/* ============================================================================
   Design im ContentForge-Stil: tiefes Schwarz, neon-limettengrüner Akzent,
   Inter-Display-Font (uppercase, fett), komplett scharfe Ecken, Glow-Effekte.
   ============================================================================ */
:root {
  /* Hintergründe */
  --bg-base: #000000;
  --bg-surface: #0a0a0a;
  --bg-elevated: #141414;
  --bg-hover: #1a1a1a;
  /* Rahmen */
  --border: #1f1f1f;
  --border-strong: #2a2a2a;
  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #a8a8a8;
  --text-muted: #6b6b6b;
  /* Akzent (Neon-Limette) */
  --accent: #bfff00;
  --accent-hover: #a8e600;
  --accent-soft: rgba(191, 255, 0, 0.1);
  --accent-glow: rgba(191, 255, 0, 0.25);
  /* Status */
  --danger: #ff3b3b;
  --warning: #ffb800;
  /* Schrift */
  --font-display: "Inter Display", "Inter", system-ui, -apple-system, sans-serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  /* Effekte */
  --glow: 0 0 24px rgba(191, 255, 0, 0.3);
  --glow-sm: 0 0 12px rgba(191, 255, 0, 0.2);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-image: radial-gradient(900px 400px at 50% -120px, rgba(191, 255, 0, 0.06), transparent 70%);
  background-attachment: fixed;
}

::selection { background: var(--accent); color: #000000; }

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 28px 18px 64px;
}

/* Signature-Streifen (Limette / Weiß / Grau) */
.m-stripe {
  height: 3px;
  width: 100%;
  background: linear-gradient(
    90deg,
    var(--accent) 0%, var(--accent) 33%,
    #ffffff 33%, #ffffff 66%,
    var(--border-strong) 66%, var(--border-strong) 100%
  );
}

/* ── Kopfbereich ─────────────────────────────────────────────────────── */
.page-head { text-align: center; margin: 30px 0 34px; }
.leaf {
  font-size: 46px;
  line-height: 1;
  filter: drop-shadow(0 0 14px var(--accent-glow));
}
h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 14px 0 10px;
  color: var(--text-primary);
}
.intro { color: var(--text-secondary); max-width: 560px; margin: 0 auto; }

/* ── Tageskarten ─────────────────────────────────────────────────────── */
.day {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 18px 20px;
  margin-bottom: 18px;
}
.day-title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 1.15rem;
  color: var(--text-primary);
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  position: relative;
}
/* Gradient-Divider unter dem Tagestitel */
.day-title::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent) 30%, transparent 100%);
}
.day-title .count {
  font-family: var(--font-sans);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-left: auto;
}

.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(155px, 1fr)); gap: 10px; }

/* freie Slots */
.slot {
  border: 1px solid var(--border-strong);
  border-radius: 0;
  padding: 13px 10px;
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--bg-elevated);
  color: var(--text-primary);
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease, transform .06s ease;
}
.slot:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  box-shadow: var(--glow-sm);
  transform: translateY(-1px);
}
.slot:active { transform: translateY(0); }
.slot .slot-state {
  display: block;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 5px;
}

/* belegte Slots */
.slot.booked {
  background: var(--bg-surface);
  color: var(--text-muted);
  border-color: var(--border);
  cursor: not-allowed;
  box-shadow: none;
}
.slot.booked:hover { transform: none; box-shadow: none; background: var(--bg-surface); border-color: var(--border); }
.slot.booked .slot-state { color: var(--text-muted); }
.slot.booked .booker { font-size: .7rem; font-weight: 600; color: var(--text-secondary); margin-top: 4px; display: block; }

/* ── Status-Banner ───────────────────────────────────────────────────── */
.status {
  padding: 15px 18px;
  border-radius: 0;
  margin-bottom: 22px;
  font-weight: 600;
  text-align: center;
  border: 1px solid;
}
.status.success { background: var(--accent-soft); color: var(--accent); border-color: rgba(191, 255, 0, 0.4); box-shadow: var(--glow-sm); }
.status.error { background: rgba(255, 59, 59, 0.1); color: var(--danger); border-color: rgba(255, 59, 59, 0.4); }

