/* Variables */
:root {
    --primary-color: #008080;
    --primary-hover: #006666;
    --text-color: #2c3e50;
    --light-gray: #f8f9fa;
    --border-color: #e9ecef;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --gradient-start: #008080;
    --gradient-end: #00b3b3;
}

/* Reset y estilos base */
body {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--text-color);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* Contenedor principal */
.login-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

/* Tarjeta de login */
.login-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow-color);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    transition: transform 0.3s ease;
}

.login-card:hover {
    transform: translateY(-5px);
}

/* Logo */
.img-logo {
    margin-bottom: 1.5rem;
}

.img-logo img {
    max-width: 180px;
    height: auto;
}

/* Título */
.login-title {
    color: var(--text-color);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
}

/* Formulario */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.inputs {
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: var(--light-gray);
}

.inputs:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 128, 128, 0.1);
    outline: none;
}

/* Botón de login */
.bt-submit {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    width: 100%;
    font-size: 1rem;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.bt-submit:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--gradient-start) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 128, 128, 0.2);
}

.bt-submit:active {
    transform: translateY(0);
}

/* Link de registro */
.register-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    text-align: center;
    display: block;
    margin-top: 1.5rem;
}

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

/* Responsive */
@media (max-width: 576px) {
    .login-container {
        padding: 1rem;
    }

    .login-card {
        padding: 2rem;
        border-radius: 15px;
    }

    .img-logo img {
        max-width: 150px;
    }

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

    .inputs {
        padding: 0.6rem 0.8rem;
    }
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card {
    animation: fadeIn 0.6s ease-out;
}

/* Estilos para mensajes de error */
.alertify-notifier {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.ajs-message {
    border-radius: 8px !important;
    font-weight: 500 !important;
}

.ajs-error {
    background: #fff !important;
    color: #dc3545 !important;
    border-left: 4px solid #dc3545 !important;
}

.ajs-success {
    background: #fff !important;
    color: #28a745 !important;
    border-left: 4px solid #28a745 !important;
}