed;
}

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

th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #333;
}

tr:hover {
    cursor: pointer;
    background: rgba(0, 212, 255, 0.1);
}

.status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.9em;
}

.status-completed { background: rgba(0, 255, 136, 0.2); color: #00ff88; }
.status-running { background: rgba(255, 193, 7, 0.2); color: #ffc107; }
.status-failed { background: rgba(255, 107, 107, 0.2); color: #ff6b6b; }
.status-pending { background: rgba(150, 150, 150, 0.2); color: #999; }

.result-image img {
    max-width: 100%;
    border-radius: 4px;
}

.error {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.result-section {
    grid-column: 1 / -1;
}

@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
    }
    
    .app-selector {
        padding: 20px;
    }
}