/* ============================================================
   VIEWS — onboarding, dashboard, course stream, review, toolkit
   ============================================================ */

.view { padding-bottom: var(--s9); }
.view-head { padding: clamp(var(--s5), 5vw, var(--s8)) 0 var(--s5); }

/* ---- Onboarding ---------------------------------------------------- */
.onb { min-height: 100dvh; display: grid; place-items: center; padding: var(--s5) var(--s4); }
.onb-card { width: min(100%, 40rem); }
.onb-steps { display: flex; gap: 6px; margin-bottom: var(--s5); }
.onb-steps i {
  height: 5px; flex: 1; border-radius: 3px; background: var(--ink-200);
  transition: background var(--d-med) var(--e-out);
}
.onb-steps i.is-on { background: var(--accent); }
.pickgrid { display: grid; gap: var(--s3); }
@media (min-width: 620px) { .pickgrid.two { grid-template-columns: 1fr 1fr; } }
.pick {
  display: grid; gap: 6px; text-align: left; cursor: pointer;
  padding: var(--s4) var(--s5); min-height: 88px;
  background: rgba(255,255,255,.86); border: 2px solid var(--ink-200);
  border-radius: var(--r-lg); box-shadow: var(--sh-1);
  transition: transform var(--d-fast) var(--e-spring), border-color var(--d-fast);
}
.pick:hover { transform: translateY(-2px); border-color: var(--accent); }
.pick[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-wash); }
.pick .p-title { font-family: var(--font-display); font-weight: 800; font-size: var(--t-lg); color: var(--ink-900); }
.pick .p-sub { font-size: var(--t-sm); color: var(--ink-600); }

/* ---- Dashboard ----------------------------------------------------- */
.dash { display: grid; gap: var(--s5); }

/* The single biggest thing on the page is always Continue Learning. */
.continue-card {
  position: relative; overflow: hidden;
  padding: clamp(var(--s5), 4vw, var(--s7));
  border-radius: var(--r-xl);
  background: linear-gradient(140deg,
      color-mix(in srgb, var(--accent) 22%, white) 0%,
      color-mix(in srgb, var(--accent-2) 20%, white) 100%);
  border: 1px solid var(--glass-line);
  box-shadow: var(--sh-3);
  display: grid; gap: var(--s4);
}
@media (min-width: 800px) {
  .continue-card { grid-template-columns: 1.35fr .65fr; align-items: center; }
}
.continue-card .cc-body { display: grid; gap: var(--s3); align-content: start; }
.continue-card h2 { margin: 0; font-size: var(--t-2xl); }
.continue-card .cc-where { font-size: var(--t-sm); color: var(--accent-ink); font-weight: 800; }
.continue-card .cc-art { justify-self: center; width: 100%; max-width: 260px; }

.statgrid { display: grid; gap: var(--s3); grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.stat {
  padding: var(--s4); border-radius: var(--r-lg);
  background: rgba(255,255,255,.78); border: 1px solid var(--glass-edge);
  box-shadow: var(--sh-1);
  display: grid; gap: 2px;
}
.stat .s-num { font-family: var(--font-display); font-weight: 800; font-size: var(--t-xl); color: var(--ink-900); line-height: 1.1; }
.stat .s-lab { font-size: var(--t-xs); color: var(--ink-600); font-weight: 700; letter-spacing: .02em; }
.stat .s-foot { font-size: var(--t-xs); color: var(--ink-500); }

.coursecards { display: grid; gap: var(--s4); }
@media (min-width: 780px) { .coursecards { grid-template-columns: 1fr 1fr; } }
.coursecard {
  display: grid; gap: var(--s3);
  padding: clamp(var(--s4), 3vw, var(--s5));
  border-radius: var(--r-xl); text-decoration: none; color: inherit;
  background: rgba(255,255,255,.76); border: 1px solid var(--glass-edge);
  box-shadow: var(--sh-2);
  transition: transform var(--d-med) var(--e-spring), box-shadow var(--d-med);
}
.coursecard:hover { transform: translateY(-3px); box-shadow: var(--sh-3); }
.coursecard .cc-top { display: flex; gap: var(--s4); align-items: center; }
.coursecard h3 { margin: 0; }

/* ---- Course overview: THE LANGUAGE STREAM -------------------------- */
.chapters { display: grid; gap: var(--s6); }

