/**
 * Web Agenda - Login Page Styles
 * Version: 2.0
 * Ultima actualizacion: 2025-01-27
 *
 * Estilos especificos para la pagina de login
 * Usa el sistema centralizado de variables CSS
 */

/* ========================================
   BODY Y LAYOUT PRINCIPAL
   ======================================== */

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family-base);
    background: linear-gradient(135deg, var(--agenda-dark-light), var(--gray-600));
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ========================================
   CONTENEDOR PRINCIPAL DE LOGIN
   ======================================== */

.login-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

/* ========================================
   LOGOS
   ======================================== */

.logo-superior,
.logo-inferior {
    position: absolute;
    width: 180px;
    height: auto;
    z-index: var(--z-dropdown);
}

.logo-superior {
    top: 0;
}

.logo-inferior {
    position: relative;
    bottom: auto;
    width: 140px;
    height: auto;
    z-index: var(--z-dropdown);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: block;
    margin-left: auto;
    margin-right: auto;
    pointer-events: none;
    opacity: 0.7;
}

/* ========================================
   CONTENEDOR DE LOGIN
   ======================================== */

.login-container {
    background-color: var(--bg-primary);
    padding: var(--spacing-2xl);
    padding-top: calc(var(--spacing-2xl) * 1.67); /* 80px */
    padding-bottom: var(--spacing-xl); /* Reducido para acomodar logo interno */
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    position: relative;
    text-align: center;
    transition: var(--transition);
}

.login-container h2 {
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    line-height: var(--line-height-tight);
}

/* ========================================
   FORMULARIO
   ======================================== */

.login-container label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    text-align: left;
    font-size: var(--font-size-sm);
}

.login-container input[type="text"],
.login-container input[type="password"] {
    width: 100%;
    padding: var(--input-padding-y) var(--input-padding-x);
    margin-bottom: var(--spacing-lg);
    border: var(--input-border-width) solid var(--input-border-color);
    border-radius: var(--input-border-radius);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    transition: var(--transition);
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.login-container input[type="text"]:focus,
.login-container input[type="password"]:focus {
    outline: none;
    border-color: var(--agenda-red);
    box-shadow: 0 0 0 3px rgba(225, 6, 0, 0.1);
}

.login-container input[type="text"]:hover,
.login-container input[type="password"]:hover {
    border-color: var(--gray-400);
}

/* ========================================
   BOTON DE LOGIN
   ======================================== */

.btn-login {
    width: 100%;
    padding: calc(var(--btn-padding-y) * 1.2) var(--btn-padding-x);
    background: linear-gradient(135deg, var(--color-success-light), var(--color-success));
    color: var(--text-inverse);
    border: none;
    border-radius: var(--btn-border-radius);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-family-base);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-login:hover {
    background: linear-gradient(135deg, var(--color-success), var(--color-success-light));
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-login:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-login:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.3);
}

/* ========================================
   MENSAJES
   ======================================== */

.mensaje-error,
.mensaje-exito {
    font-size: var(--font-size-sm);
    text-align: center;
    margin-top: var(--spacing-md);
    margin-left: 0;
    margin-right: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    display: block;
    width: 100%;
    animation: slideInDown 0.3s var(--transition-easing-out);
}

.mensaje-error {
    color: var(--color-danger);
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--color-danger-light);
}

.mensaje-error::before {
    content: "⚠ ";
    font-size: var(--font-size-base);
    margin-right: 4px;
}

.mensaje-exito {
    color: var(--color-success);
    background-color: rgba(40, 167, 69, 0.1);
    border: 1px solid var(--color-success-light);
}

.mensaje-exito::before {
    content: "✓ ";
    font-size: var(--font-size-base);
    margin-right: 4px;
}

/* ========================================
   CAMPO ANTI-BOT (OCULTO)
   ======================================== */

.no-bot {
    display: none !important;
    visibility: hidden !important;
    position: absolute !important;
    left: -9999px !important;
}

