/* ========================================
   LOGIN PAGE - ESTILOS
   Integrado con theme-variables.css
   ======================================== */

/* ========================================
   LAYOUT DE LA PÁGINA
   ======================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top right, 
        rgba(139, 92, 246, 0.15) 0%, 
        var(--bg-body) 40%,
        var(--bg-body) 60%,
        rgba(59, 130, 246, 0.1) 100%);
    padding: 2rem 1rem;
    position: relative;
    transition: background var(--transition-speed) var(--transition-easing);
    overflow: hidden;
}

/* Patrón de fondo sutil mejorado */
.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        repeating-linear-gradient(45deg, transparent, transparent 40px, var(--border-color) 40px, var(--border-color) 41px),
        repeating-linear-gradient(-45deg, transparent, transparent 40px, var(--border-color) 40px, var(--border-color) 41px);
    opacity: 0.04;
    pointer-events: none;
}

/* Elementos decorativos flotantes */
.login-page::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, 
        rgba(139, 92, 246, 0.08) 0%, 
        transparent 70%);
    top: -300px;
    left: -300px;
    animation: floatDecoration 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes floatDecoration {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(100px, 100px) scale(1.2);
        opacity: 0.8;
    }
}

.login-container {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.6s ease-out;
}

/* ========================================
   TARJETA DE LOGIN
   ======================================== */
.login-card {
    background-color: var(--bg-card);
    border-radius: 1.5rem;
    box-shadow: 
        0 20px 60px -10px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(79, 70, 229, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    padding: 3rem 2.5rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) var(--transition-easing);
    backdrop-filter: blur(10px);
}

.login-card:hover {
    box-shadow: 
        0 25px 70px -10px rgba(79, 70, 229, 0.3),
        0 0 0 1px rgba(79, 70, 229, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

/* ========================================
   HEADER DEL LOGIN
   ======================================== */
.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 280px;
    height: 280px;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: visible;
    animation: logoFloat 6s ease-in-out infinite;
}

/* Imagen del logo principal */
.logo-container .logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: relative;
    z-index: 3;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    animation: imageGlow 4s ease-in-out infinite;
    border-radius: 50%;
}

.logo-container:hover .logo-image {
    transform: scale(1.08);
    filter: drop-shadow(0 15px 40px rgba(0, 0, 0, 0.4));
}

@keyframes imageGlow {
    0%, 100% {
        filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    }
    50% {
        filter: drop-shadow(0 12px 35px rgba(0, 0, 0, 0.35));
    }
}

/* Anillo de brillo principal - DESACTIVADO */
.logo-glow-ring {
    display: none;
}

/* Anillo secundario - DESACTIVADO */
.logo-glow-ring-2 {
    display: none;
}

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

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

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-12px);
    }
}

/* Partículas brillantes (sparkles) */
.logo-sparkles {
    position: absolute;
    inset: 0;
    z-index: 4;
    pointer-events: none;
}

.sparkle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: radial-gradient(circle, #FBBF24 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    animation: sparkleFloat 3s ease-in-out infinite;
}

.sparkle:nth-child(1) {
    top: 10%;
    left: 15%;
    animation-delay: 0s;
}

.sparkle:nth-child(2) {
    top: 25%;
    right: 10%;
    animation-delay: 0.5s;
}

.sparkle:nth-child(3) {
    bottom: 20%;
    left: 8%;
    animation-delay: 1s;
}

.sparkle:nth-child(4) {
    bottom: 15%;
    right: 12%;
    animation-delay: 1.5s;
}

.sparkle:nth-child(5) {
    top: 50%;
    left: 5%;
    animation-delay: 2s;
}

.sparkle:nth-child(6) {
    top: 50%;
    right: 5%;
    animation-delay: 2.5s;
}

@keyframes sparkleFloat {
    0%, 100% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
    10% {
        opacity: 1;
        transform: translateY(-5px) scale(1);
    }
    20% {
        opacity: 0.8;
        transform: translateY(-10px) scale(1.2);
    }
    30%, 100% {
        opacity: 0;
        transform: translateY(-20px) scale(0.5);
    }
}

.logo-icon {
    font-size: 2.5rem;
    color: white;
}

.login-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.login-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ========================================
   FORMULARIO
   ======================================== */
.login-form {
    margin-top: 2rem;
}

/* Floating Labels Mejorados */
.form-floating > .form-control {
    background-color: var(--bg-body);
    border: 1.5px solid var(--border-color);
    color: var(--text-primary);
    padding: 1rem 0.75rem;
    height: calc(3.5rem + 2px);
    transition: all 0.2s ease;
}

.form-floating > .form-control:focus {
    background-color: var(--bg-card);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    color: var(--text-primary);
}

.form-floating > label {
    color: var(--text-secondary);
    padding: 1rem 0.75rem;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--primary-color);
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* Campo de Contraseña con Toggle */
.password-field {
    position: relative;
}

.btn-toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 10;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
}

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

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

/* Opciones del Formulario */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.form-check-label {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    cursor: pointer;
    user-select: none;
}

.form-check-input {
    cursor: pointer;
    border-color: var(--border-color);
}

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

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.forgot-password-link {
    color: var(--primary-color);
    font-size: 0.9375rem;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.forgot-password-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* ========================================
   BOTÓN DE LOGIN
   ======================================== */
.btn-login {
    height: 3.5rem;
    font-size: 1.0625rem;
    font-weight: 600;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    border: none;
    box-shadow: 0 4px 12px -2px rgba(79, 70, 229, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

/* Efecto de brillo al pasar el cursor */
.btn-login::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: left 0.5s ease;
}

