/* Practice stage navigation, progress bars, and exercise dots. Extracted from styles.fixed.css without behavior changes. */

/* =========================
   9. STAGE NAV
   ========================= */

.stage-nav {
  position: relative;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 18px 0;
  align-items: center;
  padding: 5px;
  border: 1px solid rgba(130,148,190,0.20);
  border-radius: 999px;
  background: rgba(255,255,255,0.54);
  box-shadow: 0 10px 24px rgba(24,35,63,0.05), inset 0 1px 0 rgba(255,255,255,0.68);
  backdrop-filter: blur(12px);
}

.stage-btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 48px;
  min-height: 42px;
  padding: 7px 13px 11px;
  border-radius: 999px !important;
  background: rgba(255,255,255,0.72) !important;
  color: var(--text) !important;
  border: 1px solid rgba(130,148,190,0.18) !important;
  box-shadow:
    0 4px 12px rgba(24,35,63,0.04),
    inset 0 1px 0 rgba(255,255,255,0.6);
  backdrop-filter: blur(10px);
  font-weight: 700;
  letter-spacing: 0.01em;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease;
}

.stage-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(255,255,255,0.22) 42%,
    transparent 68%
  );
  transform: translateX(-140%);
  transition: transform 0.7s ease;
}

.stage-btn:hover::before {
  transform: translateX(140%);
}

.stage-btn:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.92) !important;
  border-color: rgba(79,107,255,0.22) !important;
  box-shadow:
    0 10px 24px rgba(79,107,255,0.10),
    inset 0 1px 0 rgba(255,255,255,0.75);
}

.stage-btn.active:not(.completed) {
  background: linear-gradient(135deg, rgba(79,107,255,0.96), rgba(124,92,255,0.96)) !important;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow:
    0 14px 30px rgba(79,107,255,0.24),
    0 0 0 1px rgba(255,255,255,0.16) inset,
    0 0 20px rgba(124,92,255,0.12) !important;
}

.stage-btn.completed {
  background: linear-gradient(135deg, rgba(34,197,94,0.92), rgba(22,163,74,0.92)) !important;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: 0 10px 22px rgba(34,197,94,0.18);
}

.stage-btn.completed:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(34,197,94,0.22);
}

.stage-btn.pending:not(.active) {
  border-color: rgba(99, 91, 255, 0.26) !important;
  background:
    linear-gradient(135deg, rgba(99,91,255,0.055), rgba(255,255,255,0.86)),
    rgba(255,255,255,0.78) !important;
}

.stage-btn.needs-attention {
  overflow: visible;
  box-shadow:
    0 8px 20px rgba(79,107,255,0.12),
    0 0 0 1px rgba(99,91,255,0.20) inset !important;
}



.stage-btn.active:not(.completed):hover {
  box-shadow: 0 16px 32px rgba(79,107,255,0.26);
}

.stage-btn:disabled,
.stage-btn.locked {
  opacity: 0.45;
  filter: grayscale(0.1);
  cursor: not-allowed;
}


.stage-mini-meter {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(130,148,190,0.18);
  z-index: 1;
}

.stage-mini-meter i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(99,91,255,0.88), rgba(47,191,143,0.88));
  transition: width 0.25s ease;
}

.stage-btn.completed .stage-mini-meter {
  background: rgba(255,255,255,0.22);
}

.stage-btn.completed .stage-mini-meter i,
.stage-btn.active .stage-mini-meter i {
  background: rgba(255,255,255,0.92);
}

.stage-header {
  display: flex;
  align-items: center;
  width: 100%;
  margin: 18px 0 14px;
  padding: 10px 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(79,107,255,0.10), rgba(124,92,255,0.08));
  color: #18233f;
  border: 1px solid rgba(130,148,190,0.18);
  box-shadow:
    0 8px 20px rgba(24,35,63,0.05),
    inset 0 1px 0 rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 900;
  font-size: 0.86rem;
}

.stage-header.practice {
  background: linear-gradient(135deg, rgba(239,68,68,0.14), rgba(220,53,69,0.10)) !important;
  color: #7f1d1d !important;
}

/* =========================
   10. TOPIC PROGRESS
   ========================= */

#topicProgressContainer {
  margin: 12px 0 8px 0 !important;
}

#topicProgressContainer > div:first-child {
  margin-bottom: 5px;
  color: rgba(95,109,140,0.78);
  font-weight: 700;
  letter-spacing: 0;
}

.topic-progress-meta {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 120px;
}

.progress-save-status {
  display: none;
  align-items: center;
  min-height: 18px;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid rgba(130,148,190,0.14);
  background: rgba(255,255,255,0.38);
  color: rgba(91,103,128,0.62);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.progress-save-status.is-visible {
  display: inline-flex;
}

.progress-save-status.is-saving {
  border-color: rgba(124,92,255,0.12);
  color: rgba(86,76,184,0.58);
}

.progress-save-status.is-saved {
  border-color: rgba(50,171,109,0.12);
  background: rgba(237,250,244,0.36);
  color: rgba(50,128,90,0.58);
}

.progress-save-status.is-error {
  border-color: rgba(214,80,80,0.22);
  background: rgba(255,244,244,0.9);
  color: #a33a3a;
  font-size: 0.72rem;
  font-weight: 800;
}

#topicProgressContainer > div:last-child {
  position: relative;
  height: 9px !important;
  border-radius: 999px !important;
  background: rgba(228,233,246,0.62) !important;
  border: 1px solid rgba(130,148,190,0.10);
  box-shadow: inset 0 1px 2px rgba(24,35,63,0.04);
  overflow: hidden;
}

