/* --- Variables globales --- */
:root {
    --primary-blue: #0f71c4;
    --secondary-cyan: #2ab7ca;
    --dark-text: #222222;
    --light-text: #536471;
    --background: #f7f9f9;
    --white: #ffffff;
    --border-color: #cfd9de;
    --border-focus-color: rgba(15, 113, 196, 0.1);
    --shadow-color-light: rgba(0,0,0,0.08);
    --shadow-color-hover: rgba(15, 113, 196, 0.2);
    --error-color: #D8000C;
    --error-background: #FFD2D2;
}

/* --- Reset base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background);
    background-image: radial-gradient(circle at 10% 20%, rgba(15, 113, 196, 0.04), transparent 50%),
                      radial-gradient(circle at 85% 90%, rgba(42, 183, 202, 0.04), transparent 50%);
    color: var(--dark-text);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
}

/* --- Layout principal --- */
.main-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
    width: 100%;
    max-width: 1100px;
    padding: 2rem;
    gap: 4rem;
    margin: 0 auto;
}

/* --- Texto Hero --- */
.hero-text-container {
    flex: 1;
    min-width: 300px;
}

.logo-container {
    margin-bottom: 6rem;
    height: 40px; /* Altura fija para el logo */
}

.logo-svg {
    width: 200px;
    height: 100%;
    background-image: url('../uploads/sitio/logo.svg');
    background-repeat: no-repeat;
    background-size: contain;
    background-position: left center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    background: linear-gradient(90deg, var(--secondary-cyan), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Formulario Login --- */
.login-container {
    flex: 1;
    min-width: 300px;
    max-width: 420px;
    display: flex;
    flex-direction: column;
}

.login-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 8px 24px var(--shadow-color-light);
    padding: 2.5rem;
    width: 100%;
}

.login-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.login-card label {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    display: block;
}

.login-card input[type="text"],
.login-card input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.login-card input[type="text"]:focus,
.login-card input[type="password"]:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px var(--border-focus-color);
}

.login-card button[type="submit"] {
    width: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-cyan));
    color: var(--white);
    border: none;
    border-radius: 9999px;
    font-size: 1rem;
    font-weight: 700;
    padding: 0.9rem 0;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.login-card button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color-hover);
}

/* --- NUEVO: Contenedor de contraseña --- */
.password-wrapper {
    position: relative;
    margin-bottom: 1rem;
}
.password-wrapper input {
    padding-right: 3rem; /* Espacio para el ícono */
}
.password-toggle {
    position: absolute;
    top: 50%;
    right: 0.75rem;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--light-text);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.password-toggle:hover {
    background-color: #f0f0f0;
}

/* --- NUEVO: Opciones de formulario --- */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}
.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.remember-me label {
    margin: 0;
    font-weight: 500;
    color: var(--light-text);
}
.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-blue);
}
.form-options a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
}
.form-options a:hover {
    text-decoration: underline;
}

/* --- NUEVO: Logins sociales --- */
.social-login-container {
    margin-bottom: 1.5rem;
}
.social-btn {
    width: 100%;
    padding: 0.75rem;
    border-radius: 9999px;
    border: 1px solid var(--border-color);
    background-color: var(--white);
    color: var(--dark-text);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}
.social-btn:hover {
    background-color: #f7f9f9;
}
/* --- NUEVO: Separador --- */
.separator {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--light-text);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}
.separator::before, .separator::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}
.separator span {
    padding: 0 1rem;
}


/* --- Errores --- */
.login-error {
    color: var(--error-color);
    background-color: var(--error-background);
    border: 1px solid var(--error-color);
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 8px;
    text-align: center;
    font-size: 0.9rem;
    animation: shakeError 0.6s;
}

@keyframes shakeError {
    10%, 90% { transform: translateX(-2px); }
    20%, 80% { transform: translateX(4px); }
    30%, 50%, 70% { transform: translateX(-8px); }
    40%, 60% { transform: translateX(8px); }
}

/* --- Registro link --- */
.register-link {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--light-text);
    font-weight: 500;
}

.register-link a {
    color: var(--primary-blue);
    font-weight: 700;
    text-decoration: none;
}

.register-link a:hover {
    text-decoration: underline;
}

/* --- NUEVO: Pie de página --- */
.site-footer {
    width: 100%;
    text-align: center;
    padding: 2rem;
    font-size: 0.875rem;
}
.site-footer a {
    color: var(--light-text);
    text-decoration: none;
    margin: 0 1rem;
}
.site-footer a:hover {
    text-decoration: underline;
}

/* --- Responsive --- */
@media (max-width: 800px) {
    .main-container {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
        padding: 1rem;
    }
    .hero-text-container {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .logo-container {
        margin-bottom: 2rem;
    }
    .logo-svg {
        background-position: center;
    }
    .login-container {
        max-width: 100%;
        width: 100%;
        align-items: center;
    }
    .login-card {
        padding: 2rem 1.5rem;
    }
    .hero-title {
        font-size: 2.1rem;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
}