.chapter {
  position: relative;
  border-radius: var(--r-xl);
  padding: clamp(var(--s4), 3.5vw, var(--s6));
  background: rgba(255,255,255,.62);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.5);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.5);
  border: 1px solid var(--glass-line);
  box-shadow: var(--sh-2), inset 0 1px 0 rgba(255,255,255,.85);
  overflow: hidden;
}
.chapter::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  opacity: .9;
}
.chapter.is-locked { opacity: .72; }
.chapter-head { display: flex; gap: var(--s4); align-items: center; margin-bottom: var(--s4); flex-wrap: wrap; }
.chapter-head .ch-n {
  font-family: var(--font-display); font-weight: 800; font-size: var(--t-xs);
  letter-spacing: .12em; text-transform: uppercase; color: var(--accent-deep);
}
.chapter-head h3 { margin: 0; }
.chapter-head .ch-goal { font-size: var(--t-sm); color: var(--ink-600); }

/* Vertical milestone stream inside a chapter */
.milestones { position: relative; display: grid; gap: var(--s3); padding-left: 34px; }
.milestones::before {
  content: ""; position: absolute; left: 13px; top: 12px; bottom: 12px; width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg,
    var(--accent) 0%, var(--accent) var(--chap-fill, 0%),
    rgba(23,20,60,.10) var(--chap-fill, 0%));
}
.ms {
  position: relative; display: grid; gap: 3px;
  padding: var(--s3) var(--s4); text-align: left; cursor: pointer;
  border-radius: var(--r-md); text-decoration: none; color: inherit;
  background: rgba(255,255,255,.72); border: 1px solid var(--glass-edge);
  transition: transform var(--d-fast) var(--e-spring), box-shadow var(--d-fast), background var(--d-fast);
}
.ms:hover { transform: translateX(3px); box-shadow: var(--sh-2); background: rgba(255,255,255,.92); }
.ms::before {
  content: ""; position: absolute; left: -27px; top: 50%; transform: translateY(-50%);
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--white); border: 3px solid var(--ink-200);
  transition: border-color var(--d-med), background var(--d-med), box-shadow var(--d-med);
}
.ms.is-current::before { border-color: var(--accent); box-shadow: 0 0 0 5px var(--accent-wash); }
.ms.is-done::before { background: var(--accent); border-color: var(--accent); }
.ms.is-mastered::before { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 10px var(--accent); }
.ms .ms-title { font-family: var(--font-display); font-weight: 800; color: var(--ink-900); }
.ms .ms-meta { font-size: var(--t-xs); color: var(--ink-600); display: flex; gap: var(--s3); flex-wrap: wrap; align-items: center; }
.ms.is-locked { opacity: .55; cursor: pointer; }
.ms.is-mastered { background: linear-gradient(100deg, rgba(255,255,255,.9), color-mix(in srgb, var(--accent) 10%, white)); }

.chapter-foot { margin-top: var(--s4); display: flex; gap: var(--s3); align-items: center; flex-wrap: wrap; }

/* ---- Review view --------------------------------------------------- */
.reviewhero {
  display: grid; gap: var(--s4); justify-items: center; text-align: center;
  padding: clamp(var(--s5), 4vw, var(--s7));
}
.duegrid { display: grid; gap: var(--s2); grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.duecard {
  padding: var(--s3) var(--s4); border-radius: var(--r-md);
  background: rgba(255,255,255,.8); border: 1px solid var(--glass-edge);
  display: grid; gap: 2px;
}
.duecard .d-es { font-family: var(--font-display); font-weight: 800; color: var(--accent-ink); }
.duecard .d-stage { font-size: var(--t-xs); color: var(--ink-600); }

/* Mastery stage pips */
.pips { display: inline-flex; gap: 3px; align-items: center; }
.pips i {
  width: 7px; height: 7px; border-radius: 2px; background: var(--ink-200); display: block;
}
.pips i.on { background: var(--accent); }

