:root {
  --color-primary: #063d70;
  --color-primary-dark: #042f57;
  --color-accent: #cc5123;
  --color-accent-light: #ffb58f;
  --color-background: #fff8ef;
  --color-panel: #b8dbf5;
  --color-panel-border: #0b4b7e;
  --color-success: #168348;
  --color-success-light: #daf2df;
  --color-text: #20232c;
  --color-muted: #d0ddd5;
  --color-white: #fff;
  --radius: 1.35rem;
  --shadow: 0 0.3rem 0 #0b4b7e;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--color-text);
  background: var(--color-background);
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 0; background: var(--color-background); }
button { font: inherit; }
button:focus-visible, [tabindex]:focus-visible { outline: 0.25rem solid #f1ae00; outline-offset: 0.2rem; }

.app-shell { width: min(100%, 72rem); margin: 0 auto; padding: clamp(1rem, 4vw, 3rem); }
.eyebrow { margin: 0 0 0.55rem; color: var(--color-accent); font-size: clamp(1rem, 2vw, 1.25rem); font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0; font-size: clamp(2rem, 5vw, 3.15rem); line-height: 1.08; }
h2 { margin: 0; font-size: clamp(1.55rem, 4vw, 2.25rem); line-height: 1.15; }
h3 { margin: 0; font-size: clamp(1.3rem, 3vw, 1.7rem); }
.lesson-subtitle { margin: 1rem 0 1.6rem; font-size: clamp(1.1rem, 2.5vw, 1.35rem); font-weight: 700; }

.lesson-card, .practice-panel, .completion-card { border: .14rem solid var(--color-panel-border); border-radius: var(--radius); background: var(--color-white); padding: clamp(1rem, 3vw, 1.8rem); }
.lesson-card { display: grid; gap: 1rem; }
.lesson-card__heading { display: flex; align-items: center; gap: 1rem; }
.lesson-number { display: grid; place-items: center; flex: 0 0 auto; width: 4.25rem; height: 4.25rem; border-radius: 50%; background: var(--color-primary); color: white; font-size: 1.7rem; font-weight: 800; }
.lesson-card__heading p { margin: .35rem 0 0; font-size: 1.1rem; font-weight: 700; }

.button { min-height: 3.6rem; padding: .8rem 1.3rem; border: .15rem solid var(--color-primary); border-radius: 1.1rem; cursor: pointer; font-size: clamp(1.1rem, 2.5vw, 1.35rem); font-weight: 800; line-height: 1.15; }
.button:hover { filter: brightness(.95); }
.button:active { transform: translateY(.1rem); }
.button:disabled { cursor: default; opacity: .65; }
.button--primary { background: var(--color-primary); color: white; }
.button--secondary { background: white; color: var(--color-primary); }
.button--accent { border-color: var(--color-accent); background: var(--color-accent); color: white; }
.button--wide { width: 100%; }

.lesson-header { display: flex; align-items: start; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.lesson-header .button { flex: 0 0 auto; }
.practice-panel { background: var(--color-panel); }
.progress { border: .13rem solid #789b89; border-radius: 1.1rem; background: white; padding: .85rem; }
.progress__top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: var(--color-primary); font-weight: 800; font-size: clamp(1.1rem, 3vw, 1.4rem); }
.progress__segments { display: flex; gap: .25rem; margin-top: .7rem; }
.progress__segment { height: .5rem; flex: 1; border-radius: 99px; background: var(--color-muted); }
.progress__segment--active { background: var(--color-primary); }
.gesture-icon { display: grid; place-items: center; min-width: 3rem; min-height: 2.5rem; border-radius: .9rem; background: var(--color-panel); }
.task-card { margin-top: .85rem; border-radius: var(--radius); background: white; padding: clamp(1.25rem, 4vw, 2rem); text-align: center; }
.task-card__instruction { margin: .65rem auto 1.5rem; font-size: clamp(1.1rem, 2.8vw, 1.35rem); font-weight: 650; max-width: 44rem; }
.task-host { display: grid; place-items: center; min-height: 16rem; padding: 1rem; }
.tip { margin: 1rem auto 0; font-size: 1.05rem; font-weight: 700; max-width: 46rem; }
.button-row { display: grid; gap: .75rem; margin-top: .85rem; }

