:root{
  --bg1:#0b1020;
  --bg2:#1a0f2b;
  --text:#f6f1ff;
  --muted:rgba(246,241,255,.75);
  --card:rgba(255,255,255,.08);
  --shadow: 0 20px 80px rgba(0,0,0,.45);
  --radius: 22px;
}

*{box-sizing:border-box}
html,body{height:100%; width:100%}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--text);
  overflow:hidden;

  background:
    radial-gradient(1200px 700px at 20% 20%, rgba(255,94,168,.20), transparent 60%),
    radial-gradient(900px 600px at 80% 30%, rgba(169,215,255,.16), transparent 55%),
    linear-gradient(160deg, var(--bg1), var(--bg2));
  background-attachment: fixed;
}

/* noise to kill gradient banding on Mac */
.noise{
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.10;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  transform: translateZ(0);
  z-index: 999;
}

.screen{
  position:absolute;
  inset:0;
  display:none;
}
.screen--active{display:block}

#screen-lock{ padding: 36px 46px; }
#screen-gallery{ padding: 0; }

.bg-glow{
  position:absolute; inset:-25%;
  background:
    radial-gradient(closest-side at 30% 40%, rgba(255,94,168,.22), transparent 70%),
    radial-gradient(closest-side at 70% 60%, rgba(255,211,106,.14), transparent 70%);
  filter: blur(18px);
  animation: breathe 6s ease-in-out infinite;
  pointer-events:none;
}
@keyframes breathe{
  0%,100%{transform:scale(1)}
  50%{transform:scale(1.04)}
}

.hero{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 36px;
}

/* LEFT lock area */
.lock-stage{
  width: 520px;
  height: 520px;
  display:grid;
  place-items:center;
}

.lock-card{
  position:relative;
  width: 520px;
  height: 520px;
  display:grid;
  place-items:center;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 34px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  overflow:hidden;
}

.padlock-svg{
  width: 380px;
  height: auto;
  display:block;
  filter: drop-shadow(0 22px 70px rgba(0,0,0,.35));
  transform: translateY(8px);
}

/* sparkles */
.spark{ fill: rgba(255,255,255,.75); }
.s1{ animation: tw 2.6s ease-in-out infinite; }
.s2{ animation: tw 3.1s ease-in-out infinite .4s; }
.s3{ animation: tw 2.9s ease-in-out infinite .2s; }
.s4{ animation: tw 3.4s ease-in-out infinite .6s; }
@keyframes tw{
  0%,100%{ opacity:.25; transform: scale(.8); }
  50%{ opacity:.9; transform: scale(1.2); }
}

/* SHACKLE open animation – elegant latch */
.shackle{
  transform-box: fill-box;
  transform-origin: 38% 78%;
  transform: rotate(0deg) translateY(0);
  transition: transform 820ms cubic-bezier(.16,.95,.12,1);
}

/* small body “spring” */
.body{
  transform-box: fill-box;
  transform-origin: 50% 80%;
  transition: transform 460ms cubic-bezier(.16,.95,.12,1);
}

/* opening state */
.lock-card--open .shackle{
  transform: rotate(-28deg) translateY(-10px);
}
.lock-card--open .body{
  transform: translateY(-2px) scale(1.01);
}

/* subtle click reaction */
@keyframes click{
  0%{ transform: translateY(0) }
  35%{ transform: translateY(1px) }
  70%{ transform: translateY(-1px) }
  100%{ transform: translateY(0) }
}
.lock-card--click{
  animation: click 200ms ease-in-out 1;
}

/* dim overlay for transition */
.lock-dim{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.55);
  opacity:0;
  pointer-events:none;
  transition: opacity .55s ease;
}
.lock-dim--on{ opacity:1; }

/* RIGHT panel */
.panel{
  width: 520px;
  background: linear-gradient(180deg, var(--card), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  padding: 26px 26px 20px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.title{margin:0 0 8px; font-size: 34px; letter-spacing:.2px}
.subtitle{margin:0 0 18px; color:var(--muted); line-height:1.35}

