/* ==========================================
   VARIABLES GLOBALES FUTURISTAS
   ========================================== */
:root {
    --neon-blue: #00f3ff;
    --neon-purple: #bc13fe;
    --bg-dark: #101014;
    --bg-card: #1a1a24;
    --text-main: #e0e0e0;

    /* Pico CSS overrides (tema oscuro forzado) */
    --pico-background-color: var(--bg-dark);
    --pico-card-background-color: var(--bg-card);
    --pico-card-border-color: #2a2a3a;
    --pico-primary: var(--neon-blue);
    --primary-hover: var(--neon-purple);
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
}

/* ==========================================
   COMPONENTES
   ========================================== */
.container {
    max-width: 400px;
    width: 100%;
    padding: 1rem;
}

.card-futurist {
    background: var(--bg-card) !important;
    border: 1px solid #2a2a3a;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5),
                0 0 15px rgba(0, 243, 255, 0.05);
    backdrop-filter: blur(10px);
}

h1 {
    font-size: 2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

h5, p {
    color: #8a8a9a;
    margin-bottom: 1.5rem;
}

/* Input con icono */
.input-group {
    position: relative;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 15px;
    color: #4a4a5a;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.input-group input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    background: #12121a !important;
    border: 1px solid #2a2a3a !important;
    border-radius: 8px !important;
    color: #fff !important;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    border-color: var(--neon-blue) !important;
    box-shadow: 0 0 0 2px rgba(0, 243, 255, 0.15);
    outline: none;
}

/* Ícono se ilumina al hacer foco en el input */
.input-group:focus-within i {
    color: var(--neon-blue);
}

/* Botón principal */
.btn-futurist {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple)) !important;
    border: none !important;
    border-radius: 8px !important;
    color: #fff !important;
    font-weight: bold;
    font-size: 1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-futurist:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 243, 255, 0.3);
}

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

/* Mensaje de error */
.error-msg {
    background: rgba(255, 0, 80, 0.1);
    color: #ff0050;
    padding: 10px;
    border-radius: 6px;
    border-left: 3px solid #ff0050;
    margin-top: 1rem;
    font-size: 0.9rem;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: #2a2a3a;
    border-radius: 3px;
}

/* RESPONSIVE DESIGN */
@media (max-width: 480px) {
    .container {
        max-width: 100%;
        padding: 1.5rem;
    }
    
    .card-futurist {
        padding: 1.5rem;
        border-radius: 12px;
    }
    
    h1 {
        font-size: 1.5rem;
        letter-spacing: 1px;
        margin-bottom: 0.3rem;
    }
    
    h5, p {
        margin-bottom: 1rem;
        font-size: 0.9rem;
    }
    
    .input-group {
        margin-bottom: 1rem;
    }
    
    .input-group input {
        padding: 12px 12px 12px 40px;
        font-size: 16px;
    }
    
    .input-group i {
        font-size: 1rem;
        left: 12px;
    }
    
    .btn-futurist {
        padding: 12px;
        font-size: 0.9rem;
    }
    
    .error-msg {
        font-size: 0.8rem;
        padding: 8px;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .container {
        max-width: 380px;
        padding: 1.2rem;
    }
    
    .card-futurist {
        padding: 1.8rem;
    }
    
    h1 {
        font-size: 1.7rem;
    }
    
    .input-group input {
        font-size: 15px;
    }
    
    .btn-futurist {
        font-size: 0.95rem;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 400px;
    }
}