/* Seidenpfote — Ayrans Trainingstagebuch
   Mobile-first, vanilla CSS, keine Frameworks. */

:root {
  --bg: #f7f2ea;
  --surface: #ffffff;
  --surface-alt: #fbf7f0;
  --text: #2b2620;
  --text-muted: #837a6c;
  --border: #e7ddc9;

  --accent: #c17f3f;
  --accent-dark: #a5672f;
  --accent-soft: #f1ddc0;

  --success: #4c8c5c;
  --success-soft: #dcefdf;
  --warning: #d99a3d;
  --warning-soft: #fbe8c9;
  --danger: #c1543f;
  --danger-soft: #f8ddd6;
  --neutral-badge: #6b8fa3;
  --neutral-badge-soft: #dbe8ee;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow-sm: 0 1px 3px rgba(43, 38, 32, 0.08), 0 1px 2px rgba(43, 38, 32, 0.06);
  --shadow-md: 0 10px 30px rgba(43, 38, 32, 0.14);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 120ms;
  --dur-base: 220ms;
  --dur-sheet: 320ms;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

h1, h2, h3 {
  margin: 0 0 4px;
  font-weight: 700;
}

h1 {
  font-size: 1.9rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.3rem;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.05rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 8px;
}

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

button {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input, textarea, select {
  font: inherit;
  color: inherit;
}

/* ---------- Layout / App-Shell ---------- */

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(env(safe-area-inset-top) + 14px) 16px 14px;
  background: rgba(247, 242, 234, 0.82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}

.topbar-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topbar .icon-btn {
  flex-shrink: 0;
}

.view {
  flex: 1;
  padding: 16px 16px 100px;
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
  opacity: 0;
}

.view.view-enter {
  animation: viewEnter var(--dur-base) var(--ease-out) both;
}

@keyframes viewEnter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  display: flex;
  justify-content: space-around;
  padding: 8px 8px calc(env(safe-area-inset-bottom) + 8px);
  background: rgba(247, 242, 234, 0.86);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid var(--border);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: color var(--dur-fast) ease-out, transform var(--dur-fast) ease-out;
  flex: 1;
  max-width: 96px;
}

.nav-item:active {
  transform: scale(0.94);
}

.nav-item.active {
  color: var(--accent-dark);
}

.nav-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.nav-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

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

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--text);
  font-size: 1.1rem;
  transition: transform var(--dur-fast) ease-out, background var(--dur-fast) ease-out;
}

.icon-btn svg {
  display: block;
}

.icon-btn:active {
  transform: scale(0.9);
  background: rgba(43, 38, 32, 0.06);
}

.icon-btn.small {
  width: 32px;
  height: 32px;
  font-size: 0.95rem;
}

.icon-btn.danger {
  color: var(--danger);
}

.icon-btn:disabled {
  opacity: 0.3;
  pointer-events: none;
}

.primary-btn {
  display: block;
  width: 100%;
  padding: 13px 20px;
  margin-top: 16px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-fast) ease-out, background var(--dur-fast) ease-out;
}

.primary-btn:active {
  transform: scale(0.97);
  background: var(--accent-dark);
}

.secondary-btn {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-weight: 600;
  transition: transform var(--dur-fast) ease-out, border-color var(--dur-fast) ease-out;
}

.secondary-btn:active {
  transform: scale(0.96);
}

.secondary-btn.small {
  padding: 7px 14px;
  font-size: 0.85rem;
}

.fab {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: calc(env(safe-area-inset-bottom) + 76px);
  max-width: 528px;
  margin: 0 auto;
  padding: 14px 20px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  text-align: center;
  z-index: 5;
  transition: transform var(--dur-fast) ease-out;
}

.fab:active {
  transform: scale(0.97);
}

/* ---------- Forms ---------- */

form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 14px;
}

form input[type="text"],
form input[type="search"],
form input[type="password"],
form input[type="date"],
form textarea,
form select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 11px 14px;
  background: var(--surface-alt);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: border-color var(--dur-fast) ease-out, box-shadow var(--dur-fast) ease-out;
}

form input:focus,
form textarea:focus,
form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

form textarea {
  min-height: 90px;
  resize: vertical;
  font-family: inherit;
}

