/* Account security and the sign-in code step. Lessonsmith greens and gold only. */
.sec-page { padding-top: 24px; }
.sec-hero-icon { display: grid; place-items: center; width: 96px; height: 96px; border-radius: 50%; background: rgb(255 255 255 / .14); color: var(--chalk); border: 2px solid rgb(255 255 255 / .25); }
.sec-alert { background: #FFF6D6; color: #4A3A00; border: 2px solid var(--chalk); border-radius: 18px; padding: 14px 18px; font-weight: 600; margin: 0 0 22px; }
.sec-state { display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; border-radius: 18px; border: 2px solid var(--line); background: var(--bg); }
.sec-state b { font-size: 1.1rem; }
.sec-state p { margin: 4px 0 0; }
.sec-dot { flex: none; width: 16px; height: 16px; margin-top: 5px; border-radius: 50%; background: #B9C9C2; box-shadow: 0 0 0 4px rgb(185 201 194 / .3); }
.sec-state.on { border-color: var(--accent); background: var(--soft); }
.sec-state.on .sec-dot { background: var(--accent); box-shadow: 0 0 0 4px rgb(19 122 94 / .25); }
.sec-state.off { border-color: var(--chalk); background: #FFFBEA; }
.sec-state.off .sec-dot { background: var(--chalk); box-shadow: 0 0 0 4px rgb(244 200 66 / .3); }
.sec-setup { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 28px; align-items: start; }
.sec-steps { margin: 0; padding-left: 22px; display: grid; gap: 12px; font-size: 1.05rem; }
.sec-qr { text-align: center; }
.sec-qr-box { display: inline-grid; place-items: center; background: #FFFFFF; padding: 10px; border-radius: 18px; border: 2px solid var(--line); }
.sec-qr-box svg { display: block; width: 220px; height: 220px; max-width: 100%; }
.sec-key { font-family: var(--font-mono); font-size: 1.05rem; letter-spacing: .06em; word-break: break-all; background: var(--bg); border: 1px dashed var(--line); border-radius: 10px; padding: 8px 10px; margin: 4px 0 0; user-select: all; }
.sec-code-form { margin-top: 22px; display: grid; gap: 8px; max-width: 720px; }
.sec-code-form label { font-weight: 700; }
.sec-code-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.sec-code-row input { width: 12ch; min-height: 48px; font-family: var(--font-mono); font-size: 1.4rem; letter-spacing: .2em; text-align: center; border: 2px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--ink); }
.sec-code-row input:focus-visible { outline: 3px solid var(--chalk); outline-offset: 2px; border-color: var(--accent); }
.sec-code-row button, .sec-code-row .btn { min-height: 48px; }
.sec-code-row .warn { color: var(--danger); }
.sec-codes { list-style: none; padding: 0; margin: 0 0 16px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.sec-codes code { display: block; text-align: center; font-size: 1.05rem; padding: 10px; background: var(--soft); border-radius: 12px; border: 1px solid var(--line); }
.sec-tips { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.sec-tips > div { background: var(--bg); border: 1px solid var(--line); border-radius: 18px; padding: 16px; }
.sec-tips h3 { font-family: var(--font-display); margin: 0 0 6px; font-size: 1.1rem; color: var(--deep); }
.sec-tips p { margin: 0; color: var(--muted); }
@media (max-width: 900px) {
  .sec-setup, .sec-tips { grid-template-columns: minmax(0, 1fr); }
  .sec-codes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Setting up on the same phone: a one-tap button opens the authenticator app. */
.sec-phone-add { margin: 0 0 14px; }
.sec-phone-add .cta { display: flex; justify-content: center; align-items: center; gap: 8px; width: 100%; min-height: 56px; padding: 12px 18px; border-radius: 16px;
  text-decoration: none; font-size: 1.1rem; font-weight: 800; color: #1B1A12; background: linear-gradient(135deg, #FFD95E, var(--chalk)); box-shadow: 0 8px 20px rgb(244 200 66 / .4); }
.sec-phone-add .cta:focus-visible { outline: 3px solid var(--deep); outline-offset: 3px; }
.sec-qr-more { margin: 0 0 10px; }
.sec-qr-more summary { cursor: pointer; font-weight: 700; color: var(--accent); min-height: 44px; display: flex; align-items: center; justify-content: center; }
.sec-qr-more[open] summary { margin-bottom: 8px; }
.sec-code-row input { font-size: max(16px, 1.4rem); }
@media (max-width: 900px) {
  /* On a phone the code box and buttons share the width, big enough to tap. */
  .sec-code-row input { flex: 1 1 9ch; }
  .sec-code-row button { flex: 1 1 auto; }
}