:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --secondary: #ec4899;
    --background: #f3f4f6;
    --surface: rgba(255, 255, 255, 0.7);
    --surface-solid: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --border: rgba(255,255,255,0.3);
    
    --gradient-bg: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
}

body {
    background: var(--gradient-bg);
    background-attachment: fixed;
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Glassmorphism utility */
.glass-card {
    background: var(--surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding: 2rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Custom Navbar */
.navbar-custom {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 800;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Modern inputs */
.form-control, .form-select {
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    transition: all 0.2s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
    background-color: #fff;
}

/* Buttons */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary), #6366f1);
    color: white;
    border: none;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary-custom:hover {
    background: linear-gradient(135deg, var(--primary-hover), #4f46e5);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.4);
    color: white;
}

.content-wrapper {
    flex: 1;
    padding: 2rem 0;
}

/* Notice Type Badges */
.badge-tarea { background-color: #3b82f6; color: white; }
.badge-excursion { background-color: #10b981; color: white; }
.badge-evento { background-color: #f59e0b; color: white; }
.badge-general { background-color: #6b7280; color: white; }

.table-glass {
    background: rgba(255, 255, 255, 0.6);
    border-radius: 0.5rem;
    overflow: hidden;
}
.table-glass thead th {
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 2px solid #e5e7eb;
    color: #4b5563;
}