.field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 4px;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.checkbox-row input {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

.checkbox-row .muted {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* ---------- Login ---------- */

.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 36px 28px;
  text-align: center;
}

.login-emblem {
  font-size: 2.6rem;
  margin-bottom: 8px;
}

.login-subtitle {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.login-card form {
  text-align: left;
}

.login-card input {
  display: block;
  width: 100%;
  padding: 13px 16px;
  background: var(--surface-alt);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 1rem;
}

.login-card input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.login-error {
  color: var(--danger);
  font-size: 0.85rem;
  text-align: center;
  margin: 12px 0 0;
}

/* ---------- Kalender ---------- */

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.calendar-header h2 {
  text-transform: capitalize;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.weekday-row {
  margin-bottom: 6px;
}

.weekday-label {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.day-cell {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  transition: transform var(--dur-fast) ease-out, background var(--dur-fast) ease-out;
}

.day-cell:not(.empty):active {
  transform: scale(0.93);
  background: var(--surface-alt);
}

.day-cell.empty {
  background: transparent;
}

.day-cell.is-today {
  border-color: var(--accent);
}

.day-number {
  font-size: 0.9rem;
  font-weight: 600;
}

.day-badge {
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.day-badge.complete {
  background: var(--success-soft);
  color: var(--success);
}

.day-badge.pending {
  background: var(--warning-soft);
  color: var(--warning);
}

.day-badge.neutral {
  background: var(--neutral-badge-soft);
  color: var(--neutral-badge);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.legend-dot.complete { background: var(--success); }
.legend-dot.pending { background: var(--warning); }
.legend-dot.neutral { background: var(--neutral-badge); }

/* ---------- Tag-Ansicht ---------- */

.day-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
}

.day-header h2 {
  text-transform: capitalize;
}

.event-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 16px;
  margin-bottom: 14px;
}

.event-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.event-title {
  flex: 1;
}

.reorder-controls {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.reorder-controls .icon-btn {
  width: 26px;
  height: 22px;
  font-size: 0.85rem;
}

.tracking-list-label {
  margin: 10px 0 2px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tracking-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
}

.tracking-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  transition: opacity var(--dur-base) ease-out;
}

.tracking-item:last-child {
  border-bottom: none;
}

.tracking-dot {
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: 7px;
  background: var(--success);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.tracking-label {
  flex: 1;
}

.add-todo-form {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.add-todo-form input {
  flex: 1;
  padding: 9px 12px;
  background: var(--surface-alt);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
}

.add-todo-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.import-exercises-btn {
  display: block;
  width: 100%;
  margin-top: 8px;
}

.event-note {
  display: block;
  width: 100%;
  margin-top: 12px;
  padding: 10px 12px;
  min-height: 60px;
  background: var(--surface-alt);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  resize: vertical;
}

.event-note:focus {
  outline: none;
  border-color: var(--accent);
}

.empty-hint {
  color: var(--text-muted);
  text-align: center;
  padding: 32px 16px;
}

/* ---------- Kurse & Übungen ---------- */

.course-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 96px;
}

.course-card {
  display: block;
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 16px;
  transition: transform var(--dur-fast) ease-out;
}

.course-card:active {
  transform: scale(0.98);
}

.course-card-meta {
  margin: 4px 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.course-description {
  color: var(--text-muted);
  margin: -6px 0 16px;
}

.muted {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.78rem;
  text-transform: none;
  letter-spacing: normal;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.stat-tile {
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.stat-label {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-weight: 600;
}

.exercise-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
}

.exercise-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.exercise-item:last-child {
  border-bottom: none;
}

.exercise-item-label {
  flex: 1;
}

.exercise-tracked-count {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-dark);
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.todo-editor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.imported-tag {
  font-size: 0.9rem;
  flex-shrink: 0;
}

