/**
 * Mi Escuela de Fútbol - Estilos Principales
 * Diseño moderno, responsivo y atractivo
 */

/* ============================================
   IMPORTAR FUENTES
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
    /* Colores principales */
    --color-primary: #1a73e8;
    --color-primary-dark: #1557b0;
    --color-primary-light: #4285f4;
    --color-secondary: #34a853;
    --color-secondary-dark: #2d8e47;
    --color-accent: #fbbc04;
    --color-danger: #ea4335;

    /* Colores neutros */
    --color-dark: #1f2937;
    --color-gray-900: #111827;
    --color-gray-800: #1f2937;
    --color-gray-700: #374151;
    --color-gray-600: #4b5563;
    --color-gray-500: #6b7280;
    --color-gray-400: #9ca3af;
    --color-gray-300: #d1d5db;
    --color-gray-200: #e5e7eb;
    --color-gray-100: #f3f4f6;
    --color-white: #ffffff;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #34a853 0%, #0f9d58 100%);
    --gradient-danger: linear-gradient(135deg, #ea4335 0%, #c5221f 100%);
    --gradient-dark: linear-gradient(135deg, #1f2937 0%, #111827 100%);

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Bordes */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Transiciones */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   RESET Y BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-100);
    overflow-x: hidden;
}

/* ============================================
   TIPOGRAFÍA
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing);
    color: var(--color-gray-900);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

/* ============================================
   CONTENEDORES
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.card-header {
    border-bottom: 2px solid var(--color-gray-200);
    padding-bottom: var(--spacing);
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0;
}

.card-body {
    padding: 0;
}

.card-footer {
    border-top: 1px solid var(--color-gray-200);
    padding-top: var(--spacing);
    margin-top: var(--spacing-lg);
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background: var(--gradient-success);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-danger {
    background: var(--gradient-danger);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ============================================
   FORMULARIOS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-700);
}

.form-label.required::after {
    content: ' *';
    color: var(--color-danger);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius);
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.grid-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.grid-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.form-control:disabled {
    background-color: var(--color-gray-100);
    cursor: not-allowed;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

.form-text {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-danger);
}

/* ============================================
   TABLAS
   ============================================ */
.table-responsive {
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
}

.table thead {
    background: var(--gradient-dark);
    color: var(--color-white);
}

.table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.table tbody tr {
    transition: var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--color-gray-50);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

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

.badge-warning {
    background-color: var(--color-accent);
    color: var(--color-gray-900);
}

/* ============================================
   ALERTAS
   ============================================ */
.alert {
    padding: 1rem 1.5rem;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius);
    border-left: 4px solid;
}

.alert-success {
    background-color: #d1f4e0;
    border-color: var(--color-secondary);
    color: var(--color-secondary-dark);
}

.alert-danger {
    background-color: #fce8e6;
    border-color: var(--color-danger);
    color: #c5221f;
}

.alert-info {
    background-color: #e3f2fd;
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.alert-warning {
    background-color: #fff4e5;
    border-color: var(--color-accent);
    color: #f57c00;
}

/* ============================================
   NAVEGACIÓN
   ============================================ */
.navbar {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--color-gray-700);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    width: 280px;
    height: 100vh;
    background: var(--gradient-dark);
    color: var(--color-white);
    position: fixed;
    left: 0;
    top: 0;
    overflow-y: hidden;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-menu {
    list-style: none;
    padding: var(--spacing);
}

.sidebar-menu-item {
    margin-bottom: 0.5rem;
}

.sidebar-menu-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    color: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius);
    transition: var(--transition-fast);
}

.sidebar-menu-link:hover,
.sidebar-menu-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.main-content {
    margin-left: 280px;
    padding: var(--spacing-lg);
    min-height: 100vh;
}

/* ============================================
   UTILIDADES
   ============================================ */
.text-center {
    text-align: center;
}

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

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

.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.d-flex {
    display: flex;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

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

.gap-1 {
    gap: var(--spacing-xs);
}

.gap-2 {
    gap: var(--spacing);
}

.gap-3 {
    gap: var(--spacing-md);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        width: 280px;
        z-index: 4100;
        position: fixed !important;
        left: 0;
        top: 0;
        height: 100vh !important;
        box-shadow: none;
    }

    .sidebar.active {
        transform: translateX(0);
        box-shadow: var(--shadow-2xl);
    }

    /* Overlay for mobile sidebar */
    .sidebar.active::after {
        content: '';
        position: fixed;
        top: 0;
        left: 280px;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
        padding-top: 5rem !important;
    }

    .mobile-toggle {
        display: flex !important;
        position: fixed;
        top: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
        background: var(--color-primary);
        color: white;
        border: none;
        border-radius: var(--radius);
        box-shadow: var(--shadow-xl);
        z-index: 4000;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        cursor: pointer;
    }

    .d-flex.justify-between.align-center {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: flex-start !important;
    }

    .d-flex.gap-2.flex-wrap>* {
        flex: 1 1 100% !important;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .btn-sm {
        width: auto;
        /* Keep small buttons small unless they need to be full width */
    }

    .grid-dashboard,
    .grid-form,
    .form-group-grid,
    [style*="grid-template-columns"],
    [style*="display: grid"] {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }

    .card-body {
        overflow-x: auto;
    }

    .table {
        min-width: 500px;
        /* Reduced for better fit */
    }

    /* Stack form groups on mobile */
    .form-group-grid,
    [style*="display: grid"] {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }

    .form-control {
        width: 100% !important;
        max-width: 100% !important;
    }

    .container-fluid {
        padding: 0;
    }
}

.mobile-toggle {
    display: none;
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.spinner {
    animation: spin 1s linear infinite;
}

/* ============================================
   MODALES
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 1rem;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-2xl);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    animation: fadeIn 0.3s ease-out;
}