/* Dehn-Pausen — eigenes Design: Tuerkis + Orange, sportlich-frisch */

:root {
  --turquoise: #06b6d4;
  --turquoise-dark: #0891b2;
  --turquoise-deep: #0e7490;
  --orange: #f97316;
  --orange-dark: #ea580c;

  /* Hell */
  --bg: #f0fbfd;
  --bg-grad-1: #e6f9fc;
  --bg-grad-2: #f0fbfd;
  --surface: #ffffff;
  --surface-2: #f4fafc;
  --border: #d6eef3;
  --text: #0b2b33;
  --text-soft: #4a6b73;
  --text-faint: #7c969d;
  --ring-track: #d8eef3;
  --shadow: 0 8px 24px rgba(6, 100, 120, 0.10);
  --shadow-sm: 0 2px 8px rgba(6, 100, 120, 0.08);
  --focus: #0e7490;
  --danger: #dc2626;
}

[data-theme="dark"] {
  --bg: #03161a;
  --bg-grad-1: #052228;
  --bg-grad-2: #03161a;
  --surface: #0a2229;
  --surface-2: #0e2c34;
  --border: #154750;
  --text: #e8f7fa;
  --text-soft: #a3c5cc;
  --text-faint: #6f969e;
  --ring-track: #154750;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.4);
  --focus: #22d3ee;
  --danger: #f87171;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 100% -10%, rgba(249, 115, 22, 0.08), transparent 60%),
    linear-gradient(160deg, var(--bg-grad-1), var(--bg-grad-2));
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding:
    env(safe-area-inset-top)
    env(safe-area-inset-right)
    env(safe-area-inset-bottom)
    env(safe-area-inset-left);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--turquoise-dark);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 10px 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 6px;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, var(--turquoise), var(--turquoise-deep));
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.4);
  flex: none;
}

.brand-text { min-width: 0; }
.brand-text h1 {
  font-size: 1.3rem;
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.tagline {
  margin: 2px 0 0;
  font-size: 0.78rem;
  color: var(--text-soft);
}

.icon-btn {
  flex: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 0.15s ease, background 0.2s ease;
}
.icon-btn:hover { background: var(--surface-2); }
.icon-btn:active { transform: scale(0.94); }

.theme-icon { width: 22px; height: 22px; display: block; position: relative; }
.theme-icon::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.25);
}
[data-theme="dark"] .theme-icon::before {
  background: transparent;
  box-shadow: inset -6px -6px 0 0 var(--turquoise);
}

/* Main */
.app-main {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 10px 18px 24px;
}

.view { display: none; }
.view.is-active { display: block; animation: fade 0.3s ease; }

@keyframes fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.card-title {
  margin: 0 0 4px;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}
.card-hint {
  margin: 0 0 12px;
  font-size: 0.82rem;
  color: var(--text-soft);
}

/* Hero */
.hero-card {
  background:
    radial-gradient(600px 300px at 110% -30%, rgba(249, 115, 22, 0.18), transparent 60%),
    linear-gradient(150deg, var(--turquoise), var(--turquoise-deep));
  color: #fff;
  border: none;
  box-shadow: var(--shadow);
  text-align: left;
}
.hero-kicker {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.hero-sub {
  margin: 6px 0 16px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.92);
}
.hero-stats {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.stat {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  padding: 10px 16px;
  min-width: 96px;
}
.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 4px;
}

/* Buttons */
.btn {
  font: inherit;
  font-weight: 650;
  border: none;
  border-radius: 14px;
  padding: 12px 18px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  color: var(--text);
  background: var(--surface-2);
  line-height: 1.2;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: #fff;
  box-shadow: 0 6px 16px rgba(249, 115, 22, 0.35);
}
.btn-primary:hover { box-shadow: 0 8px 22px rgba(249, 115, 22, 0.45); }

.hero-card .btn-primary {
  background: #fff;
  color: var(--orange-dark);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--border); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface-2); }

.btn-link {
  background: transparent;
  color: var(--text-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 8px 12px;
  width: 100%;
  margin-top: 4px;
}
.btn-link:hover { color: var(--danger); }

.btn-lg {
  width: 100%;
  padding: 15px 20px;
  font-size: 1.05rem;
  border-radius: 16px;
}

/* Segmented control */
.seg {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.seg-btn {
  flex: 1 1 64px;
  padding: 11px 8px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  transition: all 0.18s ease;
}
.seg-btn:hover { border-color: var(--turquoise); }
.seg-btn.is-active {
  background: linear-gradient(135deg, var(--turquoise), var(--turquoise-deep));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.35);
}

