/* ============================================
   Design tokens / base reset
   ============================================ */

:root {
  --navy:  #2C3868;
  --steel: #476985;
  --teal:  #609D9F;
  --sand:  #BAB187;
  --peach: #FFBE80;

  --bg-page:     #10142a;
  --bg-panel:    #1c2340;
  --bg-panel-hi: #232b4d;
  --bg-header:   #0d1024;

  --text-hi:  #f4f2ec;
  --text-mid: #a9b1c9;
  --text-low: #e4e6f0;

  --hairline:    rgba(96, 157, 159, 0.22);
  --hairline-hi: rgba(96, 157, 159, 0.5);

  --radius: 3px;
  --gap: 24px;
  --container-max: 1100px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  font-family: "Roboto", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 300;
  background: var(--bg-page);
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(71, 105, 133, 0.20), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 0%, rgba(96, 157, 159, 0.12), transparent 55%);
  background-attachment: fixed;
  color: var(--text-mid);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

button, input, textarea { font-family: inherit; }
button { cursor: pointer; }

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

h1, h2, h3 {
  font-weight: 300;
  color: var(--text-hi);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.6rem, 3vw, 2rem); }
h2 { font-size: 1.3rem; }

.eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 6px;
}

.eyebrow.is-boss { color: var(--peach); }

.label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-low);
}

.mono-figure {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 1px solid var(--peach);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-page); }
::-webkit-scrollbar-thumb { background: var(--steel); border-radius: 6px; }

/* ============================================
   Header — brand, nav, stats strip
   ============================================ */

.site-header {
  background: var(--bg-header);
  padding-block: 36px 18px;
}

.site-header__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.site-header__intro { flex: 1 1 480px; min-width: 0; }

.site-header__brand { display: flex; align-items: center; gap: 16px; margin-top: 6px; }

.site-header__logo { display: block; height: 64px; width: auto; flex-shrink: 0; }

.site-header__sub { margin-top: 10px; font-size: 0.92rem; color: var(--text-low); }

.streak-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-low);
  white-space: nowrap;
  padding-top: 6px;
}

.streak-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(96, 157, 159, 0.18);
  flex-shrink: 0;
}

.streak-dot.is-stale {
  background: var(--sand);
  box-shadow: 0 0 0 3px rgba(186, 177, 135, 0.18);
}

.site-nav { background: var(--bg-header); border-bottom: 1px solid var(--hairline); }

.site-nav__inner {
  display: flex;
  gap: 28px;
  padding-block: 6px 16px;
}

.site-nav a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-low);
  padding-bottom: 6px;
  border-bottom: 2px solid transparent;
}

.site-nav a.active,
.site-nav a:hover { color: var(--teal); border-bottom-color: var(--teal); }

.stats-strip {
  border-bottom: 1px solid var(--hairline);
  background: rgba(28, 35, 64, 0.4);
}

.stats-strip__list { display: flex; flex-wrap: wrap; }

.stat {
  flex: 1 1 150px;
  padding: 12px var(--gap);
  border-right: 1px solid var(--hairline);
}

.stat:last-child { border-right: none; }

.stat__value { font-size: 1.3rem; font-weight: 300; color: var(--text-hi); line-height: 1; }

.stat__value span { color: var(--teal); }

.stat__label { margin-top: 4px; }

/* ============================================
   Main content shell
   ============================================ */

.main { padding-block: 40px 72px; }

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.section-heading .label { color: var(--text-low); }

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}

.state-message {
  grid-column: 1 / -1;
  padding: 40px 20px;
  text-align: center;
  color: var(--text-low);
  border: 1px dashed var(--hairline);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

/* ============================================
   Daily Riff Challenge
   ============================================ */

.daily-challenge-card {
  background: var(--bg-panel);
  border: 2px solid rgba(255, 190, 128, 0.4);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 40px;
  transition: border-color 0.2s ease, opacity 0.2s ease;
}

.daily-challenge-card.is-complete {
  border-color: var(--hairline-hi);
  opacity: 0.6;
}

.daily-challenge-main {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.daily-challenge-checkbox {
  margin-top: 5px;
  accent-color: var(--peach);
  flex-shrink: 0;
}

.daily-challenge-body { flex: 1; min-width: 0; }

.daily-challenge-title-btn {
  display: block;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-hi);
  text-align: left;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.daily-challenge-title-btn:hover { color: var(--teal); text-decoration-color: var(--teal); }

.daily-challenge-desc {
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--text-mid);
  line-height: 1.5;
}

.daily-challenge-card.is-complete .daily-challenge-title-btn,
.daily-challenge-card.is-complete .daily-challenge-desc {
  text-decoration: line-through;
  color: var(--text-mid);
}

.daily-challenge-meta {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--text-low);
}

.daily-challenge-meta a { color: var(--teal); }

.daily-challenge-meta a:hover { text-decoration: underline; }

.daily-challenge-xp { color: var(--peach); font-weight: 500; }

/* ============================================
   Exercise tab modal
   ============================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13, 16, 36, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
}