.code-form{display:flex; gap:10px; align-items:stretch; flex-wrap:wrap}
.code-input{
  flex: 1 1 300px;
  min-width: 300px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.22);
  color: var(--text);
  padding: 14px 16px;
  font-size: 18px;
  letter-spacing: .35em;
  outline:none;
  transition: .2s ease;
}
.code-input:focus{
  border-color: rgba(255,94,168,.65);
  box-shadow: 0 0 0 6px rgba(255,94,168,.14);
}
.btn{
  border:0;
  border-radius: 16px;
  padding: 14px 16px;
  font-size: 16px;
  color: #120814;
  background: linear-gradient(135deg, #ff86c6, #ffd36a);
  cursor:pointer;
  transition: transform .12s ease, filter .2s ease;
}
.btn:hover{filter:brightness(1.05)}
.btn:active{transform: translateY(1px)}

.hint{margin-top:10px; min-height: 20px; color: rgba(255,255,255,.85)}
.hint--bad{color: rgba(255,140,140,.95)}
.hint--good{color: rgba(165,255,200,.95)}

.footer-note{
  position:absolute; left:0; right:0; bottom:14px;
  text-align:center;
  color: rgba(255,255,255,.45);
  font-size: 13px;
}

/* GALLERY */
.gallery-bg{
  position:absolute; inset:-30%;
  background:
    radial-gradient(closest-side at 20% 20%, rgba(255,94,168,.16), transparent 70%),
    radial-gradient(closest-side at 80% 25%, rgba(169,215,255,.14), transparent 70%),
    radial-gradient(closest-side at 60% 80%, rgba(255,211,106,.12), transparent 65%);
  filter: blur(14px);
  pointer-events:none;
}

.gallery{
  height:100%;
  position:relative;
}

.centerpiece{
  position:absolute;
  left:50%;
  top:50%;
  transform: translate(-50%,-50%);
  width: 300px;           /* меньше */
  aspect-ratio: 4/5;
  border-radius: 24px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  box-shadow: var(--shadow);
  z-index: 10;
}
.centerpiece img{
  width:100%; height:100%;
  object-fit: cover;
  display:block;
  filter: saturate(1.05) contrast(1.03);
}

/* ORBITS */
.orbit-layer{
  position:absolute;
  inset:0;
  z-index: 2;
}

.orbit-item{
  position:absolute;
  left:50%;
  top:50%;
  width: var(--size);
  aspect-ratio: 1/1;
  border-radius: 20px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  box-shadow: 0 18px 55px rgba(0,0,0,.35);
  cursor: pointer;
  transform: translate(-50%,-50%) rotate(var(--a)) translateX(var(--r));
  animation: orbitSpin var(--dur) linear infinite;
  will-change: transform;
}
.orbit-item:hover{ filter: brightness(1.05); }
.orbit-item img{
  width:100%; height:100%;
  object-fit: cover;
  display:block;
  animation: bob var(--bobdur) ease-in-out infinite;
}
@keyframes orbitSpin{
  from { transform: translate(-50%,-50%) rotate(var(--a)) translateX(var(--r)); }
  to   { transform: translate(-50%,-50%) rotate(calc(var(--a) + 360deg)) translateX(var(--r)); }
}
@keyframes bob{
  0%,100%{ transform: scale(1) translateY(0px); }
  50%{ transform: scale(1.02) translateY(-6px); }
}

/* MODAL */
.modal{
  position:absolute; inset:0;
  display:none;
  place-items:center;
  z-index:50;
}
.modal--open{display:grid}
.modal__backdrop{
  position:absolute; inset:0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
}
.modal__card{
  position:relative;
  width: 900px;
  max-width: 92vw;
  border-radius: 26px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(20,12,30,.65);
  box-shadow: var(--shadow);
  z-index:1;
}
.modal__img{
  width:100%;
  max-height: 76vh;
  object-fit: contain;
  display:block;
  background: rgba(0,0,0,.25);
}
.modal__caption{
  padding: 18px 16px 20px;
  text-align: center;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 22px;
  letter-spacing: .04em;
  color: rgba(255,255,255,.92);
  border-top: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
}
.modal__close{
  position:absolute;
  top: 10px; right: 10px;
  width: 40px; height: 40px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.25);
  color: rgba(255,255,255,.92);
  cursor:pointer;
  z-index:2;
}