/* El Camino — EnterSpain Spanish course.
   Own identity: warm Spanish light (sand, terracotta, olive), editorial
   serif display type. Deliberately not a Duolingo-green cartoon path. */

:root {
  --cam-sand: #faf6ee;
  --cam-sand-deep: #f3ecdd;
  --cam-terracotta: #c2571b;
  --cam-terracotta-deep: #9c4514;
  --cam-terracotta-soft: #fdeee2;
  --cam-ink: #2b2620;
  --cam-ink-soft: #6f675c;
  --cam-olive: #5a7233;
  --cam-olive-soft: #eef3e3;
  --cam-gold: #8a6412;
  --cam-gold-soft: #fdf4dc;
  --cam-line: #e7ddc9;
  --cam-card: #ffffff;
  --cam-error: #b3372c;
  --cam-error-soft: #fdeceb;
  --cam-radius: 18px;
  --cam-serif: Georgia, 'Times New Roman', 'Noto Serif', serif;
}

html.dark {
  --cam-sand: #201d18;
  --cam-sand-deep: #29251e;
  --cam-terracotta: #e07a3e;
  --cam-terracotta-deep: #f0955f;
  --cam-terracotta-soft: #3a2a1e;
  --cam-ink: #f0e9dd;
  --cam-ink-soft: #b0a795;
  --cam-olive: #a8c274;
  --cam-olive-soft: #2b3320;
  --cam-gold: #e0b04a;
  --cam-gold-soft: #383018;
  --cam-line: #3d372c;
  --cam-card: #2a2620;
  --cam-error: #e26a5e;
  --cam-error-soft: #3a2422;
}

.camino {
  max-width: 880px;
  margin: 0 auto;
  color: var(--cam-ink);
}

.camino * { box-sizing: border-box; }

/* ---------- Hero ---------- */

.cam-hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--cam-radius);
  background:
    radial-gradient(120% 160% at 85% -20%, var(--cam-terracotta-soft) 0%, transparent 55%),
    linear-gradient(150deg, var(--cam-sand) 20%, var(--cam-sand-deep) 100%);
  border: 1px solid var(--cam-line);
  padding: 34px 30px 28px;
  margin-bottom: 26px;
}

.cam-hero__eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cam-terracotta);
  margin-bottom: 8px;
}

.cam-hero__title {
  font-family: var(--cam-serif);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.05;
  font-weight: 700;
  color: var(--cam-ink);
  margin: 0 0 8px;
}

.cam-hero__tagline {
  font-size: 15px;
  color: var(--cam-ink-soft);
  max-width: 46ch;
  line-height: 1.55;
  margin: 0 0 20px;
}

.cam-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.cam-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  background: var(--cam-card);
  border: 1px solid var(--cam-line);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 13px;
  color: var(--cam-ink-soft);
}

.cam-stat strong {
  font-size: 15px;
  color: var(--cam-ink);
  font-weight: 700;
}

.cam-stat--streak strong { color: var(--cam-terracotta); }
.cam-stat--xp strong { color: var(--cam-gold); }

.cam-hero__progress {
  margin-top: 18px;
}

.cam-progressbar {
  height: 8px;
  border-radius: 999px;
  background: var(--cam-sand-deep);
  border: 1px solid var(--cam-line);
  overflow: hidden;
}

.cam-progressbar__fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cam-terracotta) 0%, var(--cam-gold) 100%);
  transition: width 0.5s ease;
}

.cam-progressbar__label {
  margin-top: 6px;
  font-size: 12px;
  color: var(--cam-ink-soft);
}

.cam-hero__cta {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

/* ---------- Buttons ---------- */

.cam-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 12px;
  border: none;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease;
}

.cam-btn--primary {
  background: var(--cam-terracotta);
  color: #fff;
  box-shadow: 0 6px 16px rgba(194, 87, 27, 0.28);
}
.cam-btn--primary:hover {
  background: var(--cam-terracotta-deep);
  transform: translateY(-1px);
}
.cam-btn--primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.cam-btn--ghost {
  background: transparent;
  color: var(--cam-terracotta);
  border: 1.5px solid var(--cam-terracotta);
}
.cam-btn--ghost:hover { background: var(--cam-terracotta-soft); }

