/* Kurdele — 3B hediye kutusu, açılış sahnesi, kart ve ekler.
   Kutu saf CSS 3B: gövde 6 yüz, kapak 6 yüz, fiyonk kameraya dönük SVG. Açı/sallanma kutu.js'ten (--rx, --ry).
   Dikkat: preserve-3d zincirindeki öğelere opacity < 1, filter ya da overflow verme; Safari 3B'yi düzleştirir. */

/* ---------- Gece sahnesi ---------- */
body.gece-govde { background: var(--gece); color: var(--kagit); }
.noscript { margin: 0; padding: 40px 24px; text-align: center; color: var(--kagit); }
.gonderen-not { position: relative; z-index: 3; margin: 0 16px 10px; padding: .55rem .9rem; border-radius: 999px; font: 500 .85rem/1.3 var(--sans); color: var(--altin-2); background: rgba(235, 215, 166, .1); text-align: center; }
.gece-sahne {
  position: relative; color: var(--kagit); isolation: isolate;
  background:
    radial-gradient(ellipse 60% 48% at 50% 44%, rgba(255, 210, 150, .15), transparent 72%),
    radial-gradient(ellipse 110% 70% at 50% 115%, rgba(74, 118, 255, .10), transparent 62%),
    var(--gece);
}
.gece-sahne canvas.kar-tuval, .gece-sahne canvas.konfeti-tuval { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.gece-sahne canvas.kar-tuval { z-index: 0; }
.gece-sahne canvas.konfeti-tuval { z-index: 6; }

/* ---------- Kutu ---------- */
.kutu-sahne {
  --s: min(52vw, 29vh, 236px);
  --h: calc(var(--s) * .66);
  --l: calc(var(--s) * .21);
  --o: calc(var(--s) * .05);
  --ov: calc(var(--l) * .34);
  --S2: calc(var(--s) + 2 * var(--o));
  --kw: calc(var(--s) * var(--t-kg, .16));
  position: relative; z-index: 2; display: grid; place-items: center;
  width: 100%; height: calc(var(--s) * 1.62); padding-top: calc(var(--s) * .32);
  touch-action: manipulation; -webkit-user-select: none; user-select: none;
}
.kutu-sahne.kucuk { --s: 120px; }
.kutu-isik {
  position: absolute; z-index: 0; left: 50%; top: calc(50% + var(--s) * .02);
  width: calc(var(--s) * 3.6); height: calc(var(--s) * 3.6); margin: calc(var(--s) * -1.8) 0 0 calc(var(--s) * -1.8);
  border-radius: 50%; pointer-events: none; opacity: 0; transform: scale(.4);
  background:
    radial-gradient(closest-side, rgba(255, 228, 176, .55), rgba(255, 200, 130, .16) 38%, transparent 70%),
    repeating-conic-gradient(from 0deg, rgba(255, 226, 170, .2) 0deg 3.5deg, transparent 3.5deg 15deg);
  -webkit-mask: radial-gradient(closest-side, #000 18%, transparent 72%); mask: radial-gradient(closest-side, #000 18%, transparent 72%);
}
.kutu-sarsinti {
  position: relative; z-index: 1; width: var(--s); height: var(--h);
  perspective: calc(var(--s) * 4.4); perspective-origin: 50% 10%;
}
.kutu-golge {
  position: absolute; left: -38%; right: -38%; bottom: calc(var(--s) * -.17); height: calc(var(--s) * .38);
  background: radial-gradient(closest-side, rgba(0, 0, 0, .55), rgba(0, 0, 0, .2) 58%, transparent);
  pointer-events: none; transform-origin: 50% 50%;
}
.kutu {
  position: absolute; inset: 0; transform-style: preserve-3d;
  transform: translateY(var(--yuz, 0px)) rotateX(var(--rx, -22deg)) rotateY(var(--ry, -34deg));
}
.k-govde, .k-kapak { position: absolute; transform-style: preserve-3d; }
.kutu .k-yuz {
  position: absolute; left: 0; top: 0;
  background-color: var(--t-kagit); background-image: var(--t-desen); background-size: var(--t-boyut);
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
}
.kutu .k-yuz::after { content: ''; position: absolute; inset: 0; background: var(--isik, none); pointer-events: none; }

