:root {
    --ai-bg: #0f172a;
    --ai-card: #1e293b;
    --ai-primary: #38bdf8; /* Neonska modra */
    --ai-accent: #818cf8;
    --ai-success: #22c55e; /* Aktivno/Opravljeno */
    --ai-warning: #f59e0b; /* Odstopanje */
    --ai-danger: #ef4444;  /* Poškodba */
    --ai-text: #f8fafc;
    --ai-text-dim: #94a3b8;
}

/* Osnovni kontejner */
.aitrain-wrapper {
    background-color: var(--ai-bg);
    color: var(--ai-text);
    font-family: 'Inter', -apple-system, sans-serif;
    padding: 2rem;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    max-width: 1000px;
    margin: 20px auto;
}

/* Header Dashboarda */
.aitrain-dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1.5rem;
}

.vdot-score-card {
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-accent));
    padding: 1rem 1.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
}

.vdot-score-card .value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -1px;
}

/* Living Timeline Item */
.timeline-item {
    background: var(--ai-card);
    margin-bottom: 1rem;
    padding: 1.25rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    transition: transform 0.2s ease, border-color 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.timeline-item:hover {
    transform: translateX(5px);
    border-color: var(--ai-primary);
}

.timeline-item.status-completed {
    border-left: 4px solid var(--ai-success);
}

.timeline-item.status-pending {
    border-left: 4px solid var(--ai-warning);
    opacity: 0.8;
}

.item-status {
    font-size: 1.5rem;
    margin-right: 1.5rem;
}

.item-details {
    display: flex;
    flex-direction: column;
}

.item-day {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--ai-text-dim);
    letter-spacing: 1px;
}

.item-task {
    font-size: 1.1rem;
    font-weight: 600;
}

.item-intensity {
    font-size: 0.85rem;
    color: var(--ai-primary);
    font-weight: 500;
}

/* Sidebar kartice */
.aitrain-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.ai-insight-card {
    border-left: 4px solid var(--ai-accent);
    background: linear-gradient(to right, rgba(129, 140, 248, 0.1), transparent);
}

/* Gumbi */
.aitrain-btn-strava {
    background: #fc4c02; /* Strava Orange */
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    font-weight: 700;
    transition: filter 0.2s;
}

.aitrain-btn-strava:hover {
    filter: brightness(1.1);
    color: white;
}

.aitrain-btn-outline {
    background: transparent;
    border: 1px solid var(--ai-text-dim);
    color: var(--ai-text);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    cursor: pointer;
    width: 100%;
    margin-top: 1rem;
}

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

/* Loader animacija */
.aitrain-loader {
    width: 30px;
    height: 30px;
    border: 3px solid rgba(56, 189, 248, 0.2);
    border-top: 3px solid var(--ai-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 10px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Odzivnost */
@media (max-width: 768px) {
    .aitrain-grid {
        display: block;
    }
    .aitrain-dashboard-header {
        flex-direction: column;
        text-align: center;
    }
    .vdot-score-card {
        margin-top: 1rem;
    }
}