/* ==========================================================================
   Zeitkapsel — Brief an dein zukünftiges Ich
   Baut auf dem derDVDD-Designsystem auf (site.css lädt davor).
   Nur das, was die Kapsel-Seite zusätzlich braucht.
   Aufbau: 1 Layout · 2 Intro · 3 Kapsel-Karte · 4 Schritte/Fortschritt
           5 Felder · 6 Chips · 7 Umschlag + Siegel · 8 Countdown
           9 Partikel/Motes · 10 Prototyp-Hinweis · 11 Reduced-Motion
   ========================================================================== */

/* ---------- 1 · Layout ------------------------------------------------- */
html, body.zk-body { overflow-x: clip; }   /* Off-canvas-Menü aus site.css darf keine Seiten-Breite erzeugen */
.zk-main { padding: clamp(28px, 6vw, 68px) 0 clamp(60px, 10vw, 120px); }

/* ---------- 2 · Intro ------------------------------------------------- */
.zk-intro { text-align: center; margin-bottom: clamp(28px, 5vw, 48px); }
.zk-intro .eyebrow { justify-content: center; }
.zk-intro h1 { margin: 14px 0 0; }
.zk-intro h1 .hl { color: var(--brand); }
.zk-intro .lead { margin: 18px auto 0; }

/* ---------- 3 · Kapsel-Karte ---------------------------------------- */
.zk-capsule {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
  padding: clamp(22px, 4vw, 40px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(150% 120% at 0% 0%, rgba(22, 217, 137, 0.10), transparent 55%),
    radial-gradient(150% 120% at 100% 100%, rgba(59, 160, 255, 0.10), transparent 55%),
    var(--bg-2);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.zk-capsule::before {   /* farbige Kante oben */
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), var(--blue), var(--brand), transparent);
  background-size: 220% 100%;
  animation: zkShimmer 9s linear infinite;
}
@keyframes zkShimmer { to { background-position: 220% 0; } }

/* ---------- 4 · Fortschritt + Schritte ----------------------------- */
.zk-steps {
  display: flex;
  gap: 6px;
  margin: 4px 0 clamp(22px, 4vw, 32px);
  counter-reset: zkstep;
}
.zk-steps li {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: var(--ink-mute);
  text-align: center;
  position: relative;
}
.zk-steps li::before {   /* Punkt */
  counter-increment: zkstep;
  content: counter(zkstep);
  display: grid;
  place-items: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-mute);
  background: var(--bg-1);
  border: 1px solid var(--line-strong);
  transition: all var(--dur) var(--ease);
}
.zk-steps li::after {    /* Verbindungslinie */
  content: "";
  position: absolute;
  top: 13px;
  left: calc(50% + 18px);
  right: calc(-50% + 18px);
  height: 2px;
  background: var(--line-strong);
}
.zk-steps li:last-child::after { display: none; }

.zk-capsule[data-step="1"] .zk-steps li[data-s="1"],
.zk-capsule[data-step="2"] .zk-steps li[data-s="2"],
.zk-capsule[data-step="3"] .zk-steps li[data-s="3"],
.zk-capsule[data-step="4"] .zk-steps li[data-s="4"] { color: var(--ink); }
.zk-capsule[data-step="1"] .zk-steps li[data-s="1"]::before,
.zk-capsule[data-step="2"] .zk-steps li[data-s="2"]::before,
.zk-capsule[data-step="3"] .zk-steps li[data-s="3"]::before,
.zk-capsule[data-step="4"] .zk-steps li[data-s="4"]::before {
  color: var(--brand-ink);
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: var(--glow-brand);
}
/* erledigte Schritte */
.zk-capsule[data-step="2"] .zk-steps li[data-s="1"]::before,
.zk-capsule[data-step="3"] .zk-steps li[data-s="1"]::before,
.zk-capsule[data-step="3"] .zk-steps li[data-s="2"]::before,
.zk-capsule[data-step="4"] .zk-steps li[data-s="1"]::before,
.zk-capsule[data-step="4"] .zk-steps li[data-s="2"]::before,
.zk-capsule[data-step="4"] .zk-steps li[data-s="3"]::before {
  color: var(--green);
  border-color: var(--green);
  background: rgba(22, 217, 137, 0.12);
}
.zk-capsule[data-step="2"] .zk-steps li[data-s="1"]::after,
.zk-capsule[data-step="3"] .zk-steps li[data-s="1"]::after,
.zk-capsule[data-step="3"] .zk-steps li[data-s="2"]::after,
.zk-capsule[data-step="4"] .zk-steps li[data-s="1"]::after,
.zk-capsule[data-step="4"] .zk-steps li[data-s="2"]::after,
.zk-capsule[data-step="4"] .zk-steps li[data-s="3"]::after { background: var(--green); }