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

/* Tablets */
@media (max-width: 768px) {
    .login-container {
        max-width: 90%;
        padding: var(--spacing-xl);
        padding-top: calc(var(--spacing-xl) * 1.5);
        padding-bottom: calc(var(--spacing-xl) * 1.5);
    }

    .logo-superior {
        width: 140px;
    }

    .logo-inferior {
        width: 120px;
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-md);
    }

    .login-container h2 {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-lg);
    }
}

/* Mobile */
@media (max-width: 576px) {
    body {
        padding: var(--spacing-md);
    }

    .login-container {
        padding: var(--spacing-lg);
        padding-top: calc(var(--spacing-lg) * 1.5);
        padding-bottom: calc(var(--spacing-lg) * 1.5);
    }

    .logo-superior {
        width: 120px;
        top: -10px;
    }

    .logo-inferior {
        width: 100px;
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-sm);
    }

    .login-container h2 {
        font-size: var(--font-size-base);
    }

    .btn-login {
        font-size: var(--font-size-sm);
        padding: var(--btn-padding-y) var(--btn-padding-x);
    }
}

/* ========================================
   TEMA OSCURO
   ======================================== */

[data-bs-theme="dark"] .login-container {
    background-color: var(--bg-secondary);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

[data-bs-theme="dark"] .login-container input[type="text"],
[data-bs-theme="dark"] .login-container input[type="password"] {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-bs-theme="dark"] .login-container input[type="text"]:hover,
[data-bs-theme="dark"] .login-container input[type="password"]:hover {
    border-color: var(--gray-500);
}

[data-bs-theme="dark"] .mensaje-error {
    background-color: rgba(220, 53, 69, 0.2);
}

[data-bs-theme="dark"] .mensaje-exito {
    background-color: rgba(40, 167, 69, 0.2);
}

/* ========================================
   ANIMACIONES DE ENTRADA
   ======================================== */

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

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-8px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(8px);
    }
}

.login-container {
    animation: fadeInUp var(--transition-slow) var(--transition-easing-out);
}

/* ========================================
   OVERLAY DE ÉXITO
   ======================================== */

.success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.97) 0%, rgba(34, 139, 58, 0.97) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999 !important;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;
}

.success-overlay.show {
    opacity: 1;
    visibility: visible;
}

.success-overlay.hide {
    opacity: 0;
    visibility: hidden;
}

.success-content {
    text-align: center;
    color: white;
    z-index: 100000 !important;
    position: relative;
    transform: translateY(0);
}

.success-content.animate {
    animation: successSlideUp 0.6s ease-out;
}

.success-spinner {
    width: 70px;
    height: 70px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top: 5px solid white;
    border-radius: 50%;
    margin: 0 auto 30px;
    animation: spin 0.8s linear infinite;
}

.success-checkmark {
    font-size: 100px;
    line-height: 1;
    margin-bottom: 20px;
    display: none;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.success-checkmark.show {
    display: block;
    animation: checkmarkPop 0.6s ease-out;
}

.success-title {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 16px 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.5px;
}

.success-message {
    font-size: 18px;
    margin: 0;
    opacity: 0.95;
    font-weight: 400;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

/* Animaciones del overlay de éxito */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

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

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

@keyframes checkmarkPop {
    0% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.login-container.shake {
    animation: shake 0.5s ease-in-out;
}

.logo-superior {
    animation: fadeInUp var(--transition-slow) var(--transition-easing-out) 0.1s both;
}

.logo-inferior {
    animation: fadeInUp var(--transition-slow) var(--transition-easing-out) 0.2s both;
}

/* ========================================
   MEJORAS DE ACCESIBILIDAD
   ======================================== */

.btn-login:disabled {
    background: var(--gray-400);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.login-container input[type="text"]:invalid,
.login-container input[type="password"]:invalid {
    border-color: var(--color-danger-light);
}

/* Focus visible para navegacion por teclado */
.btn-login:focus-visible,
.login-container input:focus-visible {
    outline: 2px solid var(--agenda-red);
    outline-offset: 2px;
}