/* Streak card and board, study-plan window, fine-tune and challenge cards, mastery bars, worked solutions. */

/* ----- streak card (Home) ----- */
.streakcard { display: grid; gap: 10px; }
.streakcard .sk-big { display: flex; align-items: center; gap: 10px; }
.streakcard .sk-big b { font-size: 2.2rem; line-height: 1; color: var(--ink); }
.streakcard .sk-big small { color: var(--mute); font-weight: 600; }
.streakcard .sk-big .ico { width: 34px; height: 34px; color: #c3cde6; }
.streakcard.on .sk-big .ico { color: #ff8a1f; filter: drop-shadow(0 2px 6px rgba(255, 138, 31, .5)); }
.streakcard.risk { border-color: #f1c15a; box-shadow: 0 0 0 3px rgba(245, 179, 53, .18); }
.streakcard.risk .sk-msg { color: #8a5a00; font-weight: 700; }
.sk-week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.sk-day { display: grid; justify-items: center; gap: 3px; }
.sk-day i { width: 26px; height: 26px; border-radius: 50%; background: var(--soft); border: 2px solid var(--edge); display: block; }
.sk-day.on i { background: linear-gradient(180deg, #ffb347, #ff7a18); border-color: transparent; }
.sk-day.today i { outline: 2px solid var(--blue); outline-offset: 2px; }
.sk-day small { font-size: .7rem; color: var(--mute); font-weight: 700; }
.sk-msg { margin: 0; color: var(--mute); font-size: .92rem; }
@media (prefers-reduced-motion: no-preference) { .streakcard.risk .sk-big .ico { animation: skPulse 1.6s ease-in-out infinite; } @keyframes skPulse { 50% { transform: scale(1.12); } } }

/* ----- streak board (Rankings) ----- */
.sk-live { display: inline-flex; align-items: center; gap: 6px; font-size: .78rem; font-weight: 700; color: var(--green); }
.sk-live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(31, 191, 138, .6); }
@media (prefers-reduced-motion: no-preference) { .sk-live::before { animation: skLive 2s infinite; } @keyframes skLive { 70% { box-shadow: 0 0 0 7px rgba(31, 191, 138, 0); } 100% { box-shadow: 0 0 0 0 rgba(31, 191, 138, 0); } } }
.sk-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.sk-row { display: grid; grid-template-columns: 38px 1fr auto auto; gap: 10px; align-items: center; padding: 9px 12px; border-radius: 12px; background: var(--soft); }
.sk-row.me { background: #e1eaff; outline: 2px solid var(--blue); }
.sk-pos { font-weight: 800; color: var(--blue-d); }
.sk-name { font-weight: 700; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sk-n { display: inline-flex; align-items: center; gap: 4px; font-weight: 800; color: var(--ink); }
.sk-n .ico { width: 18px; height: 18px; color: #c3cde6; }
.sk-n.today .ico { color: #ff8a1f; }
.sk-me { margin: 10px 0 0; font-weight: 700; color: var(--blue-d); }

/* ----- mastery (Profile) ----- */
.ms-bar { display: inline-block; width: 90px; height: 10px; border-radius: 999px; background: var(--soft); border: 1px solid var(--edge); overflow: hidden; vertical-align: middle; margin: 0 8px; }
.ms-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--blue)); border-radius: 999px; transition: width .4s ease; }