.loading { text-align: center; color: var(--text-muted); }
.page-foot { text-align: center; color: var(--text-muted); font-size: .82rem; margin-top: 34px; }

/* ── Modal ───────────────────────────────────────────────────────────── */
.overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 16px; z-index: 50;
}
.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 0;
  padding: 0 26px 26px;
  width: 100%; max-width: 430px;
  position: relative;
  box-shadow: 0 0 0 1px rgba(191, 255, 0, 0.08), 0 20px 60px rgba(0, 0, 0, 0.8);
  overflow: hidden;
}
.modal > .m-stripe { margin: 0 -26px 22px; width: auto; }
.modal h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 6px;
  color: var(--text-primary);
  font-size: 1.4rem;
}
.modal-slot { color: var(--accent); margin: 0 0 20px; font-weight: 600; }
.modal-close {
  position: absolute; top: 14px; right: 16px;
  background: none; border: none; font-size: 1.8rem; line-height: 1;
  color: var(--text-muted); cursor: pointer; transition: color .15s ease; z-index: 1;
}
.modal-close:hover { color: var(--text-primary); }
.modal label {
  display: block;
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--text-secondary);
}
.req { color: var(--accent); }
.modal input {
  width: 100%; margin-top: 7px;
  padding: 11px 13px;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 0;
  font-size: 1rem; font-family: inherit;
  color: var(--text-primary);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.modal input::placeholder { color: var(--text-muted); }
.modal input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.hint { font-size: .8rem; color: var(--text-muted); margin: -2px 0 16px; text-transform: none; letter-spacing: 0; }
.modal-error {
  background: rgba(255, 59, 59, 0.1); color: var(--danger);
  border: 1px solid rgba(255, 59, 59, 0.4);
  padding: 11px 13px; border-radius: 0; font-size: .88rem; margin-bottom: 16px;
}

/* ── Primär-Button ───────────────────────────────────────────────────── */
.btn-primary {
  width: 100%; padding: 14px;
  background: var(--accent); color: #000000;
  border: none; border-radius: 0;
  font-family: var(--font-sans);
  font-size: .82rem; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase;
  cursor: pointer;
  transition: filter .15s ease, box-shadow .15s ease;
}
.btn-primary:hover { filter: brightness(0.92); box-shadow: var(--glow); }
.btn-primary:disabled { opacity: .5; cursor: progress; box-shadow: none; filter: none; }

/* ── Admin ───────────────────────────────────────────────────────────── */
.admin-bar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  background: var(--bg-surface); border: 1px solid var(--border); border-radius: 0;
  padding: 16px 18px; margin-bottom: 24px;
}
.admin-bar input {
  padding: 10px 12px; background: var(--bg-base);
  border: 1px solid var(--border-strong); border-radius: 0;
  font-size: .95rem; color: var(--text-primary);
}
.admin-bar input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.admin-bar .btn-primary { width: auto; padding: 10px 20px; }
.admin-bar .spacer { flex: 1; }
.admin-stats { font-size: .72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-secondary); }
.btn-cancel {
  background: none; border: 1px solid rgba(255, 59, 59, 0.5); color: var(--danger);
  border-radius: 0; padding: 5px 10px; font-size: .66rem;
  letter-spacing: 0.06em; text-transform: uppercase; cursor: pointer; margin-top: 8px;
  transition: background .15s ease, color .15s ease;
}
.btn-cancel:hover { background: var(--danger); color: #fff; }
.slot.admin-booked {
  background: var(--bg-elevated);
  border-color: var(--border-strong);
  border-left: 3px solid var(--accent);
  color: var(--text-primary);
  cursor: default;
  text-align: left;
}
.slot.admin-booked:hover { transform: none; box-shadow: none; }
.slot.admin-booked .booker { display: block; margin-top: 6px; font-weight: 600; font-size: .8rem; }
.contact { font-size: .7rem; color: var(--text-muted); display: block; margin-top: 3px; word-break: break-word; }