/* ============================================================
   RETROVAULT — Login
   ============================================================ */

.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent, transparent 40px,
            rgba(0, 255, 159, 0.025) 40px, rgba(0, 255, 159, 0.025) 41px
        ),
        repeating-linear-gradient(
            90deg,
            transparent, transparent 40px,
            rgba(0, 255, 159, 0.025) 40px, rgba(0, 255, 159, 0.025) 41px
        );
}

.login-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    width: min(380px, 100%);
    padding: 2.5rem 2rem;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-top: 2px solid var(--accent);
    border-radius: var(--radius);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55),
                0 0 0 1px rgba(0, 255, 159, 0.04);
}

/* Logo con efecto glow + parpadeo */
.logo-pixel {
    font-family: var(--font-pixel);
    font-size: 3rem;
    color: var(--accent);
    text-shadow: 0 0 20px rgba(0, 255, 159, 0.5),
                 0 0 40px rgba(0, 255, 159, 0.2);
    animation: blink 1.5s step-end infinite;
    line-height: 1;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.25; }
}

.logo-text {
    font-family: var(--font-pixel);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--text);
}

.login-sub {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Formulario */
.login-box form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.login-box input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.login-box input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 255, 159, 0.08);
}

.login-box input::placeholder {
    color: var(--text-muted);
}

.login-box button[type="submit"] {
    width: 100%;
    padding: 0.8rem;
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-pixel);
    font-size: 0.6rem;
    cursor: pointer;
    letter-spacing: 0.1em;
    transition: opacity 150ms ease, transform 100ms ease;
    margin-top: 0.25rem;
}

.login-box button[type="submit"]:hover  { opacity: 0.88; }
.login-box button[type="submit"]:active { transform: scale(0.98); }

/* Error */
.error {
    width: 100%;
    color: var(--accent2);
    font-size: 0.72rem;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 60, 110, 0.07);
    border: 1px solid rgba(255, 60, 110, 0.3);
    border-radius: var(--radius);
    text-align: center;
}