.btn-login:hover:not(:disabled)::before {
    left: 100%;
}

.btn-login:hover:not(:disabled) {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 8px 20px -4px rgba(79, 70, 229, 0.5);
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary-color) 100%);
}

.btn-login:active:not(:disabled) {
    transform: translateY(0) scale(0.99);
    box-shadow: 0 2px 8px -2px rgba(79, 70, 229, 0.4);
}

.btn-login:disabled {
    opacity: 0.8;
    cursor: not-allowed;
}

/* Estilos para los estados del botón */
.btn-login .btn-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-login .btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Loading Spinner Customizado */
.btn-login .spinner-border {
    width: 1.25rem;
    height: 1.25rem;
    border-width: 2px;
}

/* Pulse Effect cuando está cargando */
.btn-login:disabled {
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 4px 12px -2px rgba(79, 70, 229, 0.3);
    }
    50% {
        box-shadow: 0 4px 16px 0px rgba(79, 70, 229, 0.5);
    }
}

/* Success State */
.btn-login.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* ========================================
   ALERTAS
   ======================================== */
.alert {
    border-radius: 0.75rem;
    border: none;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}

.alert.show {
    display: flex !important;
    animation: slideDown 0.3s ease-out;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

/* ========================================
   FOOTER DE LOGIN
   ======================================== */
.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.login-page-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.login-page-footer .footer-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.login-page-footer .footer-link:hover {
    text-decoration: underline;
}

/* ========================================
   THEME TOGGLE FLOTANTE
   ======================================== */
.theme-toggle-floating {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.theme-toggle-floating:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
    transform: scale(1.05);
}

.theme-toggle-floating .theme-icon-light,
.theme-toggle-floating .theme-icon-dark {
    position: absolute;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.theme-toggle-floating .theme-icon-dark {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="dark"] .theme-toggle-floating .theme-icon-light {
    opacity: 0;
    transform: rotate(-90deg);
}

[data-theme="dark"] .theme-toggle-floating .theme-icon-dark {
    opacity: 1;
    transform: rotate(0deg);
}

/* ========================================
   MODAL
   ======================================== */
.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
}

.modal-header {
    border-bottom-color: var(--border-color);
}

.modal-footer {
    border-top-color: var(--border-color);
}

.modal-title {
    color: var(--text-primary);
}

/* ========================================
   VALIDACIÓN
   ======================================== */
.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: var(--danger-color);
    background-image: none;
}

.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: var(--success-color);
    background-image: none;
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.valid-feedback {
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ========================================
   SPLIT LAYOUT (Imagen izquierda / Formulario derecha)
   ======================================== */
.login-container { max-width: 1024px; }
.login-card-split {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    padding: 0;
    overflow: hidden;
}
.login-visual {
    position: relative;
    min-height: 520px;
    background: var(--bg-card);
    background-image: url('/images/logo-gallitos.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: background-color var(--transition-speed) var(--transition-easing);
}

/* Hover sutil */
.login-visual:hover {
    transform: scale(1.02);
    transition: transform 0.3s ease;
}

/* Dark mode */
[data-theme="dark"] .login-visual {
    background-color: #1e293b;
}

.login-content { padding: 3rem 2.5rem; }
.login-header { text-align: left; }
.login-title { margin-top: .25rem; }
.logo-container { width: 120px; height: 120px; margin-bottom: .75rem; animation: none; }
.logo-container .logo-image { border-radius: 16px; filter: none; animation: none; }
.logo-sparkles { display: none; }

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

/* Tablet */
@media (max-width: 991.98px) {
    .login-card-split { grid-template-columns: 1fr; }
    .login-visual { min-height: 200px; }
    .login-content { padding: 2rem 1.5rem; }
}

@media (max-width: 767.98px) {
    .login-card {
        padding: 2.5rem 2rem;
    }

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

    .logo-container {
        width: 240px;
        height: 240px;
    }

    .logo-container .logo-image {
        width: 100%;
        height: 100%;
    }

    .theme-toggle-floating {
        top: 1rem;
        right: 1rem;
        width: 44px;
        height: 44px;
    }
}

/* Mobile */
@media (max-width: 575.98px) {
    .login-page {
        padding: 1rem 0.75rem;
    }

    .login-card {
        padding: 2rem 1.5rem;
        border-radius: 1.25rem;
    }

    .logo-container {
        width: 200px;
        height: 200px;
        margin-bottom: 1rem;
    }

    .logo-container .logo-image {
        width: 100%;
        height: 100%;
    }

    .logo-icon {
        font-size: 2rem;
    }

    .login-title {
        font-size: 1.375rem;
    }

    .login-subtitle {
        font-size: 0.9375rem;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
    }

    .btn-login {
        height: 3.25rem;
        font-size: 1rem;
    }

    .theme-toggle-floating {
        width: 40px;
        height: 40px;
        font-size: 1.125rem;
    }
    
    /* Reducir animaciones en móvil */
    .sparkle {
        display: none;
    }
    
    .logo-glow-ring-2 {
        display: none;
    }
}

/* ========================================
   ACCESIBILIDAD
   ======================================== */

/* Skip Link (para lectores de pantalla) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    z-index: 1000;
    border-radius: 0 0 0.375rem 0;
}

.skip-link:focus {
    top: 0;
}

/* Foco visible mejorado */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Reducir movimiento para usuarios con preferencias de accesibilidad */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Alto contraste para mejor legibilidad */
@media (prefers-contrast: high) {
    .login-card {
        border: 2px solid var(--text-primary);
    }

    .form-control {
        border-width: 2px;
    }

    .btn-login {
        border: 2px solid var(--text-inverse);
    }
}