/* Variables CSS para consistencia */
:root {
    --primary-color: #BA6022;
    --primary-dark: #A0521E;
    --primary-light: #D4A574;
    --white: #ffffff;
    --gray-light: #f8f9fa;
    --gray-dark: #343a40;
    --shadow-soft: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-strong: rgba(0, 0, 0, 0.2);
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y estilos base */
body {
    background: url("../img/fondo.jpg") center/cover no-repeat fixed;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    font-family: 'Rubik', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow-x: hidden;
}

/* Contenedor principal */
.login-container {
    width: 100%;
    max-width: 420px;
    margin: 20px;
    position: relative;
    z-index: 10;
}

/* Card principal */
.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    box-shadow: 0 20px 40px var(--shadow-strong);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
    position: relative;
    transition: var(--transition);
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px var(--shadow-strong);
}

/* Header del card */
.login-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 2rem 2rem 1.5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

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

    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.login-title {
    color: var(--white);
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.login-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    margin: 0.5rem 0 0 0;
    position: relative;
    z-index: 2;
}

/* Contenido del card */
.login-body {
    padding: 2rem;
}

/* Grupos de formulario */
.form-group {
    margin-bottom: 1.5rem;
}

.input-wrapper {
    display: flex;
    align-items: stretch;
    border-radius: var(--border-radius);
    transition: box-shadow 0.2s ease-in-out;
}

.form-label {
    display: block;
    color: var(--gray-dark);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    transition: var(--transition);
    width: 16px;
}

.form-label i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* Inputs */
.form-control {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-left: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-size: 1rem;
    background: var(--white);
    color: var(--gray-dark);
    transition: var(--transition);
    position: relative;
    flex: 1;
}

.form-control:focus {
    outline: none;
    box-shadow: none;
    transform: none;
}

.form-control::placeholder {
    color: #adb5bd;
}

/* Iconos en inputs - Posición corregida */
.input-icon {
    display: grid;
    place-items: center;
    padding: 0 1rem;
    background: #f0f0f0;
    border: 2px solid #e9ecef;
    border-right: none;
    border-top-left-radius: var(--border-radius);
    border-bottom-left-radius: var(--border-radius);
    color: #888;
    transition: all 0.2s ease-in-out;
}

.input-wrapper:focus-within .input-icon {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--white);
}

.input-wrapper:focus-within .form-control {
    border-color: var(--primary-color);
}

/* Botón de login */
.login-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border: none;
    border-radius: 12px;
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    margin-top: 1rem;
}

.login-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: left 0.5s ease;
}

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

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(186, 96, 34, 0.3);
}

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

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Mensajes de error */
.error-message {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    color: var(--white);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

/* Enlaces */
.login-links {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e9ecef;
}

.login-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.login-link:hover {
    color: var(--primary-dark);
    transform: translateY(-1px);
}

/* Responsive */
@media (max-width: 768px) {
    .login-container {
        margin: 10px;
        max-width: 100%;
    }

    .login-header {
        padding: 1.5rem 1.5rem 1rem 1.5rem;
    }

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

    .login-body {
        padding: 1.5rem;
    }

    .form-control {
        padding: 0.875rem 0.875rem 0.875rem 3rem;
        font-size: 16px;
        /* Previene zoom en iOS */
    }

    .input-icon {
        left: 0.875rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .login-header {
        padding: 1.25rem 1.25rem 0.75rem 1.25rem;
    }

    .login-title {
        font-size: 1.25rem;
    }

    .login-body {
        padding: 1.25rem;
    }

    .form-control {
        padding: 0.75rem 0.75rem 0.75rem 2.8rem;
    }

    .input-icon {
        left: 0.75rem;
        font-size: 0.95rem;
    }
}

/* Animaciones de entrada */
.login-card {
    animation: slideInUp 0.6s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estados de carga */
.loading {
    position: relative;
    color: transparent !important;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

/* Mejoras para accesibilidad */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Modo oscuro */
@media (prefers-color-scheme: dark) {
    .login-card {
        background: rgba(30, 30, 30, 0.95);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .form-control {
        background: rgba(50, 50, 50, 0.8);
        border-color: #444;
        color: var(--white);
    }

    .form-control::placeholder {
        color: #888;
    }

    .form-label {
        color: var(--white);
    }
}