/* ===== VARIABLES GLOBALES - TEMA CLARO MODERNO ===== */
:root {
    /* Colores Principales - Paleta Clara y Profesional */
    --primary: #0dcaf0;
    --primary-light: #6edff6;
    --primary-dark: #0bacca;
    --primary-ultra-light: #e8f9fd;

    --secondary: #6c757d;
    --secondary-light: #adb5bd;

    --success: #10b981;
    --success-light: #d1fae5;

    --danger: #ef4444;
    --danger-light: #fee2e2;

    --warning: #f59e0b;
    --warning-light: #fef3c7;

    --info: #3b82f6;
    --info-light: #dbeafe;

    /* Colores de Fondo - Claridad y Limpieza */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-hover: #e2e8f0;

    /* Colores de Texto */
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-white: #ffffff;

    /* Bordes */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;

    /* Fuentes */
    --font-primary: 'Inter', 'Segoe UI', 'Roboto', sans-serif;
    --font-secondary: 'Poppins', 'Inter', sans-serif;

    /* Sombras - Sutiles y Elegantes */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Border Radius - Moderno pero no exagerado */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Transiciones */
    --transition-fast: all 0.15s ease;
    --transition-base: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

/* ===== ESTILOS GLOBALES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-secondary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    flex: 1;
}

/* ===== ESTILOS DE LOGIN - ELEGANTE Y LIMPIO ===== */
.login-body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.login-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(13, 202, 240, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: backgroundMove 20s ease-in-out infinite;
}

@keyframes backgroundMove {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(-10px, 10px); }
    66% { transform: translate(10px, -10px); }
}

.login-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    transition: var(--transition-slow);
    max-width: 450px;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--info), var(--primary));
    background-size: 200% 100%;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.login-card .card-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-white);
    border: none;
    padding: 2.5rem 2rem 2rem 2rem;
    text-align: center;
    position: relative;
}

.logo-container {
    position: relative;
    z-index: 2;
}

.login-logo {
    width: 70px;
    height: 70px;
    filter: brightness(0) invert(1);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.login-title {
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 2;
    letter-spacing: -0.5px;
}

.login-subtitle {
    font-size: 1rem;
    opacity: 0.95;
    position: relative;
    z-index: 2;
    font-weight: 400;
}

.login-form {
    position: relative;
    padding: 2rem;
}

.form-floating {
    position: relative;
    margin-bottom: 1.25rem;
}

.form-floating .form-control {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem 1rem 0.5rem 3.5rem;
    font-size: 1rem;
    transition: var(--transition-base);
    height: auto;
    color: var(--text-primary);
    font-weight: 500;
}

.form-floating .form-control:focus {
    background: var(--bg-primary);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(13, 202, 240, 0.1);
    outline: none;
}

.form-floating .form-control::placeholder {
    color: transparent;
}

.form-floating label {
    color: var(--text-secondary);
    font-weight: 500;
    padding-left: 3.5rem;
    display: flex;
    align-items: center;
    transition: var(--transition-base);
    font-size: 0.95rem;
}

.form-floating label i {
    position: absolute;
    left: 1.25rem;
    color: var(--primary);
    font-size: 1.2rem;
    transition: var(--transition-base);
}

.form-floating .form-control:focus + label i {
    color: var(--primary-dark);
    transform: scale(1.1);
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    z-index: 10;
}

.password-toggle:hover {
    color: var(--primary);
    background: var(--primary-ultra-light);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem 2rem;
    font-weight: 600;
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover::before {
    left: 100%;
}

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

.btn-outline-secondary {
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    background: transparent;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-base);
}

.btn-outline-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--secondary);
    color: var(--text-primary);
}

.alert {
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid;
}

.alert-danger {
    background: var(--danger-light);
    color: var(--danger);
    border-left-color: var(--danger);
}

.alert-success {
    background: var(--success-light);
    color: var(--success);
    border-left-color: var(--success);
}