.k-govde { left: 0; top: 0; width: var(--s); height: var(--h); }
.k-govde .k-on, .k-govde .k-arka, .k-govde .k-sag, .k-govde .k-sol { width: var(--s); height: var(--h); }
/* Gövdede kapağın düşürdüğü gölge şeridi (%10) ve aşağı doğru hafif koyulaşma */
.k-govde .k-on { transform: translateZ(calc(var(--s) / 2)); --isik: linear-gradient(180deg, rgba(0,0,0,0) 0, rgba(0,0,0,.36) 10%, rgba(0,0,0,.06) 27%, rgba(0,0,0,.14) 100%); }
.k-govde .k-sag { transform: rotateY(90deg) translateZ(calc(var(--s) / 2)); --isik: linear-gradient(180deg, rgba(10,8,20,.3) 0, rgba(10,8,20,.58) 10%, rgba(10,8,20,.34) 27%, rgba(10,8,20,.42) 100%); }
.k-govde .k-arka { transform: rotateY(180deg) translateZ(calc(var(--s) / 2)); --isik: rgba(10,8,20,.42); }
.k-govde .k-sol { transform: rotateY(-90deg) translateZ(calc(var(--s) / 2)); --isik: linear-gradient(180deg, rgba(0,0,0,.05), rgba(0,0,0,.36) 10%, rgba(0,0,0,.08) 27%, rgba(0,0,0,.12)); }
.k-govde .k-alt, .k-govde .k-ic { width: var(--s); height: var(--s); top: calc((var(--h) - var(--s)) / 2); }
.k-govde .k-alt { transform: rotateX(-90deg) translateZ(calc(var(--h) / 2)); --isik: rgba(0,0,0,.55); }
.k-govde .k-ic {
  transform: rotateX(90deg) translateZ(calc(var(--h) / 2 - 1px));
  background: radial-gradient(closest-side, rgba(255, 222, 160, calc(var(--parla, 0) * .95)), rgba(255, 186, 110, calc(var(--parla, 0) * .4)) 55%, transparent 100%), var(--t-ic);
  box-shadow: inset 0 0 calc(var(--s) * .14) rgba(0, 0, 0, .65);
}

.k-kapak { left: calc(-1 * var(--o)); top: calc(var(--ov) - var(--l)); width: var(--S2); height: var(--l); }
.k-kapak .k-on, .k-kapak .k-arka, .k-kapak .k-sag, .k-kapak .k-sol { width: var(--S2); height: var(--l); }
.k-kapak .k-on { transform: translateZ(calc(var(--S2) / 2)); --isik: linear-gradient(180deg, rgba(255,255,255,.12), rgba(0,0,0,.14)); box-shadow: inset 0 1px 0 rgba(255,255,255,.22); }
.k-kapak .k-sag { transform: rotateY(90deg) translateZ(calc(var(--S2) / 2)); --isik: linear-gradient(180deg, rgba(10,8,20,.26), rgba(10,8,20,.42)); }
.k-kapak .k-arka { transform: rotateY(180deg) translateZ(calc(var(--S2) / 2)); --isik: rgba(10,8,20,.4); }
.k-kapak .k-sol { transform: rotateY(-90deg) translateZ(calc(var(--S2) / 2)); --isik: rgba(0,0,0,.08); }
.k-kapak .k-ust, .k-kapak .k-alt { width: var(--S2); height: var(--S2); top: calc((var(--l) - var(--S2)) / 2); }
.k-kapak .k-ust { transform: rotateX(90deg) translateZ(calc(var(--l) / 2)); --isik: linear-gradient(135deg, rgba(255,255,255,.22), rgba(255,255,255,.05) 52%, rgba(0,0,0,.08)); }
.k-kapak .k-alt { transform: rotateX(-90deg) translateZ(calc(var(--l) / 2)); --isik: rgba(0,0,0,.5); }

/* Kurdele şeritleri: saten ışığı + grogren dokusu */
.kurdele-cozuk .k-kd { opacity: 0; }
.kutu .k-kd {
  position: absolute; top: 0; bottom: 0; left: calc(50% - var(--kw) / 2); width: var(--kw);
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,.07) 0 1px, transparent 1px 3px),
    linear-gradient(90deg, var(--t-kk) 0%, var(--t-k) 18%, var(--t-ka) 46%, var(--t-k) 64%, var(--t-kk) 100%);
}
.kutu .k-kd.k-yatay {
  top: calc(50% - var(--kw) / 2); bottom: auto; left: 0; right: 0; width: auto; height: var(--kw);
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,.07) 0 1px, transparent 1px 3px),
    linear-gradient(180deg, var(--t-kk) 0%, var(--t-k) 18%, var(--t-ka) 46%, var(--t-k) 64%, var(--t-kk) 100%);
}
/* Altın varak: yüzeyde yavaşça kayan parıltı */
.kutu-sahne[data-parilti] .kutu .k-yuz::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 246, 214, .42) 45%, transparent 60%) 0 0 / 250% 100%;
  animation: varak 5.5s ease-in-out infinite;
}
@keyframes varak { 0% { background-position: 120% 0; } 55%, 100% { background-position: -120% 0; } }

