.fl-login {
    margin: 0;
    min-width: 0;
    min-height: 100vh;
    font-family: "Zen Kaku Gothic New", sans-serif;
    color: var(--fl-text);
    background:
        radial-gradient(circle at 15% 10%, rgba(255, 126, 61, 0.22), transparent 38%),
        radial-gradient(circle at 86% 90%, rgba(31, 170, 255, 0.26), transparent 40%),
        var(--fl-bg);
}

.fl-login * {
    box-sizing: border-box;
}

.fl-login .login-shell {
    width: min(760px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 2rem 0 3rem;
}

.fl-login .back-link {
    display: inline-block;
    margin-bottom: 1rem;
    color: rgba(236, 246, 255, 0.86);
    text-decoration: none;
}

.fl-login .login-card {
    padding: 1.8rem;
    border-radius: 18px;
    background: rgba(7, 22, 38, 0.72);
    border: 1px solid rgba(175, 230, 255, 0.24);
    backdrop-filter: blur(8px);
}

.fl-login .eyebrow {
    margin: 0;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    color: rgba(244, 253, 255, 0.72);
}

.fl-login h1 {
    margin: 0.55rem 0 0;
    font-family: "Outfit", "Zen Kaku Gothic New", sans-serif;
    font-size: clamp(1.6rem, 5vw, 2.4rem);
}

.fl-login .lead {
    margin: 1rem 0 1.2rem;
    line-height: 1.85;
    color: var(--fl-subtext);
}

.fl-login .qr-wrap {
    display: grid;
    place-items: center;
    width: min(320px, 90%);
    aspect-ratio: 1 / 1;
    margin: 0 auto;
    padding: 12px;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.24);
}

.fl-login .qr-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    background:
        linear-gradient(90deg, transparent 22%, #111 22%, #111 34%, transparent 34%),
        linear-gradient(transparent 42%, #111 42%, #111 53%, transparent 53%),
        repeating-linear-gradient(90deg, #111 0 8px, #fff 8px 16px),
        repeating-linear-gradient(#111 0 8px, #fff 8px 16px);
    background-size: 100% 100%, 100% 100%, 40% 40%, 40% 40%;
    background-position: 0 0, 0 0, 65% 60%, 40% 35%;
    border: 8px solid #fff;
    outline: 1px solid #d7dce2;
}

.fl-login .qr-image {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 10px;
}

.fl-login .qr-actions {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.fl-login .start-btn {
    appearance: none;
    border: 0;
    border-radius: 999px;
    padding: 0.7rem 1.2rem;
    font-weight: 700;
    cursor: pointer;
    color: #0b1f2a;
    background: linear-gradient(130deg, #ffc357 0%, #ff7a4d 100%);
    box-shadow: 0 8px 18px rgba(255, 128, 74, 0.32);
}

.fl-login .start-btn:disabled {
    opacity: 0.7;
    cursor: default;
}

.fl-login .steps {
    margin: 1.4rem auto 0;
    max-width: 32rem;
    line-height: 1.9;
    color: var(--fl-subtext);
}

.fl-login .note {
    margin: 1rem 0 0;
    text-align: center;
    font-size: 0.92rem;
    color: rgba(227, 242, 255, 0.72);
}

.fl-login .error-text {
    margin: 0.6rem 0 0;
    text-align: center;
    font-size: 0.9rem;
    color: #ffb8b8;
    min-height: 1.2em;
}

.fl-login .mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    word-break: break-all;
}