@media (max-width: 460px) {
  .zk-steps li { font-size: 0; gap: 0; }
  .zk-steps li::before { width: 22px; height: 22px; }
  .zk-steps li::after { top: 11px; }
}

/* ---------- Panels + Übergang ------------------------------------- */
.zk-panel { position: relative; }
.zk-panel[hidden] { display: none; }
@media (prefers-reduced-motion: no-preference) {
  .zk-panel:not([hidden]) { animation: zkPanelIn 0.5s var(--ease); }
}
@keyframes zkPanelIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.zk-q {
  font-weight: 700;
  color: #fff;
  font-size: 1.12rem;
  letter-spacing: -0.015em;
  margin-bottom: 16px;
}
.zk-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 26px;
}
.zk-actions-center { justify-content: center; }

/* ---------- 5 · Felder ------------------------------------------- */
.zk-field { display: flex; flex-direction: column; gap: 8px; }
.zk-label { font-size: 0.86rem; font-weight: 600; color: var(--ink); }
.zk-field textarea,
.zk-field input {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-1);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  transition: border-color var(--dur), box-shadow var(--dur);
}
.zk-field textarea { min-height: 180px; resize: vertical; line-height: 1.7; font-family: inherit; }
.zk-field textarea::placeholder,
.zk-field input::placeholder { color: var(--ink-mute); }
.zk-field textarea:focus,
.zk-field input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(255, 200, 46, 0.16);
}
.zk-field input[type="date"] { color-scheme: dark; }

.zk-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.zk-count { font-size: 0.8rem; color: var(--ink-mute); font-variant-numeric: tabular-nums; }
.zk-count.is-near { color: var(--brand); }

.zk-attach {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border-radius: 999px;
  border: 1px dashed var(--line-strong);
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 550;
  transition: border-color var(--dur), color var(--dur), background var(--dur);
}
.zk-attach:hover { border-color: var(--brand); color: var(--ink); background: rgba(255, 200, 46, 0.06); }
.zk-attach svg { width: 16px; height: 16px; }

.zk-photo {
  position: relative;
  margin-top: 14px;
  width: 120px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  animation: zkPanelIn 0.4s var(--ease);
}
.zk-photo img { width: 100%; height: 120px; object-fit: cover; }
.zk-photo button {
  position: absolute;
  top: 4px; right: 4px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(8, 12, 17, 0.82);
  color: #fff;
  font-size: 1rem;
  line-height: 1;
  display: grid;
  place-items: center;
}

.zk-check {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin-top: 16px;
  font-size: 0.84rem;
  color: var(--ink-soft);
}
.zk-check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--brand); flex: none; }
.zk-check a { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; }

.zk-note {
  margin-top: 16px;
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ---------- 6 · Chips (Zeitpunkt-Schnellwahl) -------------------- */
.zk-chips { display: flex; flex-wrap: wrap; gap: 9px; }
.zk-chip {
  padding: 9px 15px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: 0.87rem;
  font-weight: 550;
  transition: all var(--dur) var(--ease);
}
.zk-chip:hover { border-color: var(--ink-mute); color: var(--ink); transform: translateY(-1px); }
.zk-chip.is-active {
  background: var(--brand);
  color: var(--brand-ink);
  border-color: transparent;
  font-weight: 650;
  box-shadow: var(--glow-brand);
}
.zk-or {
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 18px 0;
  position: relative;
}
.zk-or::before, .zk-or::after {
  content: "";
  position: absolute;
  top: 50%;
  width: calc(50% - 32px);
  height: 1px;
  background: var(--line);
}
.zk-or::before { left: 0; }
.zk-or::after { right: 0; }

