canli-uzay-18000/style.css

/* ============================================================
   18.000 ALEM — Canlı Uzay
   Saf CSS/JS · harici kütüphane yok
   ============================================================ */

:root {
  --bosluk: #02030a;
  --bosluk-2: #060818;
  --altin: #ffd27a;
  --altin-sicak: #ff9a3c;
  --ilahi: #a8d8ff;
  --ilahi-mor: #b98cff;
  --metin: #eaf0ff;
  --metin-soluk: #8fa0c4;
  --cam: rgba(10, 14, 30, 0.62);
  --cam-kenar: rgba(168, 216, 255, 0.18);
  --golge: 0 8px 32px rgba(0, 0, 0, 0.55);
  --r: 14px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%;
  min-height: 100%;
  background: var(--bosluk);
  color: var(--metin);
  font-family: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  overflow-y: auto; /* madde: body overflow hidden YASAK */
  -webkit-font-smoothing: antialiased;
}

body {
  /* Uzay boşluğunun kendisi: derinlik gradyanı */
  background:
    radial-gradient(ellipse 80% 60% at 50% 45%, #0b1030 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 15% 12%, #1a0f35 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 88% 85%, #041e2e 0%, transparent 55%),
    linear-gradient(180deg, #02030a 0%, #05071a 50%, #02030a 100%);
  background-attachment: fixed;
}

/* ---------------- CANVAS ---------------- */
#evren {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
  touch-action: none;
}

/* İlahi güç perdesi: canvas üstünde yumuşak ışık taşması */
#ilahi-perde {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.55;
  background:
    radial-gradient(circle at 50% 50%,
      rgba(255, 210, 122, 0.16) 0%,
      rgba(185, 140, 255, 0.07) 22%,
      transparent 55%);
  animation: ilahiNefes 9s ease-in-out infinite;
}

@keyframes ilahiNefes {
  0%, 100% { opacity: 0.35; transform: scale(1); }
  50%      { opacity: 0.72; transform: scale(1.06); }
}

/* ---------------- HUD ---------------- */
.hud {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  pointer-events: none;
  text-align: center;
  width: min(92vw, 900px);
}

.hud-ust { top: max(14px, 2vh); }

.baslik {
  font-size: clamp(1.35rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: clamp(2px, 0.9vw, 9px);
  background: linear-gradient(180deg, #fff6e0 0%, var(--altin) 45%, var(--altin-sicak) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 22px rgba(255, 170, 60, 0.5));
  animation: baslikParlaklik 6s ease-in-out infinite;
}

@keyframes baslikParlaklik {
  0%, 100% { filter: drop-shadow(0 0 16px rgba(255, 170, 60, 0.35)); }
  50%      { filter: drop-shadow(0 0 34px rgba(255, 190, 90, 0.75)); }
}

.alt-yazi {
  margin-top: 0.35rem;
  font-size: clamp(0.62rem, 1.7vw, 0.85rem);
  letter-spacing: clamp(1.5px, 0.5vw, 5px);
  text-transform: uppercase;
  color: var(--metin-soluk);
}

.hud-alt {
  bottom: max(10px, 1.6vh);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  font-size: clamp(0.62rem, 1.6vw, 0.8rem);
  color: var(--metin-soluk);
  letter-spacing: 1px;
}
.ayrac { opacity: 0.4; }

/* ---------------- PANEL ---------------- */
.panel {
  position: fixed;
  top: max(14px, 2vh);
  right: max(12px, 2vw);
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.panel-ac {
  width: 46px;
  height: 46px;
  min-width: 46px;
  min-height: 46px; /* WCAG dokunma hedefi */
  border-radius: 50%;
  border: 1px solid var(--cam-kenar);
  background: var(--cam);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--altin);
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: var(--golge);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.panel-ac:hover {
  transform: rotate(90deg) scale(1.08);
  border-color: rgba(255, 210, 122, 0.5);
  box-shadow: 0 0 26px rgba(255, 180, 70, 0.35);
}

.panel-govde {
  width: min(88vw, 290px);
  padding: 16px 16px 14px;
  border-radius: var(--r);
  border: 1px solid var(--cam-kenar);
  background: var(--cam);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--golge);
  display: flex;
  flex-direction: column;
  gap: 15px;
  transform-origin: top right;
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
}
.panel-govde.gizli {
  opacity: 0;
  transform: scale(0.9) translateY(-8px);
  visibility: hidden;
  pointer-events: none;
}

.satir { display: flex; flex-direction: column; gap: 7px; }

.satir label {
  font-size: 0.72rem;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--metin-soluk);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.deger {
  font-variant-numeric: tabular-nums;
  color: var(--altin);
  font-size: 0.74rem;
  letter-spacing: 0.5px;
}

/* Range input */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 22px; /* dokunma alanı */
  background: transparent;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, rgba(255, 210, 122, 0.85), rgba(168, 216, 255, 0.35));
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 17px;
  height: 17px;
  margin-top: -6.5px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff8e6, var(--altin) 55%, var(--altin-sicak));
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: 0 0 12px rgba(255, 180, 70, 0.75);
}
input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, rgba(255, 210, 122, 0.85), rgba(168, 216, 255, 0.35));
}
input[type="range"]::-moz-range-thumb {
  width: 17px;
  height: 17px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff8e6, var(--altin) 55%, var(--altin-sicak));
  box-shadow: 0 0 12px rgba(255, 180, 70, 0.75);
}

/* Buton grubu */
.satir-buton {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px;
}

.mini-btn {
  flex: 1 1 auto;
  min-height: 44px; /* WCAG dokunma hedefi */
  min-width: 82px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--cam-kenar);
  background: rgba(255, 255, 255, 0.04);
  color: var(--metin-soluk);
  font-size: 0.72rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.22s;
}
.mini-btn:hover { border-color: rgba(168, 216, 255, 0.45); color: var(--metin); }
.mini-btn.aktif {
  background: linear-gradient(135deg, rgba(255, 210, 122, 0.22), rgba(255, 154, 60, 0.12));
  border-color: rgba(255, 210, 122, 0.65);
  color: #fff4dd;
  box-shadow: 0 0 16px rgba(255, 180, 70, 0.22) inset;
}

/* ---------------- MOBİL ---------------- */
@media (max-width: 640px) {
  .hud-ust { top: 10px; }
  .hud-alt { bottom: 6px; }
  .panel { top: 10px; right: 10px; gap: 8px; }
  .panel-govde { padding: 13px 13px 12px; gap: 13px; }
  .satir-buton .mini-btn { flex: 1 1 44%; font-size: 0.66rem; }
}

@media (max-width: 380px) {
  .satir-buton .mini-btn { flex: 1 1 100%; }
}

/* Hareket azaltma tercihi */
@media (prefers-reduced-motion: reduce) {
  #ilahi-perde, .baslik { animation: none; }
}