/* Variables de Design System RYM */
:root { 
    --rym-main: #004a99; 
    --rym-dark: #121416; 
    --rym-accent: #00d1b2; 
    --rym-premium: #ffd700; 
    --rym-bg: #f0f2f5;
}

/* Base App Layout */
body { 
    background-color: var(--rym-bg); 
    font-family: 'Inter', sans-serif; 
    font-size: 0.9rem; 
}

/* Navigation & Sidebar UI */
.sidebar { 
    min-height: 100vh; 
    background: var(--rym-dark); 
    color: white; 
}

.sidebar-heading { 
    font-size: 0.7rem; 
    font-weight: 700; 
    text-transform: uppercase; 
    color: #495057; 
    margin-top: 1.5rem; 
    padding-bottom: 5px; 
    border-bottom: 1px solid #343a40; 
}

.nav-link { 
    color: #8a8d91; 
    border-radius: 10px; 
    padding: 10px 15px; 
    margin-bottom: 4px; 
    cursor: pointer; 
    transition: background 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active { 
    background: var(--rym-main); 
    color: white; 
}

/* UI Components */
.card-rym { 
    border: none; 
    border-radius: 18px; 
    box-shadow: 0 4px 20px rgba(0,0,0,0.05); 
    background: white; 
}

.premium-zone { 
    border: 2px solid var(--rym-premium); 
    position: relative; 
}

/* Agenda Components */
.agenda-scroll {
    max-height: 250px; 
    overflow-y: auto;
}

.hour-row { 
    border-bottom: 1px solid #eee; 
    min-height: 40px; 
    display: flex; 
    align-items: center; 
}

/* Router / Navigation Tabs States */
.tab-content { 
    display: none; 
}

.tab-content.active { 
    display: block; 
    animation: fadeIn 0.3s forwards; 
}

/* Animations */
@keyframes fadeIn { 
    from { opacity: 0; transform: translateY(4px); } 
    to { opacity: 1; transform: translateY(0); } 
}