/* Estilos generales */
/* ========================================
   TAXFLOW360 - MAIN STYLES
   ======================================== */

/* CSS Custom Properties (Variables) */
:root {
    /* Colors - Corporativos TaxFlow360 */
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --primary-light: #8facd0;
    --secondary-color: #8690a3;
    --success-color: #2ecc71;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f4f7fa;
    --dark-color: #2c3e50;

    /* Accent */
    --accent-orange: #e67e22;

    /* Gradients - Corporativos */
    --primary-gradient: linear-gradient(to right, #2c3e50, #3498db);
    --hero-gradient: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    --feature-gradient: linear-gradient(135deg, rgba(52, 152, 219, 0.10) 0%, rgba(41, 128, 185, 0.05) 100%);

    /* Typography */
    --font-family-base: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-family-heading: 'Segoe UI', system-ui, sans-serif;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-sm: 0.875rem;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* Borders */
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 1rem;
    --border-width: 1px;

    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    --shadow-hover: 0 0.5rem 1.5rem rgba(52, 152, 219, 0.3);

    /* Transitions */
    --transition-base: all 0.3s ease-in-out;
    --transition-fast: all 0.15s ease-in-out;
    --transition-slow: all 0.5s ease-in-out;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ========================================
   BASE STYLES
   ======================================== */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 76px;
    /* Height of fixed navbar */
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #ffffff;
    overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

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

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

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

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

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

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    padding: var(--spacing-md) 0;
    backdrop-filter: blur(10px);
    background-color: rgba(44, 62, 80, 0.97) !important;
    box-shadow: var(--shadow);
    transition: var(--transition-base);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    transition: var(--transition-fast);
}

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

.navbar-nav .nav-link {
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: 0 var(--spacing-xs);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.navbar-toggler {
    border: none;
    padding: var(--spacing-xs);
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* Dropdown Styles */
.dropdown-menu {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    padding: var(--spacing-sm) var(--spacing-md);
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--feature-gradient);
    color: var(--primary-color);
}

/* Button Styles in Navbar */
.navbar .btn {
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-base);
}

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

/* ========================================
   HERO SECTION
   ======================================== */

.hero-section {
    background: var(--hero-gradient);
    color: white;
    position: relative;
    overflow: hidden;
    padding-top: 76px;
    /* Navbar height */
}

.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 1000 100" fill="white" opacity="0.1"><polygon points="0,100 1000,0 1000,100"/></svg>') no-repeat center bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.hero-buttons .btn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-xl);
    transition: var(--transition-base);
}

.hero-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.hero-buttons .btn-primary {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    color: var(--primary-color);
    border: none;
}

.hero-buttons .btn-outline-primary {
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.hero-buttons .btn-outline-primary:hover {
    background: white;
    color: var(--primary-color);
    border-color: white;
}

/* Hero Image/Card */
.hero-image {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

.hero-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xxl);
    text-align: center;
    max-width: 400px;
    transition: var(--transition-base);
}

.hero-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.hero-icon {
    font-size: 4rem;
    color: white;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.hero-card h3 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.hero-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

/* ========================================
   FEATURES SECTION
   ======================================== */

.features-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #f4f7fa 0%, #ffffff 100%);
}

.section-title {
    color: var(--dark-color);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    margin: var(--spacing-md) auto 0;
    border-radius: var(--border-radius);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--secondary-color);
    max-width: 600px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(52, 152, 219, 0.12);
    transition: var(--transition-base);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--feature-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    transition: var(--transition-base);
}

.feature-card:hover .feature-icon {
    background: var(--primary-gradient);
    transform: scale(1.1);
}

.feature-icon i {
    font-size: 2rem;
    color: var(--primary-color);
    transition: var(--transition-base);
}

.feature-card:hover .feature-icon i {
    color: white;
}

.feature-card h4 {
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-semibold);
}

.feature-card p {
    color: var(--secondary-color);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact-section {
    padding: var(--spacing-xxl) 0;
}

.contact-item {
    padding: var(--spacing-lg);
    transition: var(--transition-base);
}

.contact-item:hover {
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    display: block;
}

.contact-item h5 {
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
}

.contact-item p {
    color: var(--secondary-color);
    margin-bottom: 0;
    font-size: var(--font-size-lg);
}

/* ========================================
   FOOTER
   ======================================== */

.footer-brand {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.social-links a {
    display: inline-block;
    transition: var(--transition-fast);
}

.social-links a:hover {
    transform: translateY(-3px);
    color: var(--primary-light) !important;
}