/* ---- Toolkit ------------------------------------------------------- */
.toolkit-search {
  position: sticky; top: var(--header-h); z-index: 40;
  padding: var(--s3) 0;
  background: linear-gradient(180deg, var(--paper) 70%, transparent);
}
.searchbox {
  display: flex; align-items: center; gap: var(--s3);
  padding: 0 var(--s4); min-height: 54px;
  background: rgba(255,255,255,.9); border: 1px solid var(--glass-edge);
  border-radius: var(--r-pill); box-shadow: var(--sh-2);
}
.searchbox input {
  flex: 1; border: 0; background: none; font: inherit; font-size: var(--t-md);
  color: var(--ink-900); min-height: 52px;
}
.searchbox input:focus { outline: none; }
/* minmax(0, 1fr) rather than the default auto track: a long Spanish phrase
   with no break opportunity would otherwise push the card wider than the
   column and give the whole page a sideways scroll on a phone. */
.tk-results { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s3); margin-top: var(--s4); }
.tk-item {
  min-width: 0; overflow-wrap: anywhere;
  padding: var(--s4); border-radius: var(--r-lg);
  background: rgba(255,255,255,.8); border: 1px solid var(--glass-edge);
  box-shadow: var(--sh-1);
}
.tk-item h4 { margin-bottom: 4px; }
.tk-kind {
  font-size: var(--t-xs); font-weight: 800; letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent-deep);
}
.tk-empty { text-align: center; padding: var(--s7) var(--s4); color: var(--ink-600); }

/* ---- Vocabulary collection ---------------------------------------- */
.collection { display: grid; gap: var(--s2); grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); }
.colcard {
  padding: var(--s3); border-radius: var(--r-md); text-align: center;
  background: rgba(255,255,255,.82); border: 1px solid var(--glass-edge);
  display: grid; gap: 4px;
}
.colcard.is-mastered {
  background: linear-gradient(150deg, rgba(255,255,255,.95), color-mix(in srgb, var(--accent) 16%, white));
  border-color: color-mix(in srgb, var(--accent) 36%, transparent);
  box-shadow: 0 4px 14px var(--accent-wash);
}
.colcard .cw { font-family: var(--font-display); font-weight: 800; color: var(--accent-ink); font-size: var(--t-sm); }
.colcard .cg { font-size: var(--t-xs); color: var(--ink-600); }

/* ---- Achievements -------------------------------------------------- */
.achgrid { display: grid; gap: var(--s3); grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
.ach {
  display: grid; gap: 4px; padding: var(--s4); border-radius: var(--r-lg);
  background: rgba(255,255,255,.72); border: 1px solid var(--glass-edge);
}
.ach.is-earned {
  background: linear-gradient(150deg, rgba(255,255,255,.95), color-mix(in srgb, var(--accent-2) 20%, white));
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
  box-shadow: var(--sh-2);
}
.ach .a-icon { font-size: 1.5rem; }
.ach .a-name { font-family: var(--font-display); font-weight: 800; color: var(--ink-900); font-size: var(--t-sm); }
.ach .a-desc { font-size: var(--t-xs); color: var(--ink-600); }
.ach:not(.is-earned) { opacity: .62; }

/* ---- Bottom nav (mobile) ------------------------------------------ */
.tabbar {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 12px; z-index: 70;
  display: flex; gap: 2px; padding: 5px;
  background: rgba(255,255,255,.80);
  -webkit-backdrop-filter: blur(20px) saturate(1.7);
  backdrop-filter: blur(20px) saturate(1.7);
  border: 1px solid var(--glass-line); border-radius: var(--r-pill);
  box-shadow: var(--sh-3);
  width: min(96vw, 520px);
}
.tabbar a {
  flex: 1; min-width: 0; display: grid; gap: 1px; place-items: center;
  padding: 7px 2px 6px; border-radius: var(--r-pill);
  text-decoration: none; color: var(--ink-600);
  font-size: clamp(9px, 2.35vw, 10px); font-weight: 800; font-family: var(--font-display);
  min-height: 46px;
  transition: background var(--d-fast), color var(--d-fast);
}
.tabbar a > span { white-space: nowrap; }
.tabbar a .tb-i { font-size: 17px; line-height: 1; }
.tabbar a[aria-current="page"] { background: var(--accent-wash); color: var(--accent-deep); }
.tabbar a .tb-badge {
  position: absolute; transform: translate(14px, -8px);
  min-width: 17px; height: 17px; padding: 0 4px; border-radius: 9px;
  background: var(--c-coral); color: #fff; font-size: 10px;
  display: grid; place-items: center;
}
body.has-tabbar { padding-bottom: 78px; }
body.in-lesson .tabbar { display: none; }

/* ---- Empty / error states ---- */
.empty {
  text-align: center; padding: var(--s8) var(--s4);
  display: grid; gap: var(--s3); justify-items: center;
}