/* ===== ESTILOS DEL DASHBOARD - MODERNO Y LIMPIO ===== */
.navbar {
    background: var(--bg-primary) !important;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

.navbar-brand {
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--text-primary) !important;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
}

.navbar-brand i {
    margin-right: 0.75rem;
    color: var(--primary);
    font-size: 1.6rem;
}

.navbar-brand:hover {
    color: var(--primary) !important;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.75rem 1.25rem !important;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    margin: 0 0.25rem;
    position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary) !important;
    background: var(--primary-ultra-light);
}

.navbar-nav .nav-link i {
    margin-right: 0.5rem;
}

.dropdown-menu {
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.dropdown-item {
    padding: 0.75rem 1rem;
    font-weight: 500;
    transition: var(--transition-base);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.dropdown-item:hover {
    background: var(--primary-ultra-light);
    color: var(--primary);
}

.dropdown-item i {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
}

/* ===== CONTENEDOR PRINCIPAL ===== */
.container-fluid {
    padding: 2rem 3rem;
}

/* ===== TÍTULOS Y ENCABEZADOS ===== */
.h3, h3 {
    font-family: var(--font-secondary);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.text-gray-800 {
    color: var(--text-primary) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.text-primary {
    color: var(--primary) !important;
}

.text-success {
    color: var(--success) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-danger {
    color: var(--danger) !important;
}

/* ===== CARDS - DISEÑO LIMPIO Y MODERNO ===== */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--info));
    opacity: 0;
    transition: var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.card:hover::before {
    opacity: 1;
}

.card-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    position: relative;
}

.card-header h2,
.card-header h3,
.card-header h4 {
    color: var(--text-primary);
    font-family: var(--font-secondary);
    font-weight: 600;
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

/* Cards de Estadísticas */
.card.border-0 {
    border: 1px solid var(--border-light) !important;
}

.card.border-0 .card-body {
    display: flex;
    align-items: center;
    min-height: 80px;
}

/* Tipografía de Cards de Estadísticas - Compacta */
.card.border-0 .card-body .h5 {
    font-size: 1.5rem !important;
}

.card.border-0 .card-body .small {
    font-size: 0.8rem !important;
}

.card.border-0 .card-body i {
    font-size: 1.3rem !important;
}

/* Círculos de iconos más compactos */
.card.border-0 .card-body .bg-gradient.rounded-circle {
    padding: 0.75rem !important;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Card de Usuario Activo - Asegurar que el nombre se muestre completo */
.card.border-0 .card-body > div:last-child {
    flex: 1;
    min-width: 0;
    overflow: visible;
}

.card.border-0 .card-body .h5 {
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
    line-height: 1.3;
    max-width: 100%;
}

.bg-primary.bg-gradient {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
}

.bg-success.bg-gradient {
    background: linear-gradient(135deg, var(--success), #059669) !important;
}

.bg-warning.bg-gradient {
    background: linear-gradient(135deg, var(--warning), #d97706) !important;
}

.bg-danger.bg-gradient {
    background: linear-gradient(135deg, var(--danger), #dc2626) !important;
}

.bg-info.bg-gradient {
    background: linear-gradient(135deg, var(--info), #2563eb) !important;
}

/* ===== TABLAS - MODERNAS Y LIMPIAS ===== */
.table-responsive {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.table {
    margin: 0;
    background: var(--bg-primary);
}

.table thead th {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding: 1rem 1.25rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
    white-space: nowrap;
}

.table tbody td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-fast);
    color: var(--text-secondary);
}

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

.table tbody tr:hover {
    background: var(--bg-secondary);
}

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

/* ===== BOTONES - SISTEMA MODERNO ===== */
.btn {
    border-radius: var(--radius-md);
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    transition: var(--transition-base);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-fast);
}

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

.btn:hover::before {
    left: 100%;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-white);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: var(--text-white);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: var(--text-white);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: var(--text-white);
}

.btn-info {
    background: linear-gradient(135deg, var(--info), #2563eb);
    color: var(--text-white);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* Botones de acción en tablas */
.btn-group .btn {
    margin: 0 0.25rem;
}