/* Switch */
.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
}
.switch-label { display: block; font-weight: 600; }
.switch-desc {
  display: block;
  font-size: 0.8rem;
  color: var(--text-soft);
  margin-top: 2px;
}
.switch { position: relative; flex: none; }
.switch input {
  position: absolute;
  opacity: 0;
  width: 100%; height: 100%;
  margin: 0; cursor: pointer;
}
.switch-track {
  display: block;
  width: 52px; height: 30px;
  border-radius: 999px;
  background: var(--border);
  position: relative;
  transition: background 0.2s ease;
}
.switch-track::after {
  content: "";
  position: absolute;
  top: 3px; left: 3px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease;
}
.switch input:checked + .switch-track {
  background: linear-gradient(135deg, var(--turquoise), var(--turquoise-deep));
}
.switch input:checked + .switch-track::after { transform: translateX(22px); }
.switch input:focus-visible + .switch-track {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

/* Exercise list */
.ex-list { list-style: none; margin: 0; padding: 0; }
.ex-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.ex-item:last-child { border-bottom: none; }
.ex-dot {
  flex: none;
  width: 38px; height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.95rem;
  color: #fff;
  background: linear-gradient(135deg, var(--turquoise), var(--turquoise-deep));
}
.ex-info { min-width: 0; flex: 1; }
.ex-name {
  display: block;
  font-weight: 650;
  overflow-wrap: break-word;
}
.ex-meta {
  display: block;
  font-size: 0.8rem;
  color: var(--text-soft);
}
.ex-dur {
  flex: none;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--orange-dark);
  background: rgba(249, 115, 22, 0.12);
  padding: 4px 10px;
  border-radius: 999px;
}
[data-theme="dark"] .ex-dur { color: var(--orange); }

/* Run view */
.run-card { text-align: center; }
.run-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.run-progress {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--turquoise-deep);
  background: rgba(6, 182, 212, 0.12);
  padding: 4px 12px;
  border-radius: 999px;
}
[data-theme="dark"] .run-progress { color: var(--turquoise); }
.run-area {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--orange-dark);
  background: rgba(249, 115, 22, 0.12);
  padding: 4px 12px;
  border-radius: 999px;
}
[data-theme="dark"] .run-area { color: var(--orange); }

.run-name {
  margin: 10px 0 16px;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  overflow-wrap: break-word;
}

.timer-wrap {
  position: relative;
  width: 220px;
  max-width: 70vw;
  aspect-ratio: 1;
  margin: 0 auto 18px;
}
.timer-ring {
  width: 100%; height: 100%;
  transform: rotate(-90deg);
}
.ring-bg {
  fill: none;
  stroke: var(--ring-track);
  stroke-width: 12;
}
.ring-fg {
  fill: none;
  stroke: url(#none);
  stroke: var(--turquoise);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 552.92;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 0.3s linear, stroke 0.3s ease;
}
.is-paused .ring-fg { stroke: var(--orange); }
.timer-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.timer-num {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.timer-unit {
  font-size: 0.82rem;
  color: var(--text-soft);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.run-instruction {
  margin: 0 auto 18px;
  max-width: 460px;
  color: var(--text-soft);
  font-size: 0.95rem;
  overflow-wrap: break-word;
}

.run-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.run-controls .btn { flex: 1 1 90px; }

.next-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.next-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}
.next-name { font-weight: 700; overflow-wrap: break-word; }
.next-card.is-last .next-name { color: var(--turquoise-deep); }
[data-theme="dark"] .next-card.is-last .next-name { color: var(--turquoise); }

/* Done view */
.done-card { text-align: center; padding: 30px 22px; }
.done-badge {
  width: 84px; height: 84px;
  border-radius: 50%;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--turquoise), var(--turquoise-deep));
  box-shadow: 0 8px 22px rgba(6, 182, 212, 0.4);
  animation: pop 0.4s ease;
}
@keyframes pop {
  0% { transform: scale(0.5); opacity: 0; }
  70% { transform: scale(1.08); }
  100% { transform: scale(1); opacity: 1; }
}
.done-title { margin: 0 0 6px; font-size: 1.6rem; }
.done-sub { margin: 0 0 8px; color: var(--text-soft); }
.done-stats {
  margin: 0 0 20px;
  font-weight: 700;
  color: var(--orange-dark);
}
[data-theme="dark"] .done-stats { color: var(--orange); }
.done-controls { display: flex; flex-direction: column; gap: 10px; }

/* Footer */
.app-footer {
  text-align: center;
  padding: 10px 18px 18px;
  font-size: 0.75rem;
  color: var(--text-faint);
}

/* Toasts */
.toast-zone {
  position: fixed;
  left: 50%;
  bottom: calc(18px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
  width: min(92vw, 420px);
  pointer-events: none;
}
.toast {
  background: var(--text);
  color: var(--bg);
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  animation: toastIn 0.25s ease;
  text-align: center;
}
.toast.is-out { animation: toastOut 0.3s ease forwards; }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateY(12px); }
}

/* Focus */
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 10px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .ring-fg { transition: none; }
}

/* Larger screens */
@media (min-width: 560px) {
  .done-controls { flex-direction: row; justify-content: center; }
  .done-controls .btn { flex: 0 1 200px; }
}