/* ===== Neo-dark 닉네임옵션 시작 setting_info.php ===== */
#tab-nickoption{
  --bg0:#0b0f1a;
  --bg1:#0f1630;
  --panel:rgba(255,255,255,.045);
  --panel2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --text:#e9ecf5;
  --muted:rgba(233,236,245,.70);
  --accent:#7c5cff;      /* violet */
  --accent2:#00d4ff;     /* cyan */
  --danger:#ff4d6d;
  --radius:16px;

  position: relative;
  padding: 20px 18px;
  border-radius: var(--radius);
  color: var(--text);
  background:
    radial-gradient(900px 260px at 15% -10%, rgba(124,92,255,.35), transparent 60%),
    radial-gradient(700px 260px at 85% 0%, rgba(0,212,255,.22), transparent 55%),
    linear-gradient(180deg, var(--bg1), var(--bg0));
  border: 1px solid var(--line);
  box-shadow:
    0 18px 60px rgba(0,0,0,.55),
    inset 0 1px 0 rgba(255,255,255,.06);
  overflow: hidden;
}

/* subtle noise + glow */
#tab-nickoption::before{
  content:"";
  position:absolute; inset:-2px;
  background:
    radial-gradient(450px 120px at 30% 10%, rgba(124,92,255,.18), transparent 60%),
    radial-gradient(420px 120px at 70% 20%, rgba(0,212,255,.12), transparent 60%),
    linear-gradient(0deg, rgba(255,255,255,.02), rgba(255,255,255,.02));
  filter: blur(0px);
  pointer-events:none;
  opacity:.85;
}
#tab-nickoption::after{
  content:"";
  position:absolute; inset:0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  opacity:.12;
  pointer-events:none;
}

/* Heading */
#tab-nickoption h2{
  margin: 0 0 14px;
  font-size: 16px;
  letter-spacing: .2px;
  font-weight: 700;
  position: relative;
  z-index: 1;
}
#tab-nickoption h2::after{
  content:"";
  display:block;
  width: 56px;
  height: 3px;
  margin-top: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  box-shadow: 0 0 18px rgba(124,92,255,.35);
  opacity:.95;
}

/* Labels */
#tab-nickoption label{
  display:block;
  margin: 14px 0 8px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .25px;
  position: relative;
  z-index: 1;
}

/* Inputs / Selects base */
#tab-nickoption input,
#tab-nickoption select{
  width: 100%;
  box-sizing: border-box;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.04));
  color: var(--text);
  padding: 10px 12px;
  outline: none;
  transition: transform .12s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
  position: relative;
  z-index: 1;
}

/* Focus ring */
#tab-nickoption input:focus,
#tab-nickoption select:focus{
  border-color: rgba(124,92,255,.55);
  box-shadow:
    0 0 0 3px rgba(124,92,255,.18),
    0 8px 24px rgba(0,0,0,.35);
  transform: translateY(-1px);
}

/* Select dropdown arrow */
#tab-nickoption select{
  appearance: none;
  background-image:
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04)),
    radial-gradient(circle at 60% 40%, rgba(124,92,255,.28), transparent 55%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24'%3E%3Cpath fill='rgba(233,236,245,0.85)' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 0 0, 0 0, calc(100% - 10px) 50%;
  padding-right: 38px;
}

/* Color input styling */
#tab-nickoption input[type="color"]{
  height: 44px;
  padding: 6px 8px;
}
#tab-nickoption input[type="color"]::-webkit-color-swatch-wrapper{
  padding: 0;
}
#tab-nickoption input[type="color"]::-webkit-color-swatch{
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 10px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.10),
    0 8px 22px rgba(0,0,0,.35);
}

/* Button */
#tab-nickoption button#saveNickStyle{
  width: 100%;
  margin-top: 16px;
  padding: 11px 14px;
  border: 0;
  border-radius: 14px;
  color: #0b0f1a;
  font-weight: 800;
  letter-spacing: .2px;
  cursor: pointer;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  box-shadow:
    0 16px 40px rgba(124,92,255,.25),
    0 10px 28px rgba(0,212,255,.18),
    inset 0 1px 0 rgba(255,255,255,.35);
  transition: transform .12s ease, filter .18s ease, box-shadow .18s ease;
  position: relative;
  z-index: 1;
}
#tab-nickoption button#saveNickStyle:hover{
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow:
    0 18px 46px rgba(124,92,255,.30),
    0 12px 32px rgba(0,212,255,.22),
    inset 0 1px 0 rgba(255,255,255,.40);
}
#tab-nickoption button#saveNickStyle:active{
  transform: translateY(0);
  filter: brightness(.98);
}

