/* ==================== Fluent 2 Design System ==================== */

/* Variables CSS para consistencia */
:root {
    --fluent-primary: #6A1B9A;
    --fluent-primary-light: #8E24AA;
    --fluent-primary-dark: #4A148C;
    --fluent-secondary: #323130;
    --fluent-background: #faf9f8;
    --fluent-surface: #ffffff;
    --fluent-border: #e1dfdd;
    --fluent-border-focus: #6A1B9A;
    --fluent-text-primary: #323130;
    --fluent-text-secondary: #605e5c;
    --fluent-shadow-small: 0 1px 2px rgba(0, 0, 0, 0.14), 0 0px 2px rgba(0, 0, 0, 0.12);
    --fluent-shadow-medium: 0 2px 4px rgba(0, 0, 0, 0.14), 0 0px 4px rgba(0, 0, 0, 0.12);
    --fluent-radius-small: 4px;
    --fluent-radius-medium: 8px;
    --fluent-radius-large: 12px;
}

/* Reset y configuración base */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--fluent-background);
    margin: 0;
    line-height: 1.5;
    color: var(--fluent-text-primary);
}

/* ==================== Contenedor principal ==================== */
.card {
    background-color: var(--fluent-surface);
    border-radius: var(--fluent-radius-large);
    box-shadow: var(--fluent-shadow-medium);
    border: 1px solid var(--fluent-border);
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.16), 0 0px 8px rgba(0, 0, 0, 0.14);
    transform: translateY(-1px);
}

.card-body {
    padding: 32px !important;
    margin: 0 !important;
}

/* ==================== Formularios ==================== */
form {
    margin: 0 !important;
}

h3, h4 {
    color: var(--fluent-text-primary);
    font-weight: 600;
    margin-bottom: 24px;
    margin-top: 32px;
}

h3 {
    font-size: 1.75rem;
    margin-top: 0;
}

h4 {
    font-size: 1.25rem;
    border-bottom: 2px solid var(--fluent-primary);
    padding-bottom: 8px;
}

/* ==================== Labels ==================== */
.form-label {
    font-weight: 500;
    color: var(--fluent-text-primary);
    margin-bottom: 8px !important;
    margin-top: 20px !important;
    display: block;
    font-size: 0.875rem;
}

/* ==================== Inputs y Selects ==================== */
.form-control,
.form-select {
    border: 2px solid var(--fluent-border) !important;
    border-radius: var(--fluent-radius-small) !important;
    padding: 12px 16px;
    font-size: 0.875rem;
    background-color: var(--fluent-surface);
    color: var(--fluent-text-primary);
    transition: all 0.2s ease;
    width: 100%;
    margin-bottom: 4px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--fluent-border-focus) !important;
    box-shadow: 0 0 0 2px rgba(106, 27, 154, 0.2) !important;
    outline: none;
    background-color: var(--fluent-surface);
}

.form-control:hover:not(:focus),
.form-select:hover:not(:focus) {
    border-color: var(--fluent-primary-light) !important;
}

.form-control::placeholder {
    color: var(--fluent-text-secondary);
    opacity: 1;
}

.form-control:disabled,
.form-select:disabled {
    background-color: #f3f2f1;
    border-color: #e1dfdd !important;
    color: var(--fluent-text-secondary);
    cursor: not-allowed;
}

/* ==================== Botones ==================== */
.btn {
    border-radius: var(--fluent-radius-small) !important;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 12px 24px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 2px solid transparent !important;
    text-align: center;
    display: inline-block;
    text-decoration: none;
}

.btn.w-100 {
    width: 100%;
    margin: 24px 0 !important;
}

/* Botón primario */
.btn-primary,
.btn[style*="background-color: #35245b"] {
    background-color: var(--fluent-primary) !important;
    color: white !important;
    border-color: var(--fluent-primary) !important;
}

.btn-primary:hover,
.btn[style*="background-color: #35245b"]:hover {
    background-color: var(--fluent-primary-light) !important;
    border-color: var(--fluent-primary-light) !important;
    transform: translateY(-1px);
    box-shadow: var(--fluent-shadow-small);
}

.btn-primary:active,
.btn[style*="background-color: #35245b"]:active {
    background-color: var(--fluent-primary-dark) !important;
    border-color: var(--fluent-primary-dark) !important;
    transform: translateY(0);
}