/* ===== FORMULARIOS - MODERNOS Y LIMPIOS ===== */
.form-control,
.form-select {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: var(--transition-base);
    color: var(--text-primary);
    font-weight: 500;
}

.form-control:focus,
.form-select:focus {
    background: var(--bg-primary);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(13, 202, 240, 0.1);
    outline: none;
}

.form-label {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.3px;
}

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

/* ===== BADGES Y ETIQUETAS ===== */
.badge {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.3px;
}

.badge.bg-primary {
    background: var(--primary) !important;
}

.badge.bg-success {
    background: var(--success) !important;
}

.badge.bg-warning {
    background: var(--warning) !important;
    color: var(--text-primary) !important;
}

.badge.bg-danger {
    background: var(--danger) !important;
}

/* ===== ANIMACIONES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.wow {
    visibility: hidden;
}

.wow.fadeInUp,
.wow.fadeInDown,
.wow.slideInRight {
    animation-duration: 0.6s;
    animation-fill-mode: both;
    visibility: visible;
}

.wow.fadeInUp {
    animation-name: fadeInUp;
}

.wow.fadeInDown {
    animation-name: fadeInDown;
}

.wow.slideInRight {
    animation-name: slideInRight;
}

/* ===== UTILIDADES ===== */
.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow {
    box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

.rounded {
    border-radius: var(--radius-md) !important;
}

.rounded-circle {
    border-radius: var(--radius-full) !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .container-fluid {
        padding: 1.5rem 2rem;
    }
}

@media (max-width: 768px) {
    .container-fluid {
        padding: 1rem 1.5rem;
    }

    .login-card {
        margin: 1rem;
        max-width: none;
    }

    .login-title {
        font-size: 1.5rem;
    }

    .login-form {
        padding: 1.5rem;
    }

    .card-header {
        padding: 1rem;
    }

    .card-body {
        padding: 1rem;
    }

    /* Cards de estadísticas más compactas en tablet/móvil */
    .card.border-0 .card-body {
        min-height: 70px;
    }

    .card.border-0 .card-body .h5 {
        font-size: 1.3rem !important;
        line-height: 1.2;
    }

    .card.border-0 .card-body .small {
        font-size: 0.75rem !important;
    }

    .card.border-0 .card-body i {
        font-size: 1.2rem !important;
    }

    .card.border-0 .card-body .bg-gradient {
        padding: 0.75rem !important;
    }

    .table thead th,
    .table tbody td {
        padding: 0.75rem 0.5rem;
        font-size: 0.875rem;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }
}

@media (max-width: 576px) {
    .container-fluid {
        padding: 1rem;
    }

    .login-card .card-header {
        padding: 2rem 1.5rem 1.5rem 1.5rem;
    }

    .login-title {
        font-size: 1.35rem;
    }

    .login-subtitle {
        font-size: 0.9rem;
    }

    .login-form {
        padding: 1.25rem;
    }

    /* Cards de estadísticas en móviles pequeños */
    .card.border-0 .card-body {
        min-height: 60px;
        padding: 0.75rem;
    }

    .card.border-0 .card-body .h5 {
        font-size: 1.1rem !important;
        line-height: 1.2;
    }

    .card.border-0 .card-body .small {
        font-size: 0.7rem !important;
    }

    /* Botones apilados en móvil */
    .btn-group {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .btn-group .btn {
        width: 100%;
        margin: 0;
    }
}

/* ===== MEJORAS ADICIONALES ===== */

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-light);
}

/* Focus visible para accesibilidad */
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Selección de texto */
::selection {
    background: var(--primary-ultra-light);
    color: var(--text-primary);
}

/* Links */
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-base);
}

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

/* HR - Separadores */
hr {
    border: none;
    height: 1px;
    background: var(--border-color);
    margin: 1.5rem 0;
}

/* Loading spinner mejorado */
.spinner-border {
    border-color: var(--primary-ultra-light);
    border-right-color: var(--primary);
}