.modal-overlay[hidden] { display: none; }

.modal-box {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--hairline-hi);
  border-radius: var(--radius);
  padding: 24px;
  max-width: min(680px, 100%);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-box h3 { font-size: 1.1rem; margin-bottom: 16px; padding-right: 24px; }

.modal-box img { display: block; width: 100%; height: auto; border-radius: var(--radius); }

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: none;
  border: none;
  color: var(--text-low);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px;
}

.modal-close:hover { color: var(--teal); }

/* ============================================
   Cards — song quests, achievements
   ============================================ */

.card {
  background: var(--bg-panel);
  border: 2px solid var(--hairline-hi);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

a.card:hover {
  border-color: var(--teal);
  background: var(--bg-panel-hi);
  transform: translateY(-2px);
}

.card.is-locked {
  opacity: 0.45;
  border-style: dashed;
}

.card.is-complete { border-color: var(--teal); }

.card.is-boss { border-color: rgba(255, 190, 128, 0.55); }

.card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline);
}

.card.is-boss .card__top {
  background: rgba(255, 190, 128, 0.06);
  border-bottom-color: rgba(255, 190, 128, 0.25);
}

.boss-pill {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--peach);
  background: rgba(255, 190, 128, 0.12);
  border: 1px solid rgba(255, 190, 128, 0.4);
  border-radius: 100px;
  padding: 2px 8px;
}

.lock-icon { font-size: 0.8rem; color: var(--text-low); }

.lock-icon.complete-icon { color: var(--teal); }

.card__body {
  padding: 14px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.card__title { font-size: 1rem; font-weight: 400; color: var(--text-hi); letter-spacing: -0.005em; }

.tag {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--sand);
  border: 1px solid rgba(186, 177, 135, 0.35);
  border-radius: 100px;
  padding: 3px 9px;
}

.card__desc { font-size: 0.78rem; color: var(--text-mid); line-height: 1.5; }

.card__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  margin-top: auto;
}

.card__stat { padding: 8px 4px; text-align: center; border-right: 1px solid var(--hairline); }

.card__stat:last-child { border-right: none; }

.card__stat-value { font-size: 0.85rem; font-weight: 400; color: var(--text-hi); line-height: 1.2; }

.card__stat-label {
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-low);
  margin-top: 2px;
  display: block;
}

/* ---- Achievement badge cards ---- */

.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 18px;
}

.badge-card .card__body { align-items: center; text-align: center; padding: 22px 16px; }

.badge-icon { font-size: 1.7rem; }

.badge-card.is-earned { border-color: rgba(255, 190, 128, 0.55); }

.badge-card.is-locked { opacity: 0.5; }

/* ============================================
   Campaign Map
   ============================================ */

.region-section { margin-top: 48px; }

.region-focus { color: var(--text-mid); font-size: 0.85rem; margin-bottom: 4px; }

.region-hint { color: var(--text-low); font-size: 0.78rem; margin-bottom: 18px; }

.region-name-sep { margin: 0 8px; color: var(--text-low); }

/* ============================================
   Song quest page
   ============================================ */

.back-link {
  display: inline-block;
  margin-bottom: 20px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-low);
}

.back-link:hover { color: var(--teal); }

.song-header { margin-bottom: 32px; }

.guitarist-note { margin-top: 10px; font-size: 0.78rem; color: var(--text-low); max-width: 60ch; }

.song-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.song-col h2 { font-size: 1rem; margin-bottom: 14px; }

.song-col h2:not(:first-child) { margin-top: 32px; }

.objective-list {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}

.objective-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.85rem;
  color: var(--text-mid);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.objective-row:last-child { border-bottom: none; }

.objective-row:has(input:checked) { color: var(--text-hi); background: rgba(96, 157, 159, 0.07); }

.objective-row input { margin-top: 2px; accent-color: var(--teal); }

.tempo-block { margin-top: 4px; }

.progress-track {
  height: 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.progress-fill { height: 100%; background: var(--teal); transition: width 0.2s ease; }

.tempo-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-low);
  margin-top: 8px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border: 1px solid var(--hairline-hi);
  border-radius: var(--radius);
  color: var(--text-hi);
  font-size: 0.82rem;
  font-weight: 400;
  font-family: inherit;
  background: transparent;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.btn-outline:hover { border-color: var(--teal); color: var(--teal); background: rgba(96, 157, 159, 0.08); }

.btn-outline.is-primary { border-color: var(--teal); color: var(--teal); }

.btn-outline.is-primary:hover { background: rgba(96, 157, 159, 0.14); }

.tab-note { margin-top: 10px; font-size: 0.75rem; color: var(--text-low); }

/* ---- Metronome ---- */

.metronome-target { font-size: 0.85rem; color: var(--text-mid); margin-bottom: 10px; }