/* ========================================
   MODALS
   ======================================== */

.modal-content {
    border: none;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-header {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: var(--spacing-lg) var(--spacing-xl);
}

.modal-title {
    font-weight: var(--font-weight-semibold);
}

.modal-header .btn-close {
    filter: invert(1);
    opacity: 0.8;
}

.modal-header .btn-close:hover {
    opacity: 1;
}

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

/* Form Styles */
.form-label {
    font-weight: var(--font-weight-medium);
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.3);
}

.input-group .btn {
    border: 2px solid #e9ecef;
    border-left: none;
}

.input-group .form-control:focus+.btn {
    border-color: var(--primary-color);
}

.form-text {
    font-size: var(--font-size-sm);
    color: var(--secondary-color);
    margin-top: var(--spacing-xs);
}

/* Button Styles */
.btn {
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    transition: var(--transition-base);
    border-width: 2px;
}

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

.btn-primary {
    background: var(--primary-gradient);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-hover);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.btn-outline-secondary {
    color: var(--secondary-color);
    border-color: #dee2e6;
}

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

/* Alert Styles */
.alert {
    border: none;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.alert-success {
    background: linear-gradient(135deg, #d4f0e4 0%, #e8f7ef 100%);
    color: var(--success-color);
}

.alert-danger {
    background: linear-gradient(135deg, #fce4e4 0%, #fdf0f0 100%);
    color: var(--danger-color);
}

.alert ul {
    margin-bottom: 0;
    padding-left: var(--spacing-lg);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .hero-content {
        padding-right: var(--spacing-xl);
    }

    .feature-card {
        margin-bottom: var(--spacing-xl);
    }
}

/* Medium devices (tablets, 768px and up) */
@media (max-width: 991.98px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

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

    .hero-image {
        margin-top: var(--spacing-xl);
    }

    .features-section {
        padding: var(--spacing-xl) 0;
    }

    .contact-section {
        padding: var(--spacing-xl) 0;
    }
}

/* Small devices (landscape phones, 576px and up) */
@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2.5rem;
        text-align: center;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .hero-card {
        max-width: 300px;
        padding: var(--spacing-xl);
    }

    .hero-icon {
        font-size: 3rem;
    }

    .feature-card {
        margin-bottom: var(--spacing-lg);
    }

    .section-title {
        font-size: 2rem;
    }

    .navbar-nav {
        text-align: center;
        padding-top: var(--spacing-md);
    }

    .navbar-nav .nav-item {
        margin: var(--spacing-xs) 0;
    }

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

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

/* Extra small devices (portrait phones, less than 576px) */
@media (max-width: 575.98px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-card {
        padding: var(--spacing-lg);
    }

    .feature-card {
        padding: var(--spacing-lg);
    }

    .contact-item {
        padding: var(--spacing-md);
    }

    .btn-lg {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
}

/* ========================================
   ANIMATIONS & INTERACTIONS
   ======================================== */

/* Scroll animations */
@media (prefers-reduced-motion: no-preference) {
    .feature-card {
        opacity: 0;
        transform: translateY(30px);
        animation: fadeInUp 0.6s ease-out forwards;
    }

    .feature-card:nth-child(1) {
        animation-delay: 0.1s;
    }

    .feature-card:nth-child(2) {
        animation-delay: 0.2s;
    }

    .feature-card:nth-child(3) {
        animation-delay: 0.3s;
    }

    .feature-card:nth-child(4) {
        animation-delay: 0.4s;
    }

    .feature-card:nth-child(5) {
        animation-delay: 0.5s;
    }

    .feature-card:nth-child(6) {
        animation-delay: 0.6s;
    }
}

/* Focus states for accessibility */
.btn:focus,
.form-control:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading states */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Print styles */
@media print {

    .navbar,
    .hero-section,
    .modal,
    .btn {
        display: none !important;
    }

    .features-section,
    .contact-section {
        break-inside: avoid;
    }
}

/* ========================================
   ESTILOS ADICIONALES PARA MODALES DE LOGIN
   ======================================== */

/* Estilos específicos para los modales de autenticación */
.modal-content {
    border: none;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    background: white;
}

.modal-header {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: var(--spacing-lg) var(--spacing-xl);
    position: relative;
}

.modal-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.modal-title {
    font-weight: var(--font-weight-semibold);
    font-size: 1.25rem;
}

.modal-header .btn-close {
    filter: invert(1);
    opacity: 0.8;
    transition: var(--transition-fast);
}

.modal-header .btn-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

.modal-body {
    padding: var(--spacing-xl);
    background: #ffffff;
}

.modal-footer {
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    padding: var(--spacing-lg) var(--spacing-xl);
}