/* Fiyonk: kapağın tam ortasında, kameraya dönük (kutunun dönüşünü geri alır) */
.k-fiyonk {
  position: absolute; left: 50%; top: calc(var(--ov) - var(--l));
  width: calc(var(--s) * .8); height: calc(var(--s) * .48);
  margin: calc(var(--s) * -.445) 0 0 calc(var(--s) * -.4);
  transform-origin: 50% 100%;
  transform: rotateY(calc(var(--ry, -34deg) * -.85)) rotateX(calc(var(--rx, -22deg) * -1));
}
.k-fiyonk svg { width: 100%; height: 100%; overflow: visible; }
.k-fiyonk .fy-1 { stop-color: var(--t-ka); } .k-fiyonk .fy-2 { stop-color: var(--t-k); } .k-fiyonk .fy-3 { stop-color: var(--t-kk); }
.k-fiyonk .fy-ic { fill: var(--t-kk); }
.k-fiyonk .fy-dugum { fill: var(--t-k); }

/* ---------- Basılı tut düğmesi ---------- */
.tut-alani { position: relative; z-index: 3; display: grid; justify-items: center; gap: .8rem; padding: .5rem 1rem 0; }
.tut {
  --p: 0; position: relative; width: 84px; height: 84px; border-radius: 50%; border: 0; padding: 0; cursor: pointer;
  background: rgba(244, 239, 230, .08); color: var(--kagit);
  box-shadow: inset 0 0 0 1px rgba(244, 239, 230, .16), 0 10px 30px rgba(0, 0, 0, .35);
  -webkit-tap-highlight-color: transparent; touch-action: none; -webkit-user-select: none; user-select: none; -webkit-touch-callout: none;
  transition: transform .2s var(--egri), background-color .2s;
}
.tut:hover { background: rgba(244, 239, 230, .12); }
.tut.basili { transform: scale(.94); background: rgba(244, 239, 230, .14); }
.tut svg.halka { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.tut .iz { fill: none; stroke: rgba(244, 239, 230, .14); stroke-width: 3; }
.tut .dolu { fill: none; stroke: var(--altin-2); stroke-width: 3.5; stroke-linecap: round; stroke-dasharray: 100; stroke-dashoffset: calc(100 - var(--p) * 100); }
.tut .simge { position: absolute; inset: 0; display: grid; place-items: center; }
.tut .simge svg { width: 34px; height: 34px; }
.tut[disabled] { cursor: default; opacity: .5; }
.tut-yazi { font: 500 .98rem/1.35 var(--sans); color: rgba(244, 239, 230, .78); text-align: center; min-height: 1.35em; }
.tut-yazi kbd { font: inherit; }

/* ---------- Alıcı ekranı ---------- */
.hediye-ekran { min-height: 100dvh; display: flex; flex-direction: column; overflow: hidden; }
.hediye-ust { position: relative; z-index: 4; display: flex; justify-content: space-between; align-items: center; padding: calc(12px + env(safe-area-inset-top)) 16px 0; }
.hediye-ust .logo { color: var(--kagit); opacity: .82; font-size: 1.05rem; }
.hediye-ust .sag { display: flex; gap: 8px; margin-left: auto; }
.kutu-kap { width: 100%; }
.yuvarlak { -webkit-appearance: none; appearance: none; width: 42px; height: 42px; border-radius: 50%; border: 0; display: grid; place-items: center; cursor: pointer; background: rgba(244,239,230,.08); color: var(--kagit); box-shadow: inset 0 0 0 1px rgba(244,239,230,.12); }
.yuvarlak svg { width: 20px; height: 20px; }
.yuvarlak:hover { background: rgba(244,239,230,.14); }
.hediye-orta { position: relative; z-index: 2; flex: 1; display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 0 0 calc(24px + env(safe-area-inset-bottom)); }
.hitap-ust { text-align: center; padding: 0 20px; transition: opacity .5s, transform .6s var(--egri); }
.hitap-ust .kime { font: italic 500 clamp(2rem, 1.3rem + 3.6vw, 3.1rem)/1.05 var(--serif); color: var(--kagit); overflow-wrap: anywhere; }
.hitap-ust .alt { margin-top: .55rem; font: 400 1.02rem/1.4 var(--sans); color: rgba(244, 239, 230, .7); }
.hitap-ust .alt b { font-weight: 600; color: var(--kagit); }

