/* ===== واجهة تجربة "الرحلة إلينا" — mobile first ===== */
:root {
  --ivory: #f6efe3;
  --champagne: #e6cfa6;
  --sage: #93b39b;
  --rose: #d7a7a2;
  --gold: #d8a950;
  --ink: #2c2418;
  --glass: rgba(20, 16, 11, 0.55);
  --font-ar: "Cairo", system-ui, "Segoe UI", sans-serif;
  --font-disp: "Aref Ruqaa", "Cairo", serif;
  --font-en: "Cormorant Garamond", Georgia, serif;
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

/* مهم: عناصر كثيرة هنا لها display صريح (grid/flex) وهو يتغلّب على خاصية hidden */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #efe4d2;
  color: var(--ivory);
  font-family: var(--font-ar);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
}
#scene:active { cursor: grabbing; }

/* الطبقة الشفافة: لا تعترض اللمس إلا على العناصر التفاعلية */
#ui {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}
#ui button,
#ui a,
#ui input,
#ui label,
#ui form,
#ui .sheet,
#ui .caption,
#ui .scr { pointer-events: auto; }

/* ————— أزرار ————— */
.jbtn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  border: 1px solid rgba(246, 239, 227, 0.5);
  background: rgba(20, 16, 11, 0.35);
  backdrop-filter: blur(8px);
  color: var(--ivory);
  font: 600 0.95rem var(--font-ar);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.jbtn:hover { transform: translateY(-2px); border-color: var(--gold); }
.jbtn-solid {
  background: var(--gold);
  border-color: var(--gold);
  color: #1d1608;
}
.jbtn-solid:hover { filter: brightness(1.06); }
.jbtn .ic { width: 18px; height: 18px; }

.round {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(246, 239, 227, 0.35);
  background: rgba(20, 16, 11, 0.45);
  backdrop-filter: blur(8px);
  color: var(--ivory);
  cursor: pointer;
  display: grid;
  place-items: center;
}
.round .ic { width: 19px; height: 19px; }

.tiny { font-size: 0.72rem; opacity: 0.7; margin: 14px 0 0; }
.kicker {
  font-family: var(--font-en);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  font-size: 0.64rem;
  opacity: 0.85;
  margin: 0 0 10px;
}

/* ————— شاشة البداية ————— */
.scr {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 32px 22px calc(32px + var(--safe-b));
  background:
    radial-gradient(120% 80% at 50% 10%, rgba(26, 20, 12, 0.35), rgba(14, 11, 7, 0.85));
  backdrop-filter: blur(3px);
  transition: opacity 0.85s ease, transform 0.85s ease;
}
.scr.gone { opacity: 0; transform: scale(1.04); pointer-events: none; }
.scr-in { max-width: 460px; }

.couple {
  font-family: var(--font-disp);
  font-size: clamp(2.6rem, 15vw, 4.6rem);
  line-height: 1.1;
  margin: 0;
  text-shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
}
.couple span {
  display: block;
  font-family: var(--font-en);
  color: var(--gold);
  font-size: 0.42em;
  margin: 2px 0;
}
.couple-en {
  font-family: var(--font-en);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  font-size: 0.72rem;
  opacity: 0.8;
  margin: 10px 0 0;
}
.invite-line { margin: 20px 0 26px; font-size: 0.98rem; opacity: 0.92; }
.scr-btns { display: flex; flex-direction: column; gap: 10px; align-items: center; }

/* ————— شريط التحميل ————— */
.loader {
  position: absolute;
  inset-inline: 0;
  inset-block-start: 0;
  height: 2px;
  background: rgba(246, 239, 227, 0.18);
  z-index: 20;
}
.loader i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--gold);
  transition: width 0.4s ease;
}

/* ————— أدوات علوية ————— */
.topbar {
  position: absolute;
  inset-block-start: max(14px, env(safe-area-inset-top, 0px));
  inset-inline-end: 14px;
  display: flex;
  gap: 8px;
}

/* ————— تعليق المحطة ————— */
.caption {
  position: absolute;
  inset-inline: 0;
  inset-block-end: calc(20px + var(--safe-b));
  margin-inline: auto;
  width: min(560px, calc(100% - 28px));
  padding: 20px 22px 22px;
  border-radius: 22px;
  background: var(--glass);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(246, 239, 227, 0.16);
  text-align: center;
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.caption.in { opacity: 1; transform: none; }
.cap-en {
  font-family: var(--font-en);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-size: 0.6rem;
  color: var(--champagne);
  margin: 0 0 4px;
}
.cap-ar { font-family: var(--font-disp); font-size: 1.5rem; margin: 0 0 6px; }
.cap-txt { margin: 0 0 16px; font-size: 0.92rem; opacity: 0.9; line-height: 1.75; }

/* ————— مهمة الفوانيس ————— */
.quest {
  position: absolute;
  inset-block-start: max(14px, env(safe-area-inset-top, 0px));
  inset-inline-start: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(246, 239, 227, 0.16);
  font-size: 0.8rem;
}
.quest b { color: var(--gold); font-variant-numeric: tabular-nums; }
.quest.done { border-color: var(--gold); }