.tap-target { width: min(100%, 14rem); min-height: 10rem; border: .28rem solid var(--color-accent-light); border-radius: 1.8rem; background: var(--color-accent); color: white; font-size: 1.45rem; font-weight: 800; }
.tap-target__icon { display: block; margin-bottom: .35rem; font-size: 2.25rem; }
.tap-attention { animation: tap-attention 2.8s ease-in-out infinite; }
@keyframes tap-attention { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.035); } }
.gesture-target, .pinch-target { display: grid; place-items: center; gap: .55rem; width: min(100%, 16rem); min-height: 13rem; padding: 1rem; border: .3rem solid var(--color-panel); border-radius: 1.8rem; background: var(--color-primary); color: white; font-size: 1.35rem; text-align: center; touch-action: none; }
.gesture-target--accent { border-color: var(--color-accent-light); background: var(--color-accent); }
.gesture-target span, .pinch-target span { font-size: 2rem; }
.gesture-target small, .pinch-target small { padding: .2rem .6rem; border-radius: 99px; background: var(--color-primary-dark); font-weight: 800; }
.pinch-target em { font-size: .82rem; font-style: normal; }
.hold-meter { width: 100%; height: .7rem; border-radius: 99px; background: #8aa8c2; overflow: hidden; }
.hold-meter::after { content: ''; display: block; width: 0; height: 100%; background: var(--color-success); }
.is-holding .hold-meter::after { animation: hold-fill .8s linear forwards; }
@keyframes hold-fill { to { width: 100%; } }
.swipe-zone { position: relative; width: min(100%, 34rem); height: 7rem; border-radius: 1rem; background: #d9e9f5; touch-action: none; }
.swipe-zone--vertical { width: 12rem; height: 16rem; flex-direction: column-reverse; }
.swipe-zone .swipe-handle { position: absolute; top: 50%; left: 50%; width: 4.5rem; height: 4.5rem; transform: translate(-50%, -50%); border: .25rem solid var(--color-accent-light); border-radius: 50%; background: var(--color-primary); color: white; font-size: 1.9rem; touch-action: none; }
.swipe-zone--vertical .swipe-handle { left: 50%; top: 50%; }
.swipe-start, .swipe-end { position: absolute; color: var(--color-primary); font-weight: 800; }
.swipe-start { left: .6rem; top: .6rem; }.swipe-end { right: .6rem; bottom: .6rem; }
.swipe-zone--vertical .swipe-start { left: .6rem; top: .6rem; }.swipe-zone--vertical .swipe-end { right: .6rem; bottom: .6rem; }
.pinch-target { cursor: default; user-select: none; }

.slide-area { width: min(100%, 36rem); padding: 3.4rem 0; touch-action: none; user-select: none; }
.slide-track { position: relative; height: 4rem; border-radius: 99px; background: #d9e9f5; box-shadow: inset 0 0 0 .2rem var(--color-panel-border); }
.slide-track::after { content: 'Bis hier ziehen'; position: absolute; top: -1.8rem; right: 0; color: var(--color-primary); font-size: .95rem; font-weight: 800; }
.slide-handle { position: absolute; top: 50%; left: 0; display: grid; place-items: center; width: 4rem; height: 4rem; transform: translateY(-50%); border: .25rem solid var(--color-accent-light); border-radius: 50%; background: var(--color-primary); color: white; font-size: 1.55rem; font-weight: 800; cursor: grab; touch-action: none; }
.slide-handle:active { cursor: grabbing; }
.success { display: grid; gap: 1rem; justify-items: center; }
.success__badge { display: grid; place-items: center; width: 9rem; height: 9rem; border-radius: 2rem; background: var(--color-success-light); color: var(--color-success); font-weight: 800; font-size: 1.25rem; }
.success__check { font-size: 3rem; line-height: .85; }
.success__message { width: 100%; margin: 0; padding: 1rem; border-radius: 1rem; background: var(--color-success-light); color: #164b2e; font-size: 1.15rem; font-weight: 800; }
.completion-card { text-align: center; }
.completion-card p { font-size: 1.2rem; font-weight: 650; }

@media (max-width: 34rem) {
  .app-shell { padding: 1rem .75rem; }
  .lesson-header { display: grid; }
  .lesson-header .button { width: 100%; }
  .task-card { padding: 1.2rem .75rem; }
  .task-host { min-height: 13rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}