/* ========================================
   VARIABLES CSS Y PALETA DE COLORES
   ======================================== */

:root {
    /* Paleta de colores principal */
    --color1: #000000;
    --primary: #9f111b;
    --color3: #b11623;
    --color4: #292c37;
    --color5: #cccccc;
    
    /* Colores del sistema */
    --white: #ffffff;
    --black: #1e293b;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Colores adicionales para componentes */
    --gray-25: #f9fafb;
    --gray-75: #f3f4f6;
    --gray-150: #e5e7eb;
    --gray-250: #d1d5db;
    --gray-350: #9ca3af;
    --gray-450: #6b7280;
    --gray-550: #4b5563;
    --gray-650: #374151;
    --gray-750: #1f2937;
    --gray-850: #111827;
    
    /* Colores de estado */
    --success: #10b981;
    --success-light: #dcfce7;
    --success-dark: #166534;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --warning-dark: #92400e;
    --error: #ef4444;
    --error-light: #fee2e2;
    --error-dark: #991b1b;
    --info: #3b82f6;
    --info-light: #dbeafe;
    --info-dark: #1e40af;
    
    /* Colores de roles */
    --role-admin: var(--success-light);
    --role-admin-text: var(--success-dark);
    --role-asesor: var(--info-light);
    --role-asesor-text: var(--info-dark);
    --role-secretaria: #f3e8ff;
    --role-secretaria-text: #7c3aed;
    --role-auxiliar: var(--warning-light);
    --role-auxiliar-text: var(--warning-dark);
    --role-encargado: #e0e7ff;
    --role-encargado-text: #3730a3;
    --role-supervisor: #fce7f3;
    --role-supervisor-text: #be185d;
    --role-coordinador: #ecfdf5;
    --role-coordinador-text: #065f46;
    --role-jefe: var(--error-light);
    --role-jefe-text: var(--error-dark);
    --role-director: #f0f9ff;
    --role-director-text: #0c4a6e;
    --role-vicerrector: #fdf4ff;
    --role-vicerrector-text: #86198f;
    --role-rector: #fffbeb;
    --role-rector-text: #92400e;
    --role-presidente: var(--error-light);
    --role-presidente-text: var(--error-dark);
    --role-decano: #f0fdf4;
    --role-decano-text: #14532d;
    --role-analista: #fefce8;
    --role-analista-text: #a16207;
    --role-docente: #f0f9ff;
    --role-docente-text: #0369a1;
    --role-consultor: #fdf2f8;
    --role-consultor-text: #9d174d;
    
    /* Espaciado */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Bordes */
    --border-radius-sm: 6px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 20px;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 100;
    --z-modal: 2000;
    --z-toast: 3000;
}

/* ========================================
   RESET Y ESTILOS BASE
   ======================================== */

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

html, body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--black);
    background-color: var(--gray-50);
}

/* ========================================
   TIPOGRAFÍA
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--black);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

h1:focus {
    outline: none;
}

p {
    margin-bottom: var(--spacing-md);
}

/* ========================================
   ENLACES Y NAVEGACIÓN
   ======================================== */

a, .btn-link {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover, .btn-link:hover {
    color: var(--color3);
    text-decoration: underline;
}

/* ========================================
   BOTONES
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(159, 17, 27, 0.25);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--color3) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--color3) 0%, var(--primary) 100%);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--gray-50);
    color: var(--black);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background-color: var(--gray-200);
    border-color: var(--gray-400);
}

.btn-success {
    background-color: var(--success);
    color: var(--white);
}

.btn-success:hover {
    background-color: var(--success-dark);
}

.btn-warning {
    background-color: var(--warning);
    color: var(--white);
}

.btn-warning:hover {
    background-color: var(--warning-dark);
}

.btn-error {
    background-color: var(--error);
    color: var(--white);
}

.btn-error:hover {
    background-color: var(--error-dark);
}

.btn-info {
    background-color: var(--info);
    color: var(--white);
}

.btn-info:hover {
    background-color: var(--info-dark);
}

/* ========================================
   FORMULARIOS
   ======================================== */

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
}

.form-control {
    padding: var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(159, 17, 27, 0.25);
    background: var(--white);
}

.form-control:hover {
    border-color: var(--gray-400);
}

.form-control:invalid {
    border-color: var(--error);
}

.form-control:valid {
    border-color: var(--success);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(159, 17, 27, 0.25);
}

.darker-border-checkbox.form-check-input {
    border-color: var(--gray-400);
}

.form-floating > .form-control-plaintext::placeholder, 
.form-floating > .form-control::placeholder {
    color: var(--gray-500);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, 
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ========================================
   VALIDACIÓN
   ======================================== */