/* Botón secundario */
.bg-primary-subtle {
    background-color: #f3e5f5 !important;
    color: var(--fluent-primary) !important;
    border-color: var(--fluent-primary) !important;
}

.bg-primary-subtle:hover {
    background-color: #e1bee7 !important;
    transform: translateY(-1px);
    box-shadow: var(--fluent-shadow-small);
}

.btn:disabled {
    background-color: #f3f2f1 !important;
    color: var(--fluent-text-secondary) !important;
    border-color: #e1dfdd !important;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ==================== Checkboxes ==================== */
.form-check {
    margin: 24px 0;
    padding-left: 0;
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin-right: 12px;
    border: 2px solid var(--fluent-border);
    border-radius: 3px;
    background-color: var(--fluent-surface);
    transition: all 0.2s ease;
    cursor: pointer;
    vertical-align: top;
    margin-top: 2px;
}

.form-check-input:checked {
    background-color: var(--fluent-primary);
    border-color: var(--fluent-primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 2px rgba(106, 27, 154, 0.2);
    outline: none;
}

.form-check-label {
    cursor: pointer;
    color: var(--fluent-text-primary);
    line-height: 1.5;
    font-size: 0.875rem;
    display: inline-block;
    margin-left: 8px;
}

.form-check-label a {
    color: var(--fluent-primary);
    text-decoration: none;
}

.form-check-label a:hover {
    text-decoration: underline;
}

/* ==================== Datalist ==================== */
datalist {
    background-color: var(--fluent-surface);
    border: 1px solid var(--fluent-border);
    border-radius: var(--fluent-radius-small);
    box-shadow: var(--fluent-shadow-small);
}

/* ==================== Header con logo ==================== */
div[style*="background-color: #211b52"] {
    background: linear-gradient(135deg, #211b52 0%, #35245b 100%) !important;
    padding: 16px 20px;
    box-shadow: var(--fluent-shadow-small);
    margin-bottom: 32px;
}

div[style*="background-color: #211b52"] img {
    height: 4rem !important;
    margin: 0 !important;
}

/* ==================== Mensaje de error ==================== */
#mensaje-error {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--fluent-radius-small);
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    font-size: 0.875rem;
    display: none;
}

#mensaje-error.show {
    display: block;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== Responsividad ==================== */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .card {
        margin: 0 auto;
        border-radius: var(--fluent-radius-medium);
    }
    
    .card-body {
        padding: 24px 20px !important;
    }
    
    form {
        margin: 0 !important;
    }
    
    h3 {
        font-size: 1.5rem;
        text-align: center;
    }
    
    h4 {
        font-size: 1.125rem;
    }
    
    .form-control,
    .form-select {
        padding: 14px 16px;
        font-size: 1rem;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    div[style*="background-color: #211b52"] {
        text-align: center;
        margin-bottom: 24px;
    }
    
    div[style*="background-color: #211b52"] img {
        height: 3.5rem !important;
    }
}

@media (max-width: 480px) {
    .card-body {
        padding: 20px 16px !important;
    }
    
    .form-control,
    .form-select,
    .btn {
        font-size: 1rem;
    }
    
    h3 {
        font-size: 1.375rem;
    }
    
    h4 {
        font-size: 1rem;
    }
}

/* ==================== Utilidades ==================== */
.border-dark-subtle {
    /* Las clases border se manejan en los selectores específicos */
}

.rounded,
.rounded-3 {
    /* Las clases rounded se manejan en los selectores específicos */
}

.w-100 {
    width: 100% !important;
}

/* ==================== Animaciones suaves ==================== */
* {
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

/* ==================== Estados de focus para accesibilidad ==================== */
.form-control:focus-visible,
.form-select:focus-visible,
.btn:focus-visible,
.form-check-input:focus-visible {
    outline: 2px solid var(--fluent-primary);
    outline-offset: 2px;
}

/* ==================== Mejoras de UX ==================== */
.form-control:invalid:not(:focus):not(:placeholder-shown) {
    border-color: #dc3545 !important;
    background-color: #fef2f2;
}

.form-select:invalid:not(:focus) {
    border-color: #dc3545 !important;
    background-color: #fef2f2;
}

/* Loading state para botones */
.btn.loading {
    position: relative;
    color: transparent !important;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    color: white;
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}