/* ----- study plan window ----- */
.wz-back { position: fixed; inset: 0; z-index: 210; display: grid; place-items: center; padding: 14px; background: rgba(6, 11, 36, .66); overflow: auto; }
.wz-card { width: min(100%, 520px); max-height: calc(100vh - 28px); overflow: auto; background: #fff; color: var(--ink); border-radius: 20px; padding: 22px 20px 16px; box-shadow: 0 24px 60px rgba(2, 8, 40, .5); }
.wz-card h2 { margin: 6px 0 4px; font-size: 1.35rem; font-weight: 800; }
.wz-card h2:focus { outline: none; }
.wz-sub { margin: 0 0 14px; color: var(--mute); font-size: .92rem; }
.wz-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.wz-dots { display: flex; gap: 6px; }
.wz-dots i { width: 22px; height: 6px; border-radius: 999px; background: var(--edge); }
.wz-dots i.on { background: var(--blue); } .wz-dots i.done { background: var(--blue-d); opacity: .55; }
.wz-goals { display: grid; gap: 8px; margin-bottom: 14px; }
.wz-goal { text-align: left; padding: 12px 14px; border-radius: 12px; border: 2px solid var(--edge); background: #fff; font-weight: 700; color: var(--ink); cursor: pointer; font-size: 1rem; }
.wz-goal.on { border-color: var(--blue); background: var(--soft); }
.wz-row { display: grid; gap: 8px; margin-bottom: 16px; }
.wz-row input[type=range] { width: 100%; }
.wz-out { font-weight: 800; color: var(--blue-d); }
.wz-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.wz-chip { min-width: 44px; padding: 8px 12px; border-radius: 999px; border: 2px solid var(--edge); background: #fff; font-weight: 700; color: var(--ink); cursor: pointer; }
.wz-chip.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.wz-total { margin: 0; font-weight: 700; color: var(--blue-d); }
.wz-subj { padding: 10px 0; border-top: 1px solid var(--edge); display: grid; gap: 8px; }
.wz-topics summary { cursor: pointer; font-weight: 700; color: var(--blue-d); font-size: .9rem; }
.wz-topic { display: flex; align-items: center; gap: 8px; padding: 6px 2px; font-size: .94rem; }
/* "taught this week": topics grouped by module, each with its parts */
.tp { display: grid; gap: 4px; margin-top: 6px; }
.tp-group + .tp-group { margin-top: 8px; }
.tp-gname { margin: 6px 0 2px; font-size: .8rem; font-weight: 800; color: var(--mute, #5d6b8f); }
.tp-topic { border-left: 3px solid var(--edge, #dbe4fb); padding-left: 8px; }
.tp-topic .wz-topic span, .tp-sub span { min-width: 0; overflow-wrap: anywhere; }
.tp-topic .wz-topic input, .tp-sub input { flex: none; width: 18px; height: 18px; }
.tp-parts { margin: 0 0 4px 26px; }
.tp-parts summary { cursor: pointer; font-size: .8rem; font-weight: 700; color: var(--blue, #2f6bff); padding: 2px 0; }
.tp-sub { font-size: .86rem; padding: 4px 2px; }
.tp input:disabled + span { color: var(--mute, #9aa5c4); }
.wz-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 16px; }
.wz-nav { display: flex; gap: 8px; }
.wz-card button:focus-visible, .wz-chip:focus-visible, .wz-goal:focus-visible { outline: 3px solid rgba(47, 107, 255, .45); outline-offset: 2px; }
.wz-toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 260; background: var(--ink); color: #fff; padding: 11px 16px; border-radius: 12px; font-weight: 700; max-width: calc(100vw - 28px); box-shadow: var(--shadow); }

/* ----- fine-tune + challenges ----- */
.wz-h4 { margin: 16px 0 8px; font-size: 1rem; }
.wz-chal { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; border-radius: 12px; background: var(--soft); margin-bottom: 8px; }
.wz-chal.on { background: #e3f8ef; outline: 2px solid var(--green); }
.wz-chal-text { font-size: .92rem; font-weight: 600; }
.wz-daily { margin-bottom: 14px; }
.wz-daily .wz-chal:empty { display: none; }