.zk-when-out {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: linear-gradient(120deg, rgba(22, 217, 137, 0.1), rgba(59, 160, 255, 0.1));
  border: 1px solid var(--line-strong);
  font-size: 0.94rem;
  color: var(--ink);
}
.zk-when-out b { color: var(--brand); }
.zk-when-out[hidden] { display: none; }
.zk-when-date[hidden] { display: none; }

/* ---------- 7 · Umschlag + Siegel ------------------------------- */
.zk-sealed { text-align: center; }
.zk-envelope {
  --env-w: 262px;
  --env-h: 174px;
  position: relative;
  width: var(--env-w);
  height: var(--env-h);
  margin: 10px auto clamp(20px, 4vw, 30px);
  perspective: 1100px;
  filter: drop-shadow(0 22px 30px rgba(0, 0, 0, 0.45));
}
.zk-env-back { display: none; }
.zk-env-letter {   /* dünner Brief, der oben rausschaut */
  position: absolute;
  left: 15%; right: 15%;
  top: 0; height: 40%;
  background: linear-gradient(180deg, #f8f3e7, #ece3cf);
  border-radius: 4px 4px 0 0;
  box-shadow: 0 -4px 14px -6px rgba(0, 0, 0, 0.4);
  transform: translateY(70%);
  z-index: 1;
  opacity: 0;
}
.zk-env-body {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: 12px;
  background: linear-gradient(158deg, #27394b, #131f2b);
  border: 1px solid var(--line-strong);
  overflow: hidden;
}
.zk-env-body::after {   /* dezente Taschen-Nähte unten */
  content: "";
  position: absolute;
  inset: 38% 0 0 0;
  background:
    linear-gradient(42deg, transparent calc(50% - 0.5px), rgba(255, 255, 255, 0.05) 50%, transparent calc(50% + 0.5px)),
    linear-gradient(-42deg, transparent calc(50% - 0.5px), rgba(255, 255, 255, 0.05) 50%, transparent calc(50% + 0.5px));
}
.zk-env-flap {
  position: absolute;
  inset: 0 0 auto 0;
  height: 60%;
  z-index: 3;
  background: linear-gradient(158deg, #32465c, #1c2b39);
  border: 1px solid var(--line-strong);
  border-radius: 12px 12px 0 0;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: top;
  transform: rotateX(-168deg);
  transition: transform 0.95s var(--ease);
  backface-visibility: hidden;
}
.zk-seal {
  position: absolute;
  left: 50%; top: 46%;
  width: 58px; height: 58px;
  margin: -29px 0 0 -29px;
  z-index: 4;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, #ffd970, var(--brand-deep) 72%);
  box-shadow: 0 8px 20px -6px rgba(240, 165, 0, 0.55), inset 0 0 0 2px rgba(255, 255, 255, 0.28), inset 0 -6px 12px rgba(120, 70, 0, 0.35);
  transform: scale(0);
  opacity: 0;
}
.zk-seal svg { width: 29px; height: 29px; color: var(--brand-ink); }

/* Ablauf beim Versiegeln */
.zk-capsule[data-step="4"] .zk-env-letter { animation: zkLetterIn 0.6s var(--ease) 0.1s both; }
.zk-capsule[data-step="4"] .zk-env-flap  { transform: rotateX(0deg); transition-delay: 0.55s; }
.zk-capsule[data-step="4"] .zk-seal      { animation: zkSealIn 0.6s var(--ease) 1.5s both; }
@keyframes zkLetterIn {
  from { transform: translateY(70%); opacity: 0; }
  to   { transform: translateY(-38%); opacity: 1; }
}
@keyframes zkSealIn {
  0%   { transform: scale(0) rotate(-40deg); opacity: 0; }
  60%  { transform: scale(1.25) rotate(6deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