/* Açılış zamanı etiketi (kilitli hediye) */
.kilit-etiket {
  position: relative; z-index: 3; margin: .2rem auto 0; display: grid; gap: .3rem; justify-items: center; text-align: center;
  padding: .7rem 1.1rem .8rem; border-radius: 12px; color: var(--kagit);
  background: rgba(244, 239, 230, .06); box-shadow: inset 0 0 0 1px rgba(244, 239, 230, .12);
}
.kilit-etiket .ne-zaman { font: 500 .92rem/1.3 var(--sans); color: rgba(244,239,230,.75); }
.geri-sayim { display: flex; gap: .55rem; font: 500 clamp(1.3rem, 1rem + 1.6vw, 1.8rem)/1 var(--mono); letter-spacing: -.02em; }
.geri-sayim span { display: grid; justify-items: center; gap: .3rem; min-width: 2.6ch; }
.geri-sayim small { font: 500 .66rem/1 var(--sans); letter-spacing: .06em; color: rgba(244,239,230,.55); }
.ipucu { max-width: 34ch; font: italic 400 1rem/1.45 var(--serif); color: rgba(244,239,230,.8); }

/* Açıldıktan sonra */
.acik-icerik { position: relative; z-index: 5; display: grid; justify-items: center; gap: 22px; padding: calc(56px + env(safe-area-inset-top)) 16px calc(40px + env(safe-area-inset-bottom)); }
.hediye-ekran.acildi .hediye-orta { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

/* Kart (mektup) */
.mektup {
  position: relative; width: min(100%, 520px);
  padding: clamp(30px, 8vw, 52px) clamp(24px, 7vw, 48px) clamp(28px, 7vw, 42px);
  background: var(--beyaz) var(--doku); color: var(--murekkep); border-radius: 5px;
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset, 0 34px 70px -22px rgba(0,0,0,.6), 0 10px 26px rgba(0,0,0,.28);
  transform: rotate(-.5deg); transform-origin: 50% 100%;
}
.mektup::before { content: ''; position: absolute; inset: 10px; border: 1px solid color-mix(in srgb, var(--t-vurgu, #8C2331) 28%, transparent); border-radius: 3px; pointer-events: none; }
.mektup .susleme { width: 74px; height: 30px; margin: 0 auto 1.1rem; color: var(--t-vurgu, #8C2331); }
.mektup .hitap { font: italic 500 clamp(1.65rem, 1.2rem + 2.2vw, 2.2rem)/1.15 var(--serif); color: var(--t-vurgu, #8C2331); overflow-wrap: anywhere; }
.mektup .metin { margin-top: 1rem; font: 400 clamp(1.1rem, 1rem + .55vw, 1.26rem)/1.62 var(--serif); white-space: pre-wrap; overflow-wrap: anywhere; }
.mektup .imza { margin-top: 1.5rem; text-align: right; font: italic 500 1.3rem/1.25 var(--serif); overflow-wrap: anywhere; }
.mektup .imza small { display: block; font: 400 .85rem/1.3 var(--sans); font-style: normal; color: var(--murekkep-3); margin-bottom: .2rem; }