.cam-btn--quiet {
  background: var(--cam-sand-deep);
  color: var(--cam-ink-soft);
}
.cam-btn--quiet:hover { color: var(--cam-ink); }

/* ---------- Notices ---------- */

.cam-notice {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 13px;
  margin-bottom: 20px;
  border: 1px solid var(--cam-line);
  background: var(--cam-card);
  color: var(--cam-ink-soft);
}
.cam-notice a { color: var(--cam-terracotta); font-weight: 700; text-decoration: none; }
.cam-notice a:hover { text-decoration: underline; }

/* ---------- Stage chapters ---------- */

.cam-stage {
  position: relative;
  margin-bottom: 22px;
  border-radius: var(--cam-radius);
  border: 1px solid var(--cam-line);
  background: var(--cam-card);
  overflow: hidden;
}

.cam-stage__head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px 24px 16px;
}

.cam-stage__num {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--cam-serif);
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--cam-terracotta-soft);
  color: var(--cam-terracotta);
}

.cam-stage--done .cam-stage__num {
  background: var(--cam-olive-soft);
  color: var(--cam-olive);
}

.cam-stage__titles { min-width: 0; flex: 1; }

.cam-stage__title {
  font-family: var(--cam-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cam-ink);
  margin: 0;
  line-height: 1.2;
}

.cam-stage__subtitle {
  font-size: 13px;
  color: var(--cam-ink-soft);
  margin-top: 2px;
}

.cam-stage__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.cam-chip {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--cam-sand-deep);
  color: var(--cam-ink-soft);
  white-space: nowrap;
}

.cam-chip--cefr { background: var(--cam-gold-soft); color: var(--cam-gold); }
.cam-chip--free { background: var(--cam-olive-soft); color: var(--cam-olive); }
.cam-chip--done { background: var(--cam-olive-soft); color: var(--cam-olive); }

.cam-stage__desc {
  padding: 0 24px 6px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--cam-ink-soft);
  max-width: 68ch;
}

.cam-stage__lessons {
  padding: 8px 12px 14px;
}

/* ---------- Lesson rows ---------- */

.cam-lesson {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.cam-lesson:hover { background: var(--cam-sand); }

.cam-lesson__state {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  border: 2px solid var(--cam-line);
  background: var(--cam-card);
  color: var(--cam-ink-soft);
}

.cam-lesson--done .cam-lesson__state {
  background: var(--cam-olive-soft);
  border-color: var(--cam-olive);
  color: var(--cam-olive);
}

.cam-lesson--next .cam-lesson__state {
  background: var(--cam-terracotta);
  border-color: var(--cam-terracotta-deep);
  color: #fff;
  box-shadow: 0 4px 12px rgba(194, 87, 27, 0.3);
}

.cam-lesson--locked { opacity: 0.72; }
.cam-lesson--locked .cam-lesson__state { background: var(--cam-sand-deep); }

.cam-lesson__body { flex: 1; min-width: 0; }

.cam-lesson__title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--cam-ink);
  line-height: 1.3;
}

.cam-lesson__sub {
  font-size: 12.5px;
  color: var(--cam-ink-soft);
  margin-top: 1px;
}

.cam-lesson__meta {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--cam-ink-soft);
  white-space: nowrap;
}

/* ---------- Upgrade panel ---------- */

.cam-upgrade {
  border-radius: var(--cam-radius);
  border: 1.5px solid var(--cam-terracotta);
  background:
    radial-gradient(140% 180% at 90% -30%, var(--cam-terracotta-soft) 0%, transparent 50%),
    var(--cam-card);
  padding: 26px 26px 24px;
  margin: 14px 0 22px;
}

.cam-upgrade h3 {
  font-family: var(--cam-serif);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--cam-ink);
}

.cam-upgrade p {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--cam-ink-soft);
  max-width: 58ch;
  margin: 0 0 16px;
}

/* ---------- Lesson player ---------- */

.cam-player__top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.cam-player__exit {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--cam-line);
  background: var(--cam-card);
  color: var(--cam-ink-soft);
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cam-player__exit:hover { color: var(--cam-ink); background: var(--cam-sand); }

.cam-player__crumb {
  font-size: 12.5px;
  color: var(--cam-ink-soft);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cam-player__bar { flex: 1; }