.zk-sparks {
  position: absolute;
  left: 50%; top: 46%;
  z-index: 6;
  pointer-events: none;
}
.zk-spark {
  position: absolute;
  width: 6px; height: 6px;
  margin: -3px;
  border-radius: 50%;
  background: var(--brand);
  opacity: 0;
  animation: zkSpark 0.7s ease-out forwards;
}
@keyframes zkSpark {
  0%   { opacity: 1; transform: translate(0, 0) scale(1); }
  100% { opacity: 0; transform: translate(var(--tx), var(--ty)) scale(0.2); }
}

.zk-sealed-title { font-size: clamp(1.6rem, 1.2rem + 2vw, 2.2rem); }
.zk-sealed-sub { margin-top: 10px; color: var(--ink-soft); }
.zk-sealed-sub b { color: var(--ink); }

/* ---------- 8 · Countdown -------------------------------------- */
.zk-countdown {
  display: flex;
  justify-content: center;
  gap: clamp(10px, 3vw, 22px);
  margin: clamp(20px, 4vw, 30px) 0 4px;
}
.zk-countdown > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 58px;
}
.zk-countdown b {
  font-size: clamp(1.6rem, 1.2rem + 2vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  line-height: 1;
}
.zk-countdown span {
  margin-top: 6px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.zk-countdown b.tick { animation: zkTick 0.4s var(--ease); }
@keyframes zkTick {
  0%   { transform: translateY(-40%); opacity: 0; color: var(--brand); }
  100% { transform: translateY(0); opacity: 1; }
}

.zk-confirm-note {
  margin-top: 20px;
  font-size: 0.86rem;
  color: var(--ink-soft);
}
.zk-confirm-note b { color: var(--brand); }

/* ---------- 9 · Motes (Schwebeteilchen beim Schreiben) --------- */
.zk-motes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.zk-mote {
  position: absolute;
  bottom: -8px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 200, 46, 0.9), transparent 70%);
  opacity: 0;
  animation: zkRise linear infinite;
}
@keyframes zkRise {
  0%   { opacity: 0; transform: translateY(0) translateX(0); }
  10%  { opacity: 0.8; }
  90%  { opacity: 0.5; }
  100% { opacity: 0; transform: translateY(-260px) translateX(var(--mx, 12px)); }
}
.zk-panel > *:not(.zk-motes) { position: relative; z-index: 1; }

/* ---------- 10 · Prototyp-Hinweis ----------------------------- */
.zk-proto-note {
  max-width: 640px;
  margin: 22px auto 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--ink-mute);
}

/* ---------- 11 · Reduced Motion ----------------------------- */
@media (prefers-reduced-motion: reduce) {
  .zk-capsule::before { animation: none; }
  .zk-mote { display: none; }
  .zk-spark { display: none; }
  .zk-capsule[data-step="4"] .zk-env-letter,
  .zk-capsule[data-step="4"] .zk-seal { animation: none; opacity: 1; transform: none; }
  .zk-capsule[data-step="4"] .zk-env-flap { transition: none; }
  .zk-countdown b.tick { animation: none; }
}

/* ---------- 12 · Vorschau-Banner (nur solange [data-preview]) --- */
.zk-preview-banner {
  max-width: 640px;
  margin: 0 auto clamp(16px, 3vw, 22px);
  padding: 13px 17px;
  border-radius: var(--radius-sm);
  background: linear-gradient(120deg, rgba(255, 200, 46, 0.12), rgba(255, 200, 46, 0.05));
  border: 1px solid rgba(255, 200, 46, 0.35);
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.6;
}
.zk-preview-banner strong { color: var(--brand); font-weight: 700; }
.zk-proto-note a { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; }

.zk-error{margin:10px 0 0;padding:10px 14px;border-left:3px solid var(--danger,#ff6b6b);background:var(--bg-1,#0c1620);border-radius:0 11px 11px 0;font-size:.9rem;color:var(--ink,#e9f0f2);}
.zk-error[hidden]{display:none;}