#topicProgressBar {
  position: relative;
  height: 100% !important;
  border-radius: 999px !important;
  background: linear-gradient(90deg, rgba(79,107,255,0.96), rgba(124,92,255,0.96)) !important;
  box-shadow:
    0 0 16px rgba(79,107,255,0.18),
    inset 0 1px 0 rgba(255,255,255,0.28);
}
#sectionProgressContainer {
  margin: 10px 0 10px 0 !important;
}

#sectionProgressContainer > div:first-child {
  margin-bottom: 6px;
  color: #5f6d8c;
  font-weight: 700;
  letter-spacing: 0.01em;
}

#sectionProgressContainer > div:last-child {
  position: relative;
  height: 12px !important;
  border-radius: 999px !important;
  background: rgba(255,255,255,0.62) !important;
  border: 1px solid rgba(130,148,190,0.16);
  box-shadow:
    inset 0 1px 2px rgba(24,35,63,0.06),
    0 4px 10px rgba(24,35,63,0.04);
  overflow: hidden;
}

#sectionProgressBar {
  position: relative;
  height: 100% !important;
  border-radius: 999px !important;
  background: linear-gradient(90deg, rgba(124,92,255,0.96), rgba(79,107,255,0.96)) !important;
  box-shadow:
    0 0 16px rgba(124,92,255,0.18),
    inset 0 1px 0 rgba(255,255,255,0.28);
}

#sectionProgressBar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(255,255,255,0.28) 45%,
    transparent 70%
  );
  transform: translateX(0);
}

#sectionProgressPercent {
  font-weight: 800;
  color: #4e3fb8;
}

#topicProgressBar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(255,255,255,0.28) 45%,
    transparent 70%
  );
  transform: translateX(0);
}

/* =========================
   Exercise progress dots
   ========================= */

.exercise-nav-meta.soft-meta {
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.35);
}
.dots-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: fit-content;
  max-width: 100%;
  margin: 18px auto 0;
  padding: 7px 9px;
  border: 1px solid rgba(130,148,190,0.18);
  border-radius: 999px;
  background: rgba(255,255,255,0.60);
  box-shadow: 0 10px 24px rgba(24,35,63,0.05), inset 0 1px 0 rgba(255,255,255,0.68);
  backdrop-filter: blur(10px);
}

.nav-icon-btn {
  min-width: 34px;
  padding: 4px 8px;
  font-size: 0.9rem;
}

.keyboard-nav-target {
  position: absolute !important;
  width: 1px !important;
  min-width: 1px !important;
  height: 1px !important;
  min-height: 1px !important;
  overflow: hidden !important;
  margin: -1px !important;
  padding: 0 !important;
  border: 0 !important;
  opacity: 0 !important;
  pointer-events: none !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

.exercise-dots {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-wrap: wrap;
  overflow: visible;
  max-width: min(330px, 100%);
  padding: 5px 7px;
  row-gap: 6px;
  border-radius: 999px;
  background: rgba(238,242,255,0.46);
}

.exercise-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
  flex: 0 0 auto;
  border: 1px solid rgba(130,148,190,0.22);
  background: rgba(130,148,190,0.18);
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.exercise-dot:hover {
  transform: scale(1.15);
}

.exercise-dot.pending {
  background: rgba(130,148,190,0.16);
  border-color: rgba(130,148,190,0.20);
}

.exercise-dot.correct {
  background: rgba(46,170,92,0.88);
  border-color: rgba(46,170,92,0.92);
}

.exercise-dot.wrong {
  background: rgba(220,53,69,0.82);
  border-color: rgba(220,53,69,0.88);
}

.exercise-dot.skipped {
  background: rgba(255,184,77,0.22);
  border-color: rgba(255,184,77,0.72);
}

.exercise-dot.current {
  background: rgba(124,92,255,0.96);
  border-color: rgba(124,92,255,1);
  box-shadow: 0 0 0 3px rgba(124,92,255,0.14);
  transform: scale(1.12);
}

@media (max-width: 800px) {
  .stage-header {
    margin: 8px 0;
    padding: 6px 12px;
    font-size: 0.8rem;
  }
}

@media (max-width: 520px) {
  .stage-nav {
    border-radius: 26px;
  }

  .stage-btn {
    min-width: 44px;
    padding-inline: 11px;
  }

  .dots-row {
    gap: 7px;
    padding: 6px 7px;
  }

  .exercise-dots {
    max-width: 210px;
  }
}
/* Keep the five practice stages and their settings control on one mobile row. */
@media (max-width: 760px) {
  .practice-top-row {
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
  }

  .practice-top-row .stage-nav {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    flex: 1 1 0;
    min-width: 0;
    gap: 6px;
    padding: 5px;
  }

  .practice-top-row .stage-btn {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    aspect-ratio: 1;
    padding: 5px 2px 9px;
    gap: 0;
  }

  .practice-top-row .stage-mini-meter {
    left: 9px;
    right: 9px;
    bottom: 6px;
  }

  .practice-top-row .exercise-controls-mount {
    flex: 0 0 50px;
    min-width: 50px;
    padding-top: 0;
  }
}

@media (max-width: 380px) {
  .practice-top-row {
    gap: 5px;
  }

  .practice-top-row .stage-nav {
    gap: 4px;
    padding: 4px;
  }

  .practice-top-row .stage-mini-meter {
    left: 8px;
    right: 8px;
  }
}