#tab-nickoption br{ display:none; }

#tab-nickoption.tab{
  backdrop-filter: blur(10px);
}

#tab-nickoption select{
  color: #00d4ff;
  background-color: #111;
}

#tab-nickoption select option{
  color: #fff;
  background-color: #111;
}

#tab-nickoption select{
  color-scheme: dark;
}
/* ===== Neo-dark 닉네임옵션 setting_info.php 끝 ===== */

/* ===== Neo Dark Avatar Tab ===== */
#tab-avatar{
  --bg0:#0b0f1a;
  --bg1:#0f1630;
  --panel:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.10);
  --text:#e9ecf5;
  --muted:rgba(233,236,245,.70);
  --accent:#7c5cff;
  --accent2:#00d4ff;
  --radius:18px;

  padding:20px 18px;
  border-radius: var(--radius);
  color:var(--text);
  background:
    radial-gradient(800px 240px at 20% -10%, rgba(124,92,255,.35), transparent 60%),
    radial-gradient(700px 240px at 85% 0%, rgba(0,212,255,.22), transparent 55%),
    linear-gradient(180deg, var(--bg1), var(--bg0));
  border:1px solid var(--line);
  box-shadow:
    0 20px 60px rgba(0,0,0,.55),
    inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter: blur(12px);
}

/* 제목 */
#tab-avatar h2,
#tab-avatar h3{
  margin: 0 0 14px;
  font-weight:700;
  letter-spacing:.3px;
}

#tab-avatar h3{
  margin-top:26px;
  font-size:14px;
  color:var(--muted);
}

/* 그리드 */
#tab-avatar .avatar-grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(90px,1fr));
  gap:14px;
}

/* 아바타 카드 */
#tab-avatar .avatar-item{
  width:100%;
  aspect-ratio:1/1;
  object-fit:cover;
  border-radius:16px;
  cursor:pointer;
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  box-shadow:
    0 10px 30px rgba(0,0,0,.45),
    inset 0 1px 0 rgba(255,255,255,.05);
  transition:
    transform .18s ease,
    box-shadow .18s ease,
    border-color .18s ease;
}

/* hover */
#tab-avatar .avatar-item:hover{
  transform:translateY(-4px) scale(1.03);
  border-color:rgba(124,92,255,.55);
  box-shadow:
    0 18px 40px rgba(124,92,255,.25),
    0 12px 32px rgba(0,212,255,.18),
    inset 0 1px 0 rgba(255,255,255,.08);
}

/* 선택된 상태 (JS에서 class 추가하면 됨) */
#tab-avatar .avatar-item.selected{
  border:2px solid var(--accent);
  box-shadow:
    0 0 0 3px rgba(124,92,255,.25),
    0 16px 45px rgba(124,92,255,.35);
  transform:scale(1.05);
}

/* 업로드 영역 */
#tab-avatar form{
  margin-top:12px;
}

#tab-avatar input[type="file"]{
  width:100%;
  padding:12px;
  border-radius:14px;
  border:1px dashed rgba(255,255,255,.18);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  color:var(--muted);
  cursor:pointer;
  transition:all .2s ease;
}

#tab-avatar input[type="file"]:hover{
  border-color:rgba(124,92,255,.55);
  box-shadow:0 0 0 3px rgba(124,92,255,.18);
}

/* file 버튼 커스터마이징 (webkit) */
#tab-avatar input[type="file"]::file-selector-button{
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  border:0;
  padding:8px 14px;
  border-radius:12px;
  color:#0b0f1a;
  font-weight:700;
  cursor:pointer;
  margin-right:12px;
  transition:all .15s ease;
}

#tab-avatar input[type="file"]::file-selector-button:hover{
  filter:brightness(1.05);
  transform:translateY(-1px);
}