/* Form Styles específicos para modales */
.modal .form-label {
    font-weight: var(--font-weight-medium);
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.modal .form-control {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    background-color: #ffffff;
}

.modal .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.3);
    background-color: #ffffff;
}

.modal .form-control.is-valid {
    border-color: var(--success-color);
    background-color: #ffffff;
}

.modal .form-control.is-invalid {
    border-color: var(--danger-color);
    background-color: #ffffff;
}

.modal .input-group .btn {
    border: 2px solid #e9ecef;
    border-left: none;
    transition: var(--transition-fast);
}

.modal .input-group .form-control:focus+.btn {
    border-color: var(--primary-color);
}

.modal .input-group .form-control.is-valid+.btn {
    border-color: var(--success-color);
}

.modal .input-group .form-control.is-invalid+.btn {
    border-color: var(--danger-color);
}

/* Button Styles en modales */
.modal .btn {
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    transition: var(--transition-base);
    border-width: 2px;
    position: relative;
    overflow: hidden;
}

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

.modal .btn-primary {
    background: var(--primary-gradient);
    border-color: var(--primary-color);
    color: white;
}

.modal .btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-hover);
}

.modal .btn-outline-secondary {
    color: var(--secondary-color);
    border-color: #dee2e6;
    background: transparent;
}

.modal .btn-outline-secondary:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

/* Loading states para botones en modales */
.modal .btn.loading {
    color: transparent;
    pointer-events: none;
}

.modal .btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Alert Styles en modales */
.modal .alert {
    border: none;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
}

.modal .alert-success {
    background: linear-gradient(135deg, #d4f0e4 0%, #e8f7ef 100%);
    color: var(--success-color);
    border-left-color: var(--success-color);
}

.modal .alert-danger {
    background: linear-gradient(135deg, #fce4e4 0%, #fdf0f0 100%);
    color: var(--danger-color);
    border-left-color: var(--danger-color);
}

.modal .alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #fff8e1 100%);
    color: var(--warning-color);
    border-left-color: var(--warning-color);
}

.modal .alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #e8f4f8 100%);
    color: var(--info-color);
    border-left-color: var(--info-color);
}

/* Form Text Styles */
.modal .form-text {
    font-size: var(--font-size-sm);
    color: var(--secondary-color);
    margin-top: var(--spacing-xs);
    line-height: 1.4;
}

/* Valid/Invalid Feedback */
.modal .valid-feedback,
.modal .invalid-feedback {
    display: block;
    width: 100%;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.modal .valid-feedback {
    color: var(--success-color);
}

.modal .invalid-feedback {
    color: var(--danger-color);
}

/* Estilos específicos para el modal de cambio de contraseña obligatorio */
#changePasswordModal .modal-content {
    border: 2px solid var(--warning-color);
}

#changePasswordModal .modal-header {
    background: linear-gradient(135deg, var(--warning-color) 0%, #ffd60a 100%);
    color: var(--dark-color);
}

#changePasswordModal .btn-close {
    filter: none;
    opacity: 0.6;
}

#changePasswordModal .btn-close:hover {
    opacity: 0.8;
}

/* Animaciones para modales */
.modal.fade .modal-dialog {
    transform: translateY(-50px);
    transition: transform 0.3s ease-out;
}

.modal.show .modal-dialog {
    transform: translateY(0);
}

/* Responsive adjustments para modales */
@media (max-width: 767.98px) {
    .modal-body {
        padding: var(--spacing-lg);
    }

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

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

    .modal .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
}

/* Estilos para links en modales */
.modal a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

.modal a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Backdrop personalizado */
.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

/* Estilos para mejorar la accesibilidad */
.modal .form-control:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.modal .btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Animación de spin para loading */
@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Estilos para el indicador de fortaleza de contraseña */
.password-strength {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.password-strength-bar {
    height: 4px;
    background: #e9ecef;
    border-radius: 2px;
    overflow: hidden;
    margin-top: var(--spacing-xs);
}

.password-strength-fill {
    height: 100%;
    transition: var(--transition-base);
    border-radius: 2px;
}

.password-strength-weak .password-strength-fill {
    width: 25%;
    background: var(--danger-color);
}

.password-strength-fair .password-strength-fill {
    width: 50%;
    background: var(--warning-color);
}

.password-strength-good .password-strength-fill {
    width: 75%;
    background: var(--info-color);
}

.password-strength-strong .password-strength-fill {
    width: 100%;
    background: var(--success-color);
}