/* Shared styling for all two-factor setup + verification screens.
   Scoped via `.tf-*` class prefix — safe to load globally alongside _LoginLayout.
   Design language: Rippling-inspired. Generous padding, soft typography,
   subtle borders, low-opacity surfaces, no Font Awesome clutter. */

.tf-card {
    width: 100%;
    max-width: 480px;
    padding: 40px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, .04), 0 0 0 1px rgba(15, 23, 42, .04);
}

/* Profile-context pill sitting at the top of the card. Confirms the user the
   flow is happening for. Wrapper centers it; pill itself is shrink-wrapped. */
.tf-profile-pill-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}
.tf-profile-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 5px 18px 5px 5px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 999px;
    max-width: 320px;
}
.tf-profile-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #e2e8f0;
    color: #475569;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    overflow: hidden;
    flex-shrink: 0;
    text-transform: uppercase;
    letter-spacing: 0;
}
.tf-profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.tf-profile-name {
    font-size: 14px;
    font-weight: 600;
    color: #0f172a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Back link at top-left of card. Ghost text-link styling — no border, no
   background by default, just a subtle hover. Sits flush against the card's
   left padding using a negative margin so it doesn't visually float in. */
.tf-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    margin: -6px 0 12px -10px;
    background: transparent;
    border: 0;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: #64748b;
    text-decoration: none;
    transition: background .15s ease, color .15s ease;
}
.tf-back:hover, .tf-back:focus {
    background: #f1f5f9;
    color: #0f172a;
    text-decoration: none;
    outline: none;
}
.tf-back-arrow {
    font-size: 16px;
    line-height: 1;
    margin-top: -1px;
}

.tf-title {
    font-size: 26px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 8px;
    line-height: 1.2;
    text-align: center;
}

.tf-subtitle {
    font-size: 15px;
    color: #64748b;
    margin: 0 0 28px;
    text-align: center;
    line-height: 1.5;
}

/* Radio-option cards on the method picker. */
.tf-radio-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.tf-radio-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    cursor: pointer;
    transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
.tf-radio-card:hover { border-color: #cbd5e1; background: #f8fafc; }
.tf-radio-card input[type="radio"] {
    margin-top: 3px;
    flex-shrink: 0;
    accent-color: #2563eb;
    width: 16px;
    height: 16px;
}
.tf-radio-card:has(input:checked) {
    border-color: #2563eb;
    background: #eff6ff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .08);
}
.tf-radio-name { font-size: 15px; font-weight: 600; color: #0f172a; line-height: 1.4; }
.tf-radio-desc { font-size: 14px; color: #64748b; line-height: 1.4; margin-top: 2px; }

/* Form fields. */
.tf-field-group { margin-bottom: 20px; }
.tf-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #334155;
    margin-bottom: 8px;
}
.tf-input {
    width: 100%;
    padding: 11px 14px;
    font-size: 15px;
    color: #0f172a;
    background: #fff;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    outline: 0;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.tf-input::placeholder { color: #94a3b8; }
.tf-input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
.tf-input-code {
    text-align: center;
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 8px;
    font-variant-numeric: tabular-nums;
}
.tf-input-mono {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
    letter-spacing: .5px;
}

/* Buttons. */
.tf-btn-primary {
    width: 100%;
    padding: 12px 16px;
    background: #2563eb;
    color: #fff;
    border: 0;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s ease;
}
.tf-btn-primary:hover:not(:disabled) { background: #1d4ed8; }
.tf-btn-primary:disabled { opacity: .6; cursor: not-allowed; }
.tf-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: #fff;
    color: #334155;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease;
}
.tf-btn-secondary:hover:not(:disabled) { background: #f8fafc; border-color: #94a3b8; }

/* Inline messages. */
.tf-error {
    color: #dc2626;
    font-size: 13px;
    margin-top: 6px;
    display: block;
}
.tf-hint {
    color: #64748b;
    font-size: 13px;
    line-height: 1.5;
}

/* QR code container (Authenticator setup). */
.tf-qr-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}
.tf-qr-box {
    padding: 12px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
}
.tf-qr-box img { display: block; }

/* Manual-key disclosure. */
.tf-details {
    margin-bottom: 24px;
    border-top: 1px solid #f1f5f9;
    padding-top: 16px;
}
.tf-details summary {
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: #334155;
    list-style: none;
}
.tf-details summary::-webkit-details-marker { display: none; }
.tf-details summary::before {
    content: "▸ ";
    display: inline-block;
    color: #64748b;
    transition: transform .15s ease;
}
.tf-details[open] summary::before { content: "▾ "; }
.tf-key-row {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}
.tf-key-row .tf-input { flex: 1; }