/* ----- worked solutions (Daily Quest results) ----- */
.dq-sol { margin: 6px 0 12px; border: 1px solid var(--edge); border-radius: 12px; background: #fff; }
.dq-sol > summary { cursor: pointer; padding: 10px 12px; font-weight: 800; color: var(--blue-d); }
.dq-sol-body { padding: 0 12px 12px; display: grid; gap: 10px; }
.dq-sstep { display: grid; grid-template-columns: 26px 1fr; gap: 8px; padding: 10px; border-radius: 10px; background: var(--soft); }
.dq-sstep.correct { background: #e7f8f0; } .dq-sstep.wrong, .dq-sstep.blank { background: #fdeaee; } .dq-sstep.partial { background: #fff6dd; }
.dq-smark { font-weight: 900; font-size: 1.05rem; line-height: 1.3; }
.dq-sstep.correct .dq-smark { color: var(--green); } .dq-sstep.wrong .dq-smark, .dq-sstep.blank .dq-smark { color: var(--red); } .dq-sstep.partial .dq-smark { color: #b07a00; }
.dq-sline { margin: 2px 0; font-size: .92rem; }
.dq-sline b { color: var(--ink); }
.dq-sans { font-weight: 800; color: var(--blue-d); }
.dq-swhy { margin: 4px 0 0; font-size: .88rem; color: var(--mute); }
.dq-sopt { padding: 8px 10px; border-radius: 10px; background: var(--soft); font-size: .92rem; }
.dq-sopt.right { background: #e7f8f0; outline: 2px solid var(--green); }
.dq-sopt.picked:not(.right) { background: #fdeaee; outline: 2px solid var(--red); }
.dq-sopt small { display: block; color: var(--mute); margin-top: 2px; }
.dq-personal { margin: 4px 0 0; font-size: .85rem; color: var(--mute); }

/* ----- Challenges ----- */
.nav-badge { margin-left: auto; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 999px; background: var(--red); color: #fff; font-size: .72rem; font-weight: 800; display: inline-grid; place-items: center; }
.ch-root { display: grid; gap: 12px; }
.ch-body { display: grid; gap: 12px; }
.ch-card { display: grid; gap: 8px; }
.ch-card.live { border: 2px solid var(--green); box-shadow: 0 0 0 4px rgba(31, 191, 138, .15); }
.ch-card.cancelled { opacity: .7; }
.ch-head { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; flex-wrap: wrap; }
.ch-head h3 { margin: 0; }
.ch-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.pill.ph-live { background: #e3f8ef; color: #0f7a56; } .pill.ph-waiting { background: var(--soft); } .pill.ph-finished { background: #eceff7; color: var(--mute); } .pill.ph-cancelled { background: #fdeaee; color: #b02a4d; }
.pill.ai { background: #f1ebff; color: #5b3fd1; }
.ch-meta { margin: 0; font-size: .92rem; color: var(--mute); }
.ch-people { display: flex; flex-wrap: wrap; gap: 6px; }
.ch-chip { padding: 4px 10px; border-radius: 999px; background: var(--soft); font-size: .82rem; font-weight: 700; color: var(--ink); }
.ch-chip.me { background: #dbe6ff; } .ch-chip.wait { background: #fff6dd; color: #8a5a00; } .ch-chip.open { background: #e3f8ef; color: #0f7a56; }
.ch-acts { display: flex; gap: 8px; flex-wrap: wrap; }
.ch-detail { display: grid; gap: 12px; }
.ch-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.ch-bar h2 { margin: 0; font-size: 1.3rem; }
.ch-note { margin: 0; padding: 8px 12px; border-radius: 10px; background: #f1ebff; color: #4c34b5; font-size: .88rem; font-weight: 600; }
.ch-wait { display: grid; gap: 10px; text-align: center; justify-items: center; }
.ch-wait .ch-people { justify-content: center; } .ch-wait .ch-acts { justify-content: center; }
.ch-count { display: grid; gap: 2px; justify-items: center; }
.ch-count b { font-size: 3rem; font-variant-numeric: tabular-nums; color: var(--blue-d); line-height: 1.1; }
.ch-count small { color: var(--mute); font-weight: 700; }
.ch-timer { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 8px 12px; border-radius: 12px; background: var(--ink); color: #fff; }
.ch-timer b { font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.ch-timer.low { background: var(--red); }
.ch-live { display: grid; gap: 12px; }
.ch-result { text-align: center; }
.ch-result h2 { margin: 0 0 4px; }
.ch-form { display: grid; gap: 14px; }
.ch-form h3 { margin: 0; }
.ch-label { display: block; margin-bottom: 6px; font-weight: 700; color: var(--ink); }
.ch-summary { margin: 0; font-weight: 700; color: var(--blue-d); }
@media (prefers-reduced-motion: no-preference) { .ch-card.live { animation: chPulse 2.4s ease-in-out infinite; } @keyframes chPulse { 50% { box-shadow: 0 0 0 7px rgba(31, 191, 138, .08); } } }