.cam-screen {
  border-radius: var(--cam-radius);
  border: 1px solid var(--cam-line);
  background: var(--cam-card);
  padding: 28px 26px;
  min-height: 340px;
}

.cam-screen h2 {
  font-family: var(--cam-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--cam-ink);
  margin: 0 0 10px;
  line-height: 1.25;
}

.cam-screen .cam-lead {
  font-size: 14px;
  color: var(--cam-ink-soft);
  line-height: 1.6;
  margin-bottom: 14px;
}

.cam-screen .cam-body {
  font-size: 14.5px;
  color: var(--cam-ink);
  line-height: 1.65;
  margin-bottom: 14px;
}

.cam-why {
  border-left: 3px solid var(--cam-terracotta);
  background: var(--cam-terracotta-soft);
  border-radius: 0 12px 12px 0;
  padding: 12px 16px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--cam-ink);
  margin-bottom: 12px;
}

.cam-tip {
  display: flex;
  gap: 10px;
  background: var(--cam-gold-soft);
  border: 1px solid rgba(185, 138, 29, 0.25);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--cam-ink);
}

.cam-tip i { color: var(--cam-gold); flex-shrink: 0; margin-top: 1px; }

/* Vocab */

.cam-phrase {
  border-radius: 12px;
  background: var(--cam-sand);
  border: 1px solid var(--cam-line);
  padding: 12px 16px;
  margin-bottom: 9px;
}

.cam-phrase__es {
  font-family: var(--cam-serif);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--cam-ink);
}

.cam-phrase__en {
  font-size: 13px;
  color: var(--cam-ink-soft);
  margin-top: 3px;
}

.cam-phrase__note {
  font-size: 12px;
  color: var(--cam-terracotta);
  margin-top: 5px;
}

/* Dialogue */

.cam-dialogue__context {
  font-size: 13px;
  font-style: italic;
  color: var(--cam-ink-soft);
  margin-bottom: 16px;
  line-height: 1.5;
}

.cam-turn {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.cam-turn__speaker {
  flex-shrink: 0;
  width: 84px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cam-ink-soft);
  padding-top: 3px;
  text-align: right;
}

.cam-turn--you .cam-turn__speaker { color: var(--cam-terracotta); }

.cam-turn__bubble {
  flex: 1;
  background: var(--cam-sand);
  border: 1px solid var(--cam-line);
  border-radius: 4px 14px 14px 14px;
  padding: 10px 14px;
}

.cam-turn--you .cam-turn__bubble {
  background: var(--cam-terracotta-soft);
  border-color: rgba(194, 87, 27, 0.25);
}

.cam-turn__es {
  font-family: var(--cam-serif);
  font-size: 1.02rem;
  color: var(--cam-ink);
  line-height: 1.45;
}

.cam-turn__en {
  font-size: 12.5px;
  color: var(--cam-ink-soft);
  margin-top: 4px;
  line-height: 1.45;
}

.cam-dialogue__note,
.cam-reading__note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--cam-ink-soft);
  border-top: 1px dashed var(--cam-line);
  padding-top: 12px;
  line-height: 1.55;
}

/* Reading (letters, emails) */

.cam-reading__paper {
  font-family: var(--cam-serif);
  background: var(--cam-sand);
  border: 1px solid var(--cam-line);
  border-radius: 12px;
  padding: 20px 22px;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--cam-ink);
  white-space: pre-wrap;
}

/* Grammar */

.cam-rule {
  font-family: var(--cam-serif);
  background: var(--cam-sand);
  border: 1px solid var(--cam-line);
  border-left: 3px solid var(--cam-gold);
  border-radius: 0 12px 12px 0;
  padding: 14px 18px;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--cam-ink);
  margin-bottom: 14px;
}

.cam-example {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 2px solid var(--cam-line);
  padding: 6px 0 6px 14px;
  margin-bottom: 8px;
}

.cam-example__es {
  font-family: var(--cam-serif);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--cam-ink);
}

.cam-example__en { font-size: 12.5px; color: var(--cam-ink-soft); }

/* Exercises */

.cam-opt {
  display: block;
  width: 100%;
  text-align: left;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1.5px solid var(--cam-line);
  background: var(--cam-card);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--cam-ink);
  margin-bottom: 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.cam-opt:hover { border-color: var(--cam-terracotta); background: var(--cam-sand); }
.cam-opt--sel { border-color: var(--cam-terracotta); background: var(--cam-terracotta-soft); }
.cam-opt--good { border-color: var(--cam-olive); background: var(--cam-olive-soft); }
.cam-opt--bad { border-color: var(--cam-error); background: var(--cam-error-soft); }

