/* src/main/resources/static/css/app.css
   Global App Styles
   - Design Tokens
   - Layout primitives
   - Reusable components
   - KEINE trainingsspezifische Logik mehr
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #0f172a;
  --bg-alt: #131c31;
  --card: #16223b;
  --card-strong: #1d2a4a;
  --border: #223354;
  --accent: #5eead4;
  --accent-strong: #2dd4bf;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --danger: #f87171;
  --warn: #fbbf24;
  --success: #22c55e;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  --radius: 14px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: radial-gradient(
          120% 90% at 50% 0%,
          rgba(45, 212, 191, 0.08),
          transparent 60%
  ),
  var(--bg);
  color: var(--text);
}

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

img {
  max-width: 100%;
  display: block;
}

/* ===== App Shell ===== */

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content {
  flex: 1;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 16px 32px;
  display: grid;
  gap: 18px;
}

/* ===== Brand ===== */

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.brand__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 18px rgba(94, 234, 212, 0.6);
}

/* ===== Hero ===== */

.hero {
  background: linear-gradient(
          135deg,
          rgba(94, 234, 212, 0.12),
          rgba(45, 212, 191, 0.08)
  ),
  var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0 0 6px;
  font-size: 24px;
}

.hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

/* ===== Grid & Cards ===== */

.grid {
  display: grid;
  gap: 16px;
}

.grid--cols {
  grid-template-columns: 1fr;
}

@media (min-width: 880px) {
  .grid--cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 16px;
  box-shadow: var(--shadow);
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.card__title {
  margin: 0;
  font-size: 18px;
}

/* ===== Typography ===== */

.muted { color: var(--muted); }
.note {
  font-size: 13px;
  color: var(--muted);
}

/* ===== Lists & Items ===== */

.list {
  display: grid;
  gap: 10px;
}

.item {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-alt);
}

.item__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

/* ===== Buttons ===== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: linear-gradient(
          135deg,
          rgba(94, 234, 212, 0.16),
          rgba(45, 212, 191, 0.18)
  );
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(94, 234, 212, 0.2);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--muted);
}

.btn--danger {
  border-color: rgba(248, 113, 113, 0.6);
  color: var(--danger);
}

/* ===== Inputs ===== */

.input-row {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

@media (min-width: 620px) {
  .input-row--split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  color: var(--muted);
  font-size: 13px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text);
  font-size: 14px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 1px solid var(--accent);
  box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.14);
}

/* ===== Utility ===== */

.divider {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}

.empty {
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border);
  color: var(--muted);
  text-align: center;
}

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

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  font-size: 13px;
  transition: all 0.18s ease;
}

.pill--ghost{
  background: transparent;
  border-color: var(--border);
  color: var(--muted);
}

.pill--accent {
  background: rgba(94, 234, 212, 0.14);
  border-color: rgba(94, 234, 212, 0.4);
  color: var(--accent);
}

/* ===== Toast ===== */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  padding: 14px 16px;
  background: var(--card-strong);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  display: none;
  min-width: 260px;
  text-align: center;
  z-index: 20;
}

.toast--show {
  display: block;
  animation: toast 0.22s ease-out;
}

@keyframes toast {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

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

footer {
  margin-top: auto;
  padding: 16px;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}

#head-section{
  margin-bottom: 1vw;
}