:root {
    --outer-bg:    #0f1014;
    --neon-pink:   #ff007f;
    --neon-purple: #8a2be2;
    --text-gray:   #b0b3b8;
}

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

body {
    background: radial-gradient(circle at center, #1c1c2e 0%, #050505 100%);
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    min-height: 100dvh;
    color: white;
    overflow: hidden;
}

/* ─── Card ────────────────────────────────────────────────── */
.login-container {
    width: 90%;
    max-width: 380px;
}

.welcome-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 30px;
    padding: 40px;
    text-align: center;
}

/* ─── Títulos ─────────────────────────────────────────────── */
.welcome-card h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #ffffff;
}

.welcome-card > p {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 25px;
}

/* ─── Formulario ──────────────────────────────────────────── */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.login-form input[type="text"] {
    width: 100%;
    padding: 16px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    outline: none;
    text-align: center;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.25s, background 0.25s;
}

.login-form input[type="text"]::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.login-form input[type="text"]:focus {
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.08);
}

/* ─── Botón ───────────────────────────────────────────────── */
.btn-login {
    width: 100%;
    padding: 16px;
    border-radius: 15px;
    border: none;
    background: linear-gradient(45deg, var(--neon-purple), var(--neon-pink));
    color: white;
    font-weight: 700;
    font-size: 15px;
    font-family: inherit;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

.btn-login:hover  { opacity: 0.88; transform: translateY(-1px); }
.btn-login:active { opacity: 1;    transform: translateY(0); }

/* ─── Error ───────────────────────────────────────────────── */
.error-message {
    background: rgba(255, 80, 80, 0.12);
    color: #ff9090;
    padding: 11px 14px;
    border-radius: 10px;
    border: 1px solid rgba(255, 100, 100, 0.25);
    font-size: 13px;
    text-align: center;
}