@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@300;400;500;600;700&display=swap');

/* VFP Design System & Modernization */
:root {
    /* Paleta VFPMéxico */
    --vfp-bdazzled: #34547B;
    --vfp-middle: #70C4D7;
    --vfp-munsell: #4688A4;
    --vfp-sunray: #DFB364;
    --vfp-orange: #F4C970;
    --vfp-quin: #832B4E;
    --vfp-max: #6DB2C6;
    --vfp-grayblue: #6C698D;
    --vfp-cafe: #B37D60;
    --vfp-laurel: #A7BC9E;
    --vfp-light: #f0f9ff;
    --primary: var(--vfp-bdazzled);
    --primary-hover: var(--vfp-munsell);
    --secondary: var(--vfp-middle);
    --text-main: #334155;
    --text-heading: var(--vfp-bdazzled);
    --background: #F8FAFC;
    
    /* Modern Card Effects */
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 4px 6px -1px rgba(52, 84, 123, 0.05), 0 2px 4px -1px rgba(52, 84, 123, 0.03);
}

body { font-family: 'Rubik', sans-serif; background-color: var(--background); color: var(--text-main); -webkit-font-smoothing: antialiased; }

/* INPUTS MODERNOS - CLEANER */
.input-modern { 
    width: 100%; 
    padding: 0.75rem 1rem; 
    border: 1px solid transparent; 
    background-color: #f1f5f9; 
    border-radius: 0.75rem; 
    color: var(--text-main); 
    font-size: 0.95rem; 
    transition: all 0.2s ease; 
}
.input-modern:focus { 
    outline: none; 
    background-color: #ffffff; 
    border-color: var(--vfp-middle); 
    box-shadow: 0 0 0 3px rgba(112, 196, 215, 0.15); 
}
.input-modern:disabled { background-color: #F3F4F6; color: #9CA3AF; cursor: not-allowed; }
.input-modern::placeholder { color: #94A3B8; }

/* BOTONES - PILL SHAPED */
.btn-primary { 
    background: linear-gradient(135deg, var(--vfp-bdazzled), var(--vfp-munsell)); 
    color: white; 
    transition: all 0.2s ease; 
    border: none; 
    cursor: pointer; 
    box-shadow: 0 4px 12px rgba(52, 84, 123, 0.25); 
}
.btn-primary:hover { 
    transform: translateY(-1px); 
    box-shadow: 0 6px 16px rgba(52, 84, 123, 0.35); 
    filter: brightness(1.1);
}
.btn-primary:active { transform: translateY(0); }

/* CARDS */
.card-modern {
    background: var(--glass-bg);
    border: 1px solid #f1f5f9;
    border-radius: 1rem;
    box-shadow: var(--glass-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card-modern:hover {
    box-shadow: 0 10px 15px -3px rgba(52, 84, 123, 0.08), 0 4px 6px -2px rgba(52, 84, 123, 0.04);
}

/* GRADIENTS VFP */
.bg-gradient-vfp { background: linear-gradient(135deg, var(--vfp-bdazzled), var(--vfp-munsell)); }
.bg-gradient-vfp-gold { background: linear-gradient(135deg, var(--vfp-sunray), var(--vfp-orange)); }
.bg-gradient-vfp-accent { background: linear-gradient(135deg, var(--vfp-middle), var(--vfp-max)); }

/* TABS ESTILO PILL */
.tab-btn { padding: 0.5rem 1.25rem; border-radius: 9999px; font-size: 0.875rem; font-weight: 500; color: var(--vfp-grayblue); transition: all 0.2s ease; background: transparent; border: none; cursor: pointer; }
.tab-btn:hover { color: var(--vfp-bdazzled); background-color: rgba(112, 196, 215, 0.1); }
.tab-btn.active { background-color: var(--vfp-middle); color: #fff; font-weight: 600; box-shadow: 0 4px 10px rgba(112, 196, 215, 0.3); }

/* MOBILE OPTIMIZATION */
@media (max-width: 1024px) { .group .button-group { opacity: 1 !important; } }

/* UTILS */
.text-vfp-primary { color: var(--vfp-bdazzled); }
.text-vfp-secondary { color: var(--vfp-middle); }
.text-vfp-danger { color: var(--vfp-quin); }
.bg-vfp-light { background-color: rgba(112, 196, 215, 0.1); }

/* CUSTOM SCROLLBAR */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--vfp-munsell); }

/* ANIMACIONES */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.animate-fade-in { animation: fadeIn 0.4s ease-out forwards; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
.animate-slide-down { animation: slideDown 0.3s ease-out forwards; }

/* Details/Summary Styles */
details summary { list-style: none; cursor: pointer; }
details summary::-webkit-details-marker { display: none; }

/* Availability Grid */
.availability-cell { width: 28px; height: 24px; border: 1px solid #e2e8f0; background-color: #fff; margin: 1px; cursor: pointer; transition: background-color 0.2s; border-radius: 4px; }
.availability-cell:hover { background-color: #f1f5f9; }
.availability-cell.selected { background-color: var(--vfp-middle); border-color: var(--vfp-munsell); }
.availability-cell.disabled { background-color: #f8fafc; cursor: not-allowed; opacity: 0.5; }

/* Academic Plan */
.academic-plan-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; overflow-x: auto; padding-bottom: 1rem; }
.academic-step { background: #fff; border: 1px solid #e2e8f0; border-radius: 0.75rem; padding: 0.75rem; text-align: center; position: relative; min-width: 140px; }
.academic-step.current { border-color: var(--vfp-munsell); box-shadow: 0 4px 6px -1px rgba(112, 196, 215, 0.3); background-color: #f0f9ff; }
.academic-step.completed { background-color: #f0fdf4; border-color: #bbf7d0; }
.academic-step-header { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; margin-bottom: 0.5rem; color: var(--vfp-grayblue); }