.cam-sentence {
  font-family: var(--cam-serif);
  font-size: 1.25rem;
  color: var(--cam-ink);
  margin: 16px 0 18px;
  line-height: 1.5;
}

.cam-chipbtn {
  display: inline-block;
  padding: 9px 14px;
  margin: 4px;
  border-radius: 10px;
  border: 1.5px solid var(--cam-line);
  background: var(--cam-card);
  font-size: 14px;
  font-weight: 600;
  color: var(--cam-ink);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, opacity 0.15s;
}
.cam-chipbtn:hover { border-color: var(--cam-terracotta); }
.cam-chipbtn--matched {
  border-color: var(--cam-olive);
  background: var(--cam-olive-soft);
  color: var(--cam-olive);
  pointer-events: none;
}
.cam-chipbtn--sel { border-color: var(--cam-terracotta); background: var(--cam-terracotta-soft); }
.cam-chipbtn--shake { border-color: var(--cam-error); background: var(--cam-error-soft); }

.cam-slot {
  min-height: 54px;
  border: 1.5px dashed var(--cam-line);
  border-radius: 12px;
  padding: 8px 10px;
  width: 100%;
  text-align: left;
  background: var(--cam-sand);
  cursor: pointer;
  margin-bottom: 14px;
  font-family: var(--cam-serif);
  font-size: 1.05rem;
  color: var(--cam-ink);
}

.cam-slot__hint { font-family: inherit; font-size: 13px; color: var(--cam-ink-soft); }

.cam-input {
  width: 100%;
  margin-top: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1.5px solid var(--cam-line);
  background: var(--cam-card);
  font-size: 16px;
  color: var(--cam-ink);
}
.cam-input:focus { outline: none; border-color: var(--cam-terracotta); }

.cam-match-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.cam-match-grid .cam-chipbtn { margin: 0; width: 100%; text-align: left; }

/* Feedback */

.cam-feedback {
  border-radius: 12px;
  padding: 13px 16px;
  font-size: 13.5px;
  line-height: 1.55;
  margin-top: 14px;
}
.cam-feedback--good { background: var(--cam-olive-soft); color: var(--cam-olive); border: 1px solid rgba(90, 114, 51, 0.3); }
.cam-feedback--bad { background: var(--cam-error-soft); color: var(--cam-error); border: 1px solid rgba(179, 55, 44, 0.3); }

/* Recap */

.cam-recap-point {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.55;
  color: var(--cam-ink);
  margin-bottom: 9px;
}

.cam-recap-point i { color: var(--cam-olive); flex-shrink: 0; margin-top: 3px; }

.cam-recap__phrasebook {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--cam-line);
}

.cam-recap__phrasebook h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cam-ink-soft);
  margin: 0 0 10px;
}

/* Player footer */

.cam-player__footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

/* Celebration */

.cam-done {
  text-align: center;
  padding: 30px 10px 20px;
}

.cam-done__mark {
  width: 74px;
  height: 74px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--cam-olive-soft);
  color: var(--cam-olive);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.cam-done h2 {
  font-family: var(--cam-serif);
  font-size: 1.7rem;
  margin-bottom: 6px;
}

.cam-done__xp {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--cam-gold);
  margin: 10px 0 4px;
}

.cam-done__stats {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.cam-done__milestone {
  margin: 18px auto 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cam-ink-soft);
}

/* Utility */

.cam-loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--cam-ink-soft);
  font-size: 14px;
}

@keyframes cam-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}
.cam-shake { animation: cam-shake 0.25s ease 2; }

@media (max-width: 640px) {
  .cam-hero { padding: 24px 18px 22px; }
  .cam-screen { padding: 20px 16px; min-height: 300px; }
  .cam-stage__head { padding: 18px 16px 12px; }
  .cam-stage__desc { padding: 0 16px 6px; }
  .cam-turn__speaker { width: 64px; }
  .cam-match-grid { grid-template-columns: 1fr; }
  .cam-lesson__meta .cam-lesson__mins { display: none; }
}