/* App-Rahmen, Navigation, Ansichten */

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-med) ease;
}
.app-header.is-scrolled { border-bottom-color: var(--rule); }

.app-header__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--sp-4) var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.brand {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  font-weight: 500;
  font-style: italic;
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: var(--sp-5);
  flex: 1;
  transition: opacity var(--dur-med) ease;
}
.nav a {
  font-size: var(--fs-sm);
  color: var(--ink-muted);
  text-decoration: none;
  padding: var(--sp-1) 0;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) ease, border-color var(--dur-fast) ease;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}
.nav a:focus-visible { border-radius: 2px; }

/* Während einer Session gedimmt, aber nutzbar */
.is-session .nav { opacity: 0.4; }
.is-session .nav:hover, .is-session .nav:focus-within { opacity: 1; }
.is-session .brand { opacity: 0.55; }

.streak-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  margin-right: -10px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  background: none;
  transition: border-color var(--dur-fast) ease;
  font-size: var(--fs-sm);
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.streak-badge svg { width: 14px; height: 14px; color: var(--brass); }
.streak-badge .shield { width: 12px; height: 12px; margin-left: 2px; }
.streak-badge strong { color: var(--ink); font-weight: 600; }
.streak-badge:hover { border-color: var(--rule); }
.streak-badge .bookmark-dots { display: inline-flex; gap: 3px; margin-left: 2px; }
.streak-badge .bookmark-dots i {
  width: 5px; height: 9px;
  background: var(--brass);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 75%, 0 100%);
}

.app-main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--sp-5) var(--sp-5) var(--sp-8);
}
.app-main:focus { outline: none; }

.view { animation: view-in 320ms var(--ease-out); }
.view.is-leaving { animation: view-out 260ms ease forwards; }
@keyframes view-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes view-out { to { opacity: 0; } }

.view-title {
  font-size: var(--fs-xl);
  font-weight: 420;
  margin-bottom: var(--sp-5);
}

.banners {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--sp-5);
  display: grid;
  gap: var(--sp-2);
}
.banner {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid var(--rule);
  border-radius: var(--r-input);
  font-size: var(--fs-sm);
  color: var(--ink-muted);
  background: var(--paper-raised);
}
.banner p { flex: 1; }

/* ---------- Fokus ---------- */

.focus {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: calc(100vh - 150px);
  gap: var(--sp-3);
}

.focus__setup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
}

.focus__status {
  min-height: 1.5em;
  color: var(--ink-muted);
  font-size: var(--fs-md);
}
.focus__status strong { color: var(--ink); font-weight: 500; }

.timer {
  font-family: var(--font-serif);
  font-size: var(--fs-timer);
  font-weight: 350;
  font-variation-settings: "opsz" 72;
  font-variant-numeric: tabular-nums lining-nums;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: var(--sp-2) 0 var(--sp-1);
}
.timer.is-break { color: var(--ink-muted); }

.wip-stage {
  height: min(360px, 34vh);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
  padding-bottom: 10px;
}
.wip-stage::after {
  /* schmales Brett unter dem Buch in Arbeit */
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 120px;
  height: 10px;
  transform: translateX(-50%);
  border-radius: 2px;
  background: linear-gradient(180deg, var(--wood-edge) 0 2px, var(--wood) 2px, var(--wood-dark));
  box-shadow: var(--shadow-board);
}

.focus__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  min-height: 92px;
  justify-content: center;
}
.focus__actions .row { display: flex; gap: var(--sp-3); align-items: center; }

.break-hint {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  font-style: italic;
  color: var(--ink);
}

.focus__footer {
  margin-top: auto;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-5);
  padding-top: var(--sp-5);
  font-size: var(--fs-sm);
  color: var(--ink-muted);
}

.level-line {
  text-align: right;
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: var(--sp-1) 0;
  border-radius: 6px;
  cursor: pointer;
}
.level-line:hover strong { color: var(--brass); }
.level-line:hover .level-bar { background: color-mix(in srgb, var(--brass) 25%, var(--rule)); }
.level-line strong { font-family: var(--font-serif); font-weight: 500; color: var(--ink); font-size: var(--fs-md); }
.level-bar {
  display: block;
  width: 140px;
  height: 2px;
  background: var(--rule);
  margin-top: 6px;
  margin-left: auto;
  border-radius: 2px;
  overflow: hidden;
}
.level-bar i { display: block; height: 100%; background: var(--brass); }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-8) 0;
  text-align: center;
}
.empty-state p { font-family: var(--font-serif); font-size: var(--fs-lg); }

.focus__hint {
  font-size: var(--fs-sm);
  color: var(--ink-muted);
  display: flex;
  gap: var(--sp-3);
  align-items: center;
}

/* ---------- Regal ---------- */

.shelf-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-5);
  flex-wrap: wrap;
  margin-bottom: var(--sp-6);
}