.metronome-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.metronome-controls input[type="number"] {
  width: 80px;
  background: var(--bg-panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 8px 10px;
  color: var(--text-hi);
  font-size: 0.9rem;
}

.metronome-presets { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }

.btn-outline.is-active {
  border-color: var(--peach);
  color: var(--peach);
  background: rgba(255, 190, 128, 0.12);
}

.btn-outline.is-active:hover { background: rgba(255, 190, 128, 0.18); }

/* ---- Tab link ---- */

.tab-link-block { margin-top: 16px; }

.tab-link-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-low);
  margin-bottom: 8px;
}

.tab-link-row { display: flex; gap: 8px; flex-wrap: wrap; }

.tab-link-row input {
  flex: 1 1 220px;
  background: var(--bg-panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 9px 11px;
  color: var(--text-hi);
  font-size: 0.85rem;
}

.tab-link-row input:focus { outline: none; border-color: var(--teal); }

.tab-link-status { margin-top: 8px; font-size: 0.78rem; color: var(--text-low); min-height: 1.1em; }

.tab-link-block .btn-outline { margin-top: 4px; }

.practice-form { display: flex; flex-direction: column; gap: 14px; }

.practice-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-low);
}

.practice-form input,
.practice-form textarea {
  background: var(--bg-panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 9px 11px;
  color: var(--text-hi);
  font-size: 0.88rem;
  font-weight: 300;
  letter-spacing: normal;
  text-transform: none;
  resize: vertical;
}

.practice-form input:focus,
.practice-form textarea:focus { outline: none; border-color: var(--teal); }

.practice-form button { align-self: flex-start; }

.journal-list {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow-y: auto;
  max-height: 340px;
}

.journal-entry { padding: 10px 14px; border-bottom: 1px solid var(--hairline); font-size: 0.85rem; }

.journal-entry:last-child { border-bottom: none; }

.journal-entry-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-low);
  margin-bottom: 4px;
}

.journal-entry p { margin: 0; color: var(--text-mid); }

/* ============================================
   Gist sync box
   ============================================ */

.sync-box { margin-top: 44px; display: flex; justify-content: center; }

.sync-form {
  background: var(--bg-panel);
  border: 1px solid var(--hairline-hi);
  border-radius: var(--radius);
  padding: 18px 20px;
  max-width: 440px;
  width: 100%;
  text-align: left;
}

.sync-help { margin: 0 0 12px 0; font-size: 0.78rem; color: var(--text-low); line-height: 1.6; }

.sync-help code { background: var(--bg-header); border-radius: 3px; padding: 1px 5px; color: var(--text-hi); }

.sync-form input[type="password"],
.sync-form input[type="text"] {
  display: block;
  width: 100%;
  background: var(--bg-header);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 9px 11px;
  color: var(--text-hi);
  font-size: 0.88rem;
  margin-bottom: 10px;
}

.sync-form-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }

.sync-status { margin: 10px 0 0; font-size: 0.78rem; color: var(--text-low); }

.sync-connected {
  background: var(--bg-panel);
  border: 1px solid var(--hairline-hi);
  border-radius: var(--radius);
  padding: 16px 18px;
  max-width: 480px;
  width: 100%;
  text-align: center;
}

.sync-status-line { display: block; margin-bottom: 12px; font-size: 0.85rem; color: var(--teal); }

.sync-status-line code { background: var(--bg-header); border-radius: 3px; padding: 1px 5px; color: var(--text-hi); }

.sync-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border: 1px solid var(--teal);
  border-radius: var(--radius);
  color: var(--teal);
  font-family: inherit;
  font-weight: 400;
  font-size: 0.82rem;
  background: transparent;
  transition: background 0.15s ease;
}

.sync-btn:hover { background: rgba(96, 157, 159, 0.14); }

.sync-btn-secondary {
  border-color: var(--hairline-hi);
  color: var(--text-mid);
}

.sync-btn-secondary:hover { border-color: var(--teal); color: var(--teal); background: rgba(96, 157, 159, 0.08); }

/* ============================================
   Footer
   ============================================ */

.site-footer {
  border-top: 1px solid var(--hairline);
  background: var(--bg-header);
  padding-block: 28px;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.site-footer__name { color: var(--text-hi); font-weight: 400; font-size: 0.92rem; }

.site-footer__tagline { color: var(--text-low); font-size: 0.8rem; margin-top: 2px; }

.site-footer__links { display: flex; gap: 20px; font-size: 0.8rem; }

.site-footer__links a {
  color: var(--text-mid);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.site-footer__links a:hover { color: var(--teal); border-color: var(--teal); }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  .song-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 640px) {
  .stat { flex: 1 1 45%; border-right: none; border-bottom: 1px solid var(--hairline); }
  .project-grid, .badge-grid { grid-template-columns: 1fr; }
  .site-nav__inner { gap: 18px; }
}