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--success);
}

.invalid {
    outline: 1px solid var(--error);
}

.validation-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

/* ========================================
   LAYOUT Y CONTENIDO COMUNES
   ======================================== */

/* Layout principal reutilizable */
.container {
    display: flex;
    min-height: 100vh;
    position: relative;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

.main-content {
    flex: 1;
    background: var(--gray-50);
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
}

.page-content {
    width: 100%;
    max-width: 100%;
    padding: 0 var(--spacing-lg);
    box-sizing: border-box;
}

/* Hero Section reutilizable */
.hero-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--color3) 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    box-sizing: border-box;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    margin: 20px auto;
    padding: 0 var(--spacing-lg);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    line-height: 1.6;
}

/* Hero Navigation */
.hero-navigation {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 10;
}

.nav-icon {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-icon:hover {
    background: rgba(255, 255, 255, 0.25);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* ========================================
   LAYOUT Y CONTENIDO
   ======================================== */


/* ========================================
   BADGES Y ETIQUETAS
   ======================================== */

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background-color: var(--primary);
    color: var(--white);
}

.badge-success {
    background-color: var(--success-light);
    color: var(--success-dark);
}

.badge-warning {
    background-color: var(--warning-light);
    color: var(--warning-dark);
}

.badge-error {
    background-color: var(--error-light);
    color: var(--error-dark);
}

.badge-info {
    background-color: var(--info-light);
    color: var(--info-dark);
}

/* ========================================
   UTILIDADES COMUNES
   ======================================== */

/* Utilidades de texto */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-error { color: var(--error) !important; }
.text-info { color: var(--info) !important; }
.text-muted { color: var(--gray-500) !important; }

/* Utilidades de fondo */
.bg-primary { background-color: var(--primary) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-error { background-color: var(--error) !important; }
.bg-info { background-color: var(--info) !important; }
.bg-light { background-color: var(--gray-50) !important; }

/* Utilidades de borde */
.border-primary { border-color: var(--primary) !important; }
.border-success { border-color: var(--success) !important; }
.border-warning { border-color: var(--warning) !important; }
.border-error { border-color: var(--error) !important; }
.border-info { border-color: var(--info) !important; }

/* Utilidades de display */
.hide-mobile {
    display: block;
}

.show-mobile {
    display: none;
}

.center-content {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.text-center {
    text-align: center;
}

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Utilidades de espaciado */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* ========================================
   MODAL COMUNES
   ======================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.modal-show {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(-20px);
    transition: all 0.3s ease;
}

.modal-overlay.modal-show .modal-container {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-header h3 {
    margin: 0;
    color: var(--gray-900);
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-700);
}

.modal-body {
    padding: var(--spacing-lg);
}

/* ========================================
   ANIMACIONES COMUNES
   ======================================== */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pageSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes gridFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes constructionSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Clases de animación reutilizables - Solo para cards */
.card-fade-in { animation: cardFadeIn var(--transition-normal) ease-out; }

/* ========================================
   ESTADOS Y HOVER
   ======================================== */

.hover-lift {
    transition: transform var(--transition-fast);
}

.hover-lift:hover {
    transform: translateY(-2px);
}

.hover-scale {
    transition: transform var(--transition-fast);
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* ========================================
   FOCUS VISIBLE
   ======================================== */

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ========================================
   LOADING Y SPINNERS
   ======================================== */

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ========================================
   TOOLTIPS
   ======================================== */

.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--black);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: var(--z-dropdown);
}

.tooltip:hover::after {
    opacity: 1;
}

/* ========================================
   SCROLLBAR PERSONALIZADO
   ======================================== */

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ========================================
   BLAZOR ESPECÍFICO
   ======================================== */

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, var(--error);
    padding: 1rem 1rem 1rem 3.7rem;
    color: var(--white);
    border-radius: var(--border-radius-md);
    margin: var(--spacing-md);
}

.blazor-error-boundary::after {
    content: "Ha ocurrido un error.";
    font-weight: 600;
}

/* ========================================
   RESPONSIVE COMUNES
   ======================================== */

/* Media queries para utilidades móviles */
@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
    
    .show-mobile {
        display: block !important;
    }
}

/* Media queries para layout común */
@media (max-width: 1024px) {
    :root {
        --spacing-lg: 20px;
        --spacing-xl: 28px;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 16px;
        --spacing-xl: 24px;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8rem;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .page-content {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 12px;
        --spacing-xl: 20px;
    }
    
    .btn {
        padding: var(--spacing-sm);
        font-size: 0.75rem;
    }
    
    .page-content {
        padding: 0 var(--spacing-xs);
    }
    
    .hero-section {
        padding: var(--spacing-md) 0;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}