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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
}

.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    max-width: 1000px;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* COLUMNA IZQUIERDA */
.login-left {
    background: linear-gradient(135deg, #0f3460 0%, #16213e 100%);
    padding: 60px 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    min-height: 500px;
}

.left-content {
    text-align: center;
}

.company-name {
    font-family: 'Lora', serif;
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 15px;
    line-height: 1.2;
    letter-spacing: 0.5px;
}

.company-tagline {
    font-size: 16px;
    color: #e94560;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.decorative-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #e94560 0%, transparent 100%);
    margin: 20px auto 25px;
}

.company-description {
    font-size: 14px;
    color: #a0a0a0;
    line-height: 1.6;
    margin-top: 30px;
}

/* COLUMNA DERECHA */
.login-right {
    background: white;
    padding: 60px 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-form-wrapper {
    width: 100%;
}

.form-title {
    font-family: 'Lora', serif;
    font-size: 32px;
    color: #1a1a2e;
    margin-bottom: 35px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: #333;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #ddd;
    background: #f8f9fa;
    color: #333;
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Segoe UI', sans-serif;
    transition: all 0.3s;
}

.form-group input::placeholder {
    color: #999;
}

.form-group input:focus {
    outline: none;
    border-color: #e94560;
    background: white;
    box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #e94560 0%, #c4133a 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(233, 69, 96, 0.35);
}

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

.mensaje {
    margin-top: 20px;
    padding: 14px;
    border-radius: 8px;
    text-align: center;
    font-size: 13px;
    display: none;
}

.mensaje.error {
    background-color: #ffe0e0;
    color: #c4133a;
    border: 1px solid #e94560;
    display: block;
}

.mensaje.exito {
    background-color: #e0ffe0;
    color: #2d7a2d;
    border: 1px solid #4caf50;
    display: block;
}

.mensaje.cargando {
    background-color: #e0f2ff;
    color: #1976d2;
    border: 1px solid #2196f3;
    display: block;
}

/* ===================================== */
/* RESPONSIVE - MOBILE FIRST APPROACH */
/* ===================================== */

/* PANTALLAS EXTRA PEQUEÑAS: 320px - 479px (Teléfonos pequeños) */
@media (max-width: 479px) {
    .login-wrapper {
        padding: 10px;
        min-height: auto;
    }

    .login-container {
        grid-template-columns: 1fr;
        max-width: 100%;
        border-radius: 8px;
    }

    .login-left {
        display: none; /* Ocultar columna izquierda en móviles muy pequeños */
    }

    .login-right {
        padding: 20px 15px;
        min-height: auto;
    }

    .login-form-wrapper {
        width: 100%;
    }

    .form-title {
        font-size: 22px;
        margin-bottom: 25px;
    }

    .form-group {
        margin-bottom: 18px;
    }

    .form-group label {
        font-size: 12px;
        margin-bottom: 8px;
    }

    .form-group input {
        padding: 12px 12px;
        font-size: 14px;
        border-radius: 6px;
    }

    .btn-login {
        padding: 12px;
        font-size: 13px;
        border-radius: 6px;
        margin-top: 8px;
    }

    .company-name {
        font-size: 24px;
    }

    .company-tagline {
        font-size: 12px;
    }

    .company-description {
        font-size: 12px;
    }

    .mensaje {
        font-size: 12px;
        padding: 12px;
        margin-top: 15px;
    }
}

/* PANTALLAS PEQUEÑAS: 480px - 767px (Tablets pequeños, móviles grandes) */
@media (min-width: 480px) and (max-width: 767px) {
    .login-wrapper {
        padding: 15px;
    }

    .login-container {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .login-left {
        display: none; /* Ocultar en tablets pequeños también */
    }

    .login-right {
        padding: 35px 25px;
    }

    .form-title {
        font-size: 26px;
        margin-bottom: 30px;
    }

    .form-group {
        margin-bottom: 20px;
    }

    .form-group label {
        font-size: 13px;
    }

    .form-group input {
        padding: 13px 14px;
        font-size: 14px;
    }

    .btn-login {
        padding: 13px;
        font-size: 13px;
    }

    .mensaje {
        font-size: 13px;
    }
}

/* PANTALLAS MEDIANAS: 768px - 1023px (Tablets) */
@media (min-width: 768px) and (max-width: 1023px) {
    .login-container {
        grid-template-columns: 1fr 1fr;
        max-width: 900px;
    }

    .login-left {
        min-height: 400px;
        padding: 50px 40px;
    }

    .company-name {
        font-size: 40px;
    }

    .company-tagline {
        font-size: 14px;
    }

    .company-description {
        font-size: 13px;
    }

    .login-right {
        padding: 50px 40px;
    }

    .form-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .form-group {
        margin-bottom: 22px;
    }

    .form-group input {
        padding: 13px 15px;
        font-size: 14px;
    }

    .btn-login {
        padding: 13px;
    }
}

/* PANTALLAS GRANDES: 1024px - 1199px (Laptops) */
@media (min-width: 1024px) and (max-width: 1199px) {
    .login-container {
        grid-template-columns: 1fr 1fr;
        max-width: 950px;
    }

    .login-left {
        min-height: 500px;
        padding: 55px 45px;
    }

    .company-name {
        font-size: 44px;
    }

    .login-right {
        padding: 55px 45px;
    }

    .form-title {
        font-size: 30px;
    }
}

/* PANTALLAS EXTRA GRANDES: 1200px+ (Monitores grandes) */
@media (min-width: 1200px) {
    .login-container {
        grid-template-columns: 1fr 1fr;
        max-width: 1000px;
    }

    .login-left {
        min-height: 500px;
        padding: 60px 50px;
    }

    .company-name {
        font-size: 48px;
    }

    .login-right {
        padding: 60px 50px;
    }

    .form-title {
        font-size: 32px;
    }
}