/* Unit 5, Lesson 4: check anatomy, fee schedule, practice sign-up app. */
.br-dash { animation: br-flow 1.4s linear infinite; }
@keyframes br-flow { to { stroke-dashoffset: -20; } }
.br-bp { animation: br-blink 3s ease-in-out infinite; }
@keyframes br-blink { 50% { opacity: .55; } }
.br-crab { animation: br-reach 3.6s ease-in-out infinite; }
@keyframes br-reach { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(14px); } }

.split-msg[data-tone="good"], .su-why[data-tone="good"] { border-color: var(--good); }
.split-msg[data-tone="warn"], .su-why[data-tone="warn"] { border-color: var(--wants); }
.br-check { display: block; width: 100%; height: auto; margin: 24px 0 6px; }

/* Fee schedule */
.fee-sheet { background: var(--card); border-radius: 24px; padding: clamp(18px, 3.5vw, 30px); box-shadow: 0 1px 0 var(--line), 0 24px 50px -30px rgba(60, 50, 30, .25); margin-top: 20px; }
.fs-head { display: flex; justify-content: space-between; align-items: baseline; gap: 6px 16px; flex-wrap: wrap; margin-bottom: 8px; }
.fs-head b { font-family: var(--serif); font-weight: 500; font-size: 22px; }
.fs-rows { display: grid; }
.fs-row { font: inherit; color: var(--ink); background: none; border: 0; border-top: 1px solid var(--line); padding: 12px 10px; display: flex; justify-content: space-between; gap: 16px; text-align: left; cursor: pointer; border-radius: 8px; transition: background .2s; }
.fs-row:hover { background: var(--paper-2); }
.fs-row b { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.fs-row.seen span::after { content: " ✓"; color: var(--good); font-weight: 700; }
.fs-row.on { background: var(--highlight); }
.fee-sheet .split-msg { margin: 14px 0 0; font-size: 17px; line-height: 1.55; padding-left: 14px; border-left: 4px solid var(--line); }

/* Practice sign-up */
.signup { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 28px; align-items: start; margin-top: 28px; background: var(--card); border-radius: 24px; padding: clamp(16px, 3vw, 28px); box-shadow: 0 1px 0 var(--line), 0 24px 50px -30px rgba(60, 50, 30, .25); }
.su-side { display: grid; gap: 18px; }
.su-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
.su-steps li { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 10px; font-size: 15px; color: var(--ink-2); }
.su-steps .mk { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--ink-3); flex: none; position: relative; }
.su-steps li.now { background: var(--paper-2); color: var(--ink); font-weight: 700; }
.su-steps li.done .mk { background: var(--good); border-color: var(--good); }
.su-steps li.late .mk { background: var(--wants); border-color: var(--wants); }
.su-steps li.done .mk::after, .su-steps li.late .mk::after { content: ""; position: absolute; left: 5px; top: 1px; width: 5px; height: 10px; border: solid var(--on-color); border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }
.pg-score small { display: block; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.pg-score b { font-family: var(--serif); font-weight: 500; font-size: 26px; color: var(--accent); }
.su-phone { max-width: 460px; width: 100%; justify-self: center; background: var(--ink); border-radius: 36px; padding: 12px; }
.su-screen { background: var(--paper); border-radius: 26px; padding: 18px 18px 20px; min-height: 520px; display: flex; flex-direction: column; gap: 10px; }
.su-bar { display: flex; justify-content: space-between; font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); }
.su-screen h4 { margin: 4px 0 0; font-family: var(--serif); font-weight: 500; font-size: 26px; }
.su-prompt { margin: 0; font-size: 16px; line-height: 1.5; color: var(--ink-2); }
.su-micr { display: block; margin-top: 10px; padding: 10px 12px; background: var(--card); border: 1px dashed var(--line); border-radius: 10px; font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 17px; color: var(--ink); overflow-wrap: anywhere; }
.su-opts { display: grid; gap: 8px; }
.su-opts.multi { grid-template-columns: 1fr 1fr; }
.su-opt { font: inherit; color: var(--ink); text-align: left; background: var(--card); border: 0; border-radius: 14px; padding: 12px 14px; box-shadow: inset 0 0 0 1.5px var(--line); cursor: pointer; display: grid; gap: 2px; transition: box-shadow .2s, background .2s, opacity .2s; }
.su-opt b { font-size: 16px; }
.su-opt small { font-size: 13.5px; color: var(--ink-2); line-height: 1.4; }
.su-opt:hover:not(:disabled) { box-shadow: inset 0 0 0 1.5px var(--ink); }
.su-opt.on { box-shadow: inset 0 0 0 2.5px var(--accent); background: color-mix(in srgb, var(--accent) 10%, var(--card)); }
.su-opt.wrong { box-shadow: inset 0 0 0 2px var(--danger); opacity: .6; }
.su-opt.right { box-shadow: inset 0 0 0 2.5px var(--good); background: color-mix(in srgb, var(--good) 12%, var(--card)); opacity: 1; }
.su-opt:disabled { cursor: default; }
.su-opts:has(.right) .su-opt:not(.right) { opacity: .5; }
.su-submit { justify-self: start; }
.su-why { font-size: 15px; line-height: 1.5; padding: 2px 0 2px 12px; border-left: 4px solid var(--line); }
.su-next { margin-top: auto; align-self: stretch; justify-content: center; }
.su-summary { background: var(--card); border-radius: 18px; padding: 18px; display: grid; gap: 8px; box-shadow: inset 0 0 0 1.5px var(--line); }
.su-summary small { font-size: 12px; font-weight: 700; letter-spacing: .05em; color: var(--ink-3); }
.su-summary b { font-family: var(--serif); font-weight: 500; font-size: 40px; transition: color .4s; }
.su-summary b.in { color: var(--savings); animation: br-pop .6s var(--ease); }
@keyframes br-pop { 40% { transform: scale(1.08); } }
.su-summary span { font-size: 15px; padding-left: 22px; position: relative; }
.su-summary span::before { content: "✓"; position: absolute; left: 0; color: var(--good); font-weight: 700; }
#su-result { margin-top: 8px; }
#su-result .result-grade { margin-bottom: 0; }

@media (max-width: 760px) {
  .signup { grid-template-columns: 1fr; }
  .su-steps { grid-auto-flow: column; grid-auto-columns: 1fr; }
  .su-steps li { justify-content: center; padding: 8px 2px; }
  .su-steps .lbl { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .su-side { order: 0; }
}
@media (max-width: 480px) {
  .su-phone { padding: 8px; border-radius: 28px; }
  .su-screen { padding: 14px; min-height: 0; }
  .su-opts.multi { grid-template-columns: 1fr; }
  .fs-row { flex-direction: column; gap: 2px; }
  .fs-row b { text-align: left; }
}
@media (prefers-reduced-motion: reduce) { .br-dash, .br-bp, .br-crab, .su-summary b.in { animation: none; } }