/* =========================================================
   BoomArena — Settings v3.0 "SYSTEM CONFIG"
   ========================================================= */

.sc-page {
  min-height: 100vh;
  padding-top: var(--nav-height);
  background: #060610;
  color: #e0e0f8;
  position: relative;
}

/* Header */
.sc-header {
  position: relative;
  padding: 2.5rem 3rem 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.sc-header-inner { max-width: 860px; margin: 0 auto; }
.sc-header-tag {
  font-family: var(--font-display);
  font-size: 0.5rem;
  letter-spacing: 0.35em;
  color: rgba(0,229,255,0.5);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.sc-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem,4vw,2.4rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: #fff;
  margin: 0;
  text-shadow: 0 0 30px rgba(0,229,255,0.2);
}

/* Layout */
.sc-layout {
  max-width: 860px;
  margin: 2rem auto 5rem;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Panels */
.sc-panel {
  background: #080818;
  border: 1px solid rgba(255,255,255,0.07);
  overflow: hidden;
}
.sc-panel-danger { border-color: rgba(255,45,149,0.2); }

.sc-panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.sc-panel-danger .sc-panel-head { border-bottom-color: rgba(255,45,149,0.1); }
.sc-panel-icon { font-size: 1rem; }
.sc-panel-title {
  font-family: var(--font-display);
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.5);
}
.sc-panel-body { padding: 6px 0; }

/* Rows */
.sc-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.sc-row:last-child { border-bottom: none; }
.sc-row-label { display: flex; flex-direction: column; gap: 2px; }
.sc-row-key {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.8);
}
.sc-row-desc {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.3);
}

/* Toggle */
.sc-toggle { position: relative; display: inline-block; cursor: pointer; }
.sc-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.sc-toggle-track {
  display: block;
  width: 44px; height: 24px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  position: relative;
  transition: background 0.2s, border-color 0.2s;
}
.sc-toggle input:checked ~ .sc-toggle-track {
  background: rgba(0,229,255,0.2);
  border-color: rgba(0,229,255,0.5);
}
.sc-toggle-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transition: transform 0.2s, background 0.2s;
  box-shadow: 0 0 4px rgba(0,0,0,0.3);
}
.sc-toggle input:checked ~ .sc-toggle-track .sc-toggle-thumb {
  transform: translateX(20px);
  background: #00e5ff;
  box-shadow: 0 0 8px rgba(0,229,255,0.6);
}

/* Slider */
.sc-slider-wrap { width: 180px; display: flex; align-items: center; }
.sc-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.1);
  outline: none;
  border-radius: 2px;
}
.sc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #00e5ff;
  box-shadow: 0 0 8px rgba(0,229,255,0.5);
  cursor: pointer;
}

/* Language grid */
.sc-lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 2px;
  padding: 12px 20px;
}
.sc-lang-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.sc-lang-btn:hover { background: rgba(255,255,255,0.05); border-color: rgba(0,229,255,0.2); }
.sc-lang-btn.active { background: rgba(0,229,255,0.08); border-color: rgba(0,229,255,0.4); color: #fff; }
.sc-lang-flag { font-size: 1.1rem; }
.sc-lang-name { font-family: var(--font-display); font-size: 0.55rem; letter-spacing: 0.1em; text-transform: uppercase; }
.sc-active-dot { width: 6px; height: 6px; border-radius: 50%; background: #00e5ff; position: absolute; top: 8px; right: 8px; box-shadow: 0 0 6px rgba(0,229,255,0.8); }

/* Danger */
.sc-danger-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 16px 20px;
}
.sc-danger-btn {
  font-family: var(--font-display);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 10px 20px;
  background: rgba(255,45,149,0.1);
  border: 1px solid rgba(255,45,149,0.4);
  color: #ff2d95;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}
.sc-danger-btn:hover { background: rgba(255,45,149,0.22); }

@media (max-width: 768px) {
  .sc-header { padding: 2rem 1.5rem 1.5rem; }
  .sc-layout { padding: 0 1.5rem; }
  .sc-lang-grid { grid-template-columns: repeat(3,1fr); }
  .sc-danger-row { flex-direction: column; gap: 1rem; align-items: flex-start; }
}
@media (max-width: 600px) {
  .sc-header { padding: 1.5rem 1rem; }
  .sc-layout { padding: 0 1rem; }
  .sc-slider-wrap { width: 120px; }
  .sc-lang-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 480px) {
  .sc-header { padding: 1rem; }
  .sc-layout { padding: 0 0.75rem; margin-top: 1.5rem; gap: 0.75rem; }
  .sc-panel-head { padding: 10px 14px; font-size: 0.52rem; }
  .sc-row { padding: 12px 14px; gap: 0.75rem; flex-wrap: wrap; }
  .sc-label-group { flex: 1 1 100%; }
  .sc-slider-wrap { width: 100%; }
  .sc-toggle-wrap { align-self: flex-end; }
  .sc-lang-grid { grid-template-columns: repeat(2,1fr); gap: 2px; }
  .sc-lang-btn { padding: 8px 10px; gap: 6px; }
  .sc-lang-name { font-size: 0.48rem; }
  .sc-danger-btn { width: 100%; text-align: center; justify-content: center; }
  .sc-danger-row { padding: 12px 14px; }
}