.exercise-picker {
  background: var(--surface-alt);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 14px;
}

.exercise-picker-course h4 {
  margin: 10px 0 4px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.exercise-picker-course:first-child h4 {
  margin-top: 0;
}

.exercise-picker .checkbox-row {
  padding: 6px 2px;
}

.primary-btn.small {
  padding: 9px 16px;
  margin-top: 8px;
  font-size: 0.88rem;
}

.danger-btn {
  color: var(--danger);
  border-color: var(--danger-soft);
  margin-top: 12px;
  width: 100%;
}

/* ---------- Vorlagen ---------- */

.section-header {
  margin-bottom: 12px;
}

.template-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.template-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 14px 16px;
}

.template-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.template-card-header h3 {
  flex: 1;
  margin: 0;
}

.template-card-actions {
  display: flex;
  gap: 2px;
}

.template-todo-count {
  margin: 6px 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.archived-section {
  margin-top: 18px;
}

.archived-section summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 0;
}

.todo-editor {
  margin-bottom: 14px;
}

.todo-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.todo-row input {
  flex: 1;
  padding: 9px 12px;
  background: var(--surface-alt);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
}

.todo-row input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ---------- Wiki ---------- */

.wiki-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.wiki-filters input {
  flex: 1;
  padding: 10px 14px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
}

.wiki-filters select {
  padding: 10px 12px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  max-width: 42%;
}

.wiki-filters input:focus,
.wiki-filters select:focus {
  outline: none;
  border-color: var(--accent);
}

.wiki-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.note-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 14px 16px;
  transition: transform var(--dur-fast) ease-out;
}

.note-card:active {
  transform: scale(0.98);
}

.note-card-header {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.note-card-header h3 {
  flex: 1;
  margin: 0;
}

.note-tag {
  display: inline-block;
  margin-top: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 700;
}

.note-preview {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.note-source {
  margin: 6px 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ---------- Sheet (Bottom Modal) ---------- */

.sheet-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: rgba(43, 38, 32, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-sheet) var(--ease-out);
}

.sheet-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  max-width: 560px;
  margin: 0 auto;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 24px 20px calc(env(safe-area-inset-bottom) + 24px);
  box-shadow: var(--shadow-md);
  transform: translateY(100%);
  transition: transform var(--dur-sheet) var(--ease-out);
}

.sheet-overlay.open .sheet {
  transform: translateY(0);
}

.sheet-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.sheet-tab {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface-alt);
  border: 1.5px solid var(--border);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: background var(--dur-fast) ease-out, color var(--dur-fast) ease-out;
}

.sheet-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.template-pick-list {
  list-style: none;
  margin: 0 0 4px;
  padding: 0;
  max-height: 40vh;
  overflow-y: auto;
}

.hint {
  color: var(--text-muted);
}

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + 84px);
  transform: translate(-50%, 10px);
  background: var(--text);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.86rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  z-index: 30;
  transition: opacity var(--dur-base) ease-out, transform var(--dur-base) ease-out;
  max-width: 85vw;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.error-box {
  background: var(--danger-soft);
  color: var(--danger);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

/* ---------- Reduced motion / transparency / contrast ---------- */

@media (prefers-reduced-motion: reduce) {
  .view.view-enter {
    animation: none;
    opacity: 1;
  }
  .sheet-overlay,
  .sheet,
  .day-cell,
  .nav-item,
  .icon-btn,
  .primary-btn,
  .secondary-btn,
  .fab,
  .note-card,
  .course-card,
  .tracking-item {
    transition-duration: 60ms !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .topbar,
  .bottom-nav {
    background: var(--bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .sheet-overlay {
    background: rgba(43, 38, 32, 0.6);
  }
}

@media (prefers-contrast: more) {
  .event-card,
  .template-card,
  .note-card,
  .day-cell,
  .course-card,
  .exercise-picker,
  .stat-tile,
  .sheet {
    border: 1.5px solid var(--text);
  }
}