/* ————— لحظة الكشف ————— */
.reveal {
  position: absolute;
  inset-inline: 0;
  inset-block-start: 12vh;
  text-align: center;
  padding: 0 20px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 1.4s ease, transform 1.4s ease;
}
.reveal.in { opacity: 1; transform: none; }
.r-en {
  font-family: var(--font-en);
  letter-spacing: 0.36em;
  text-transform: uppercase;
  font-size: 0.64rem;
  color: var(--champagne);
  margin: 0 0 6px;
}
.r-names {
  font-family: var(--font-disp);
  font-size: clamp(2rem, 10vw, 3.4rem);
  margin: 0;
  text-shadow: 0 6px 40px rgba(0, 0, 0, 0.55);
}
.r-names span { color: var(--gold); }
.r-date { margin: 8px 0 0; font-size: 0.95rem; }
.r-hint { margin: 14px 0 0; font-size: 0.76rem; opacity: 0.75; }

/* ————— لوحة المعلومات ————— */
.sheet {
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  margin-inline: auto;
  width: min(520px, 100%);
  max-height: 78vh;
  overflow-y: auto;
  padding: 26px 22px calc(26px + var(--safe-b));
  border-radius: 26px 26px 0 0;
  background: rgba(18, 15, 10, 0.82);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(246, 239, 227, 0.14);
  transform: translateY(100%);
  transition: transform 0.42s cubic-bezier(0.22, 1, 0.36, 1);
}
.sheet.in { transform: none; }
.sheet h3 { font-family: var(--font-disp); font-size: 1.35rem; margin: 2px 0 8px; }
.sheet p { margin: 0 0 10px; font-size: 0.92rem; line-height: 1.8; opacity: 0.92; }
.s-en {
  font-family: var(--font-en);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: 0.6rem;
  color: var(--champagne);
}
.s-btns { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 14px; }
.sheet-x {
  position: absolute;
  inset-block-start: 14px;
  inset-inline-end: 16px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(246, 239, 227, 0.28);
  background: transparent;
  color: var(--ivory);
  cursor: pointer;
  display: grid;
  place-items: center;
}
.sheet-x .ic { width: 16px; height: 16px; }

.s-tl { list-style: none; margin: 6px 0 0; padding: 0; }
.s-tl li {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 10px;
  padding: 9px 0;
  border-block-end: 1px dashed rgba(246, 239, 227, 0.14);
  font-size: 0.9rem;
}
.s-tl li:last-child { border: 0; }
.s-tl span { color: var(--gold); font-variant-numeric: tabular-nums; }

/* ————— RSVP ————— */
.rsvp { display: grid; gap: 12px; margin-top: 12px; }
.choice { display: grid; gap: 8px; }
.choice label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(246, 239, 227, 0.2);
  cursor: pointer;
  font-size: 0.92rem;
}
.choice input { accent-color: var(--gold); width: 18px; height: 18px; }
.choice label:has(input:checked) { border-color: var(--gold); background: rgba(216, 169, 80, 0.12); }
.fld { display: grid; gap: 6px; font-size: 0.8rem; opacity: 0.9; }
.fld input {
  font: 400 1rem var(--font-ar);
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(246, 239, 227, 0.22);
  background: rgba(255, 255, 255, 0.06);
  color: var(--ivory);
}
.fld input:focus-visible { outline: 2px solid var(--gold); outline-offset: 1px; }
.rsvp button { justify-content: center; }

/* ————— تلميح ————— */
.hint {
  position: absolute;
  inset-inline: 0;
  inset-block-end: calc(120px + var(--safe-b));
  text-align: center;
  font-size: 0.78rem;
  opacity: 0.75;
  transition: opacity 0.8s ease;
  animation: pulse 2.6s ease-in-out infinite;
}
.hint.out { opacity: 0; }
@keyframes pulse { 50% { opacity: 0.4; } }

/* ————— بديل WebGL ————— */
#fallback {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 28px;
  background: linear-gradient(160deg, #1b2a22, #0b1410);
}
#fallback h1 { font-family: var(--font-disp); font-size: clamp(2rem, 12vw, 3.2rem); margin: 6px 0 14px; }
#fallback p { margin: 0 0 10px; opacity: 0.9; }
#fallback a { margin-top: 16px; }

.noscript {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  gap: 12px;
  background: #14201a;
  color: var(--ivory);
  text-align: center;
  padding: 24px;
  z-index: 40;
}

/* ————— شاشات أكبر ————— */
@media (min-width: 720px) {
  .scr-btns { flex-direction: row; justify-content: center; }
  .caption { inset-block-end: 28px; padding: 24px 28px; }
  .cap-ar { font-size: 1.75rem; }
  .sheet {
    inset-block-end: 22px;
    inset-inline-start: 22px;
    inset-inline-end: auto;
    margin: 0;
    border-radius: 24px;
    max-height: 70vh;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scr, .caption, .sheet, .reveal { transition: none; }
  .hint { animation: none; }
}