.shelf-controls { display: flex; flex-direction: column; align-items: flex-end; gap: var(--sp-3); flex: 1; }
.shelf-filter { display: flex; gap: var(--sp-2); flex-wrap: wrap; justify-content: flex-end; }
.shelf-layout { display: flex; gap: var(--sp-1); }
.shelf-layout .link-btn { text-decoration-color: transparent; }
.shelf-layout .link-btn[aria-pressed="true"] { color: var(--ink); text-decoration-color: currentColor; }

/* ---------- Statistik ---------- */

.stats-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin-bottom: var(--sp-6);
}
.stats-head .view-title { margin-bottom: 0; }

.stats-section { margin-bottom: var(--sp-7); }
.stats-section h2 {
  font-size: var(--fs-lg);
  margin-bottom: var(--sp-4);
}
.stats-section .sub { color: var(--ink-muted); font-size: var(--fs-sm); margin-top: calc(-1 * var(--sp-3)); margin-bottom: var(--sp-4); }

.figures {
  display: flex;
  flex-wrap: wrap;
  column-gap: var(--sp-6);
  row-gap: var(--sp-4);
  padding: var(--sp-4) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: var(--sp-7);
}
.figure { display: flex; flex-direction: column; }
.figure dt { font-size: var(--fs-xs); color: var(--ink-muted); order: 2; }
.figure dd {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  order: 1;
}

.bars { display: grid; gap: var(--sp-3); }
.bar-row {
  display: grid;
  grid-template-columns: minmax(120px, 200px) 1fr minmax(140px, auto);
  gap: var(--sp-4);
  align-items: center;
  font-size: var(--fs-sm);
}
.bar-row__name { display: flex; align-items: center; gap: var(--sp-2); min-width: 0; }
.bar-row__name span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-row__track { height: 10px; border-radius: 2px; background: color-mix(in srgb, var(--rule) 55%, transparent); overflow: hidden; }
.bar-row__fill { height: 100%; border-radius: 2px; background: var(--c); }
.bar-row__value { text-align: right; color: var(--ink-muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.bar-row__value strong { color: var(--ink); font-weight: 500; }

.heatmap-wrap { overflow-x: auto; padding-bottom: var(--sp-2); }
.heatmap { display: block; }
.heatmap text { font-family: var(--font-sans); font-size: 10px; fill: var(--ink-muted); }
.heatmap rect[data-day]:hover { stroke: var(--ink); stroke-width: 1; }
.heat-legend { display: flex; align-items: center; gap: 4px; font-size: var(--fs-xs); color: var(--ink-muted); margin-top: var(--sp-3); }
.heat-legend i { width: 11px; height: 11px; border-radius: 2px; display: inline-block; }

/* ---------- Einstellungen ---------- */

.settings { max-width: 640px; }
.settings-group {
  padding: var(--sp-5) 0;
  border-top: 1px solid var(--rule);
}
.settings-group:first-of-type { border-top: 0; padding-top: 0; }
.settings-group h2 { font-size: var(--fs-lg); margin-bottom: var(--sp-4); }
.settings-group .note { font-size: var(--fs-sm); color: var(--ink-muted); margin-top: var(--sp-3); }

.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-2) 0;
  min-height: 44px;
}
.field-row > label, .field-row > .label { flex: 1; }
.field-row .hint { display: block; font-size: var(--fs-xs); color: var(--ink-muted); }
.field-row.is-disabled { opacity: 0.5; }

.subject-list { display: grid; gap: 2px; margin-bottom: var(--sp-4); }
.subject-item {
  display: grid;
  grid-template-columns: 28px 1fr auto auto;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-1) 0;
  border-radius: var(--r-input);
}
.subject-item.is-dragging { opacity: 0.4; }
.subject-item.is-drop-target { box-shadow: 0 -2px 0 var(--brass); }

.subject-add {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
  flex-wrap: wrap;
}
.subject-add .input { flex: 1; min-width: 180px; }

.archived-list { margin-top: var(--sp-4); }
.archived-list summary { cursor: pointer; font-size: var(--fs-sm); color: var(--ink-muted); }
.archived-list .subject-item { grid-template-columns: 1fr auto; opacity: 0.8; }

.data-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); }

@media (max-width: 720px) {
  .app-header__inner { gap: var(--sp-4); padding: var(--sp-3) var(--sp-4); flex-wrap: wrap; }
  .nav { order: 3; flex-basis: 100%; gap: var(--sp-4); }
  .streak-badge { margin-left: auto; }
  .app-main { padding: var(--sp-4); }
  :root { --fs-timer: 4.5rem; }
  .bar-row { grid-template-columns: 1fr auto; }
  .bar-row__track { grid-column: 1 / -1; grid-row: 2; }
  .focus__footer { flex-direction: column; align-items: stretch; }
  .level-line { text-align: left; }
  .level-bar { margin-left: 0; }
}