/* 🎨 Paleta Don Papas */
:root {
    --rojo: #e00000;
    --amarillo: #ffd12a;
    --naranja: #ff9d1c;
    --negro: #000;
    --blanco: #fff;
    --sombra: rgba(0,0,0,.18);
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Fondo */
body {
    background: linear-gradient(135deg, var(--amarillo), var(--rojo));
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Contenedor */
.login-container {
    width: 100%;
    max-width: 420px;
    background: rgba(255,255,255,.95);
    border-radius: 22px;
    box-shadow: 0 25px 60px var(--sombra);
    overflow: hidden;
    backdrop-filter: blur(12px);
    animation: fadeUp .6s ease;
}

/* Header */
.login-header {
    background: linear-gradient(135deg, var(--rojo), var(--naranja));
    color: var(--blanco);
    text-align: center;
    padding: 26px 20px 20px;
}

.login-logo {
    width: 110px;
    margin-bottom: 10px;
    filter: drop-shadow(0 6px 14px rgba(0,0,0,.35));
}

.login-header h1 {
    font-size: 1.9rem;
    font-weight: 700;
}

.login-header p {
    font-size: .95rem;
    opacity: .9;
}

/* Mensajes (IMPORTANTE) */
.error-message,
.success-message {
    margin: 18px 20px 0;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: .9rem;
    text-align: center;
    display: none;
}

.error-message {
    background: #ff4d4f;
    color: #fff;
}

.success-message {
    background: #51cf66;
    color: #fff;
}

/* Formulario */
.login-form {
    padding: 28px 24px;
}

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

.form-group label {
    font-size: .85rem;
    font-weight: 600;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 14px;
    border: 2px solid #ddd;
    font-size: 1rem;
    transition: all .3s ease;
    background: #fafafa;
}

.form-group input:focus {
    outline: none;
    border-color: var(--naranja);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(255,157,28,.25);
}

/* Botón */
.login-btn {
    width: 100%;
    padding: 16px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--rojo), var(--naranja));
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(224,0,0,.45);
    transition: all .3s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(224,0,0,.6);
}

/* Loader */
.loading {
    display: none;
    text-align: center;
    margin-top: 16px;
}

/* Footer */
.footer-links {
    text-align: center;
    padding: 16px;
    background: #f8f9fa;
    font-size: .85rem;
    color: #555;
}

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

/* 📱 Mobile */
@media (max-width: 480px) {
    .login-logo {
        width: 140px;
    }

    .login-header h1 {
        font-size: 1.6rem;
    }

    .login-form {
        padding: 22px 18px;
    }
}