/* Ekler */
.ek { width: min(100%, 520px); }
.polaroid { margin: 0; background: #FBFAF7; padding: 12px 12px 46px; border-radius: 3px; box-shadow: 0 24px 50px -18px rgba(0,0,0,.6), 0 6px 18px rgba(0,0,0,.25); transform: rotate(1.4deg); }
.polaroid img { width: 100%; height: auto; border-radius: 1px; background: #E8E2D6; }
.kupon {
  position: relative; display: grid; grid-template-columns: 1fr auto; color: var(--murekkep);
  background: var(--kagit) var(--doku); border-radius: 14px; box-shadow: 0 20px 44px -18px rgba(0,0,0,.6);
}
.kupon::before, .kupon::after { content: ''; position: absolute; top: 50%; width: 22px; height: 22px; margin-top: -11px; border-radius: 50%; background: var(--gece); }
.kupon::before { left: -11px; } .kupon::after { right: -11px; }
.kupon .sol { padding: 1.3rem 1.2rem 1.3rem 1.6rem; display: grid; gap: .35rem; }
.kupon .etiket { font: 600 .74rem/1 var(--sans); letter-spacing: .1em; color: var(--t-vurgu, #8C2331); }
.kupon .baslik { font: 500 1.45rem/1.2 var(--serif); overflow-wrap: anywhere; }
.kupon .detay { font: 400 .98rem/1.45 var(--sans); color: var(--murekkep-2); white-space: pre-wrap; overflow-wrap: anywhere; }
.kupon .sag { display: grid; place-items: center; padding: 1rem 1.3rem 1rem 1.1rem; border-left: 2px dashed rgba(20,24,43,.18); }
.kupon .sag span { writing-mode: vertical-rl; transform: rotate(180deg); font: 600 .78rem/1 var(--sans); letter-spacing: .12em; color: var(--murekkep-3); }
.kod-kart, .baglanti-kart { background: var(--kagit) var(--doku); color: var(--murekkep); border-radius: 16px; padding: 1.2rem 1.3rem; display: grid; gap: .7rem; box-shadow: 0 20px 44px -18px rgba(0,0,0,.6); }
.kod-kart .etiket, .baglanti-kart .etiket { font: 600 .74rem/1 var(--sans); letter-spacing: .1em; color: var(--t-vurgu, #8C2331); }
.kod-satir { display: flex; gap: .6rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.kod-metin { font: 500 clamp(1rem, .9rem + .8vw, 1.3rem)/1.3 var(--mono); letter-spacing: .04em; overflow-wrap: anywhere; user-select: all; -webkit-user-select: all; }
.kod-kart .nerede, .baglanti-kart .alan-adi { font: 400 .92rem/1.4 var(--sans); color: var(--murekkep-2); overflow-wrap: anywhere; }
.baglanti-kart .baslik { font: 500 1.3rem/1.25 var(--serif); overflow-wrap: anywhere; }

/* Tepki ve teşekkür */
.tepki-kutu { width: min(100%, 520px); display: grid; gap: .9rem; justify-items: center; text-align: center; padding: 1.2rem 0 .2rem; color: var(--kagit); }
.tepki-kutu h3 { font: italic 500 1.35rem/1.2 var(--serif); }
.emojiler { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: center; }
.emojiler button { -webkit-appearance: none; appearance: none; width: 52px; height: 52px; border-radius: 50%; border: 0; cursor: pointer; font-size: 1.55rem; line-height: 1; background: rgba(244,239,230,.08); box-shadow: inset 0 0 0 1px rgba(244,239,230,.12); transition: transform .15s, background-color .15s; }
.emojiler button:hover { background: rgba(244,239,230,.14); }
.emojiler button[aria-pressed="true"] { background: var(--kagit); transform: scale(1.08); }
.tepki-kutu textarea { width: 100%; min-height: 84px; border-radius: 14px; border: 1px solid rgba(244,239,230,.18); background: rgba(244,239,230,.06); color: var(--kagit); padding: .8rem 1rem; font: 400 1.02rem/1.45 var(--serif); resize: vertical; }
.tepki-kutu textarea::placeholder { color: rgba(244,239,230,.45); }
.tepki-kutu textarea:focus { outline: none; border-color: rgba(244,239,230,.5); }
.tepki-tamam { font: 500 1rem/1.4 var(--sans); color: var(--altin-2); }
.imza-alt { display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem .9rem; align-items: center; font: 500 .9rem/1.3 var(--sans); color: rgba(244,239,230,.62); padding-top: .6rem; }
.imza-alt a { color: var(--kagit); text-decoration: none; border-bottom: 1px solid rgba(244,239,230,.3); }
.imza-alt a:hover { border-color: var(--kagit); }
.alt-dugmeler { display: flex; gap: .6rem; flex-wrap: wrap; justify-content: center; }
.gece-sahne .dugme.cizgi { color: var(--kagit); }

/* Hata / bulunamadı */
.bos-ekran { min-height: 100dvh; display: grid; place-items: center; text-align: center; padding: 24px; }
.bos-ekran h1 { font-size: clamp(2rem, 1.5rem + 2.5vw, 3rem); }
.bos-ekran p { margin: .8rem auto 1.6rem; max-width: 36ch; color: rgba(244,239,230,.75); }

@media (prefers-reduced-motion: reduce) {
  .kutu-sahne[data-parilti] .kutu .k-yuz::before { animation: none; }
}