/* ═══ TNT Settings Center — Production Responsive ═══ */
:root {
  --sc-bg: var(--bg, #0d0d1a);
  --sc-surface: var(--card-bg, #141425);
  --sc-surface-hover: #1a1a32;
  --sc-border: rgba(255,255,255,.06);
  --sc-border-hover: rgba(255,107,26,.2);
  --sc-text: #fff;
  --sc-muted: rgba(255,255,255,.5);
  --sc-accent: #ff6b1a;
  --sc-accent-dim: rgba(255,107,26,.08);
  --sc-radius: 16px;
  --sc-radius-sm: 12px;
  --sc-radius-xs: 8px;
}

/* --- View container override --- */
#view-settings {
  padding-top: 0 !important;
}
#view-settings.active {
  display: flex !important;
  flex-direction: column;
}

/* --- Main Container --- */
.sc {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.08) transparent;
}
.sc::-webkit-scrollbar { width: 6px; }
.sc::-webkit-scrollbar-track { background: transparent; }
.sc::-webkit-scrollbar-thumb { background: rgba(255,255,255,.08); border-radius: 3px; }

/* --- Header --- */
.sc-head {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--sc-bg);
  border-bottom: 1px solid var(--sc-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.sc-back {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--sc-border);
  color: var(--sc-text);
  cursor: pointer;
  transition: all .15s ease;
}
.sc-back:hover { background: rgba(255,107,26,.12); border-color: var(--sc-border-hover); }
.sc-back:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 2px; }
.sc-back svg { width: 18px; height: 18px; }
.sc-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.02em;
}

/* --- Search --- */
.sc-search-wrap {
  position: relative;
  padding: 10px 16px 14px;
}
.sc-search-icon {
  position: absolute;
  left: 30px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--sc-muted);
  pointer-events: none;
  display: flex;
}
.sc-search {
  width: 100%;
  padding: 12px 36px 12px 42px;
  border-radius: var(--sc-radius-sm);
  border: 1px solid var(--sc-border);
  background: rgba(255,255,255,.03);
  color: var(--sc-text);
  font-size: 14px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.sc-search:focus {
  border-color: var(--sc-accent);
  box-shadow: 0 0 0 3px rgba(255,107,26,.1);
}
.sc-search::placeholder { color: rgba(255,255,255,.3); }
.sc-search-clear {
  position: absolute;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.1);
  border: none;
  color: var(--sc-text);
  font-size: 14px;
  cursor: pointer;
  transition: background .15s;
}
.sc-search-clear:hover { background: rgba(255,255,255,.18); }
.sc-search.has-val ~ .sc-search-clear { display: flex; }

/* --- Body/Content --- */
.sc-body {
  flex: 1;
  padding: 0 16px 100px;
}

/* === USER HEADER CARD === */
.sc-user-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  margin: 4px 0 20px;
  background: linear-gradient(135deg, rgba(255,107,26,.06), rgba(255,77,142,.03));
  border: 1px solid rgba(255,107,26,.15);
  border-radius: var(--sc-radius);
  transition: border-color .2s;
}
.sc-user-header:hover { border-color: rgba(255,107,26,.3); }
.sc-user-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2.5px solid rgba(255,107,26,.4);
  box-shadow: 0 0 16px rgba(255,107,26,.12);
  flex-shrink: 0;
}
.sc-user-avatar-fallback {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, #4a2c1a, #ff6b1a);
  border: 2.5px solid rgba(255,107,26,.4);
  flex-shrink: 0;
}
.sc-user-info {
  flex: 1;
  min-width: 0;
}
.sc-user-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--sc-text);
  display: flex;
  align-items: center;
  gap: 6px;
}
.sc-user-handle {
  font-size: 13px;
  color: var(--sc-muted);
  margin-top: 3px;
}
.sc-user-email {
  font-size: 12px;
  color: rgba(255,255,255,.35);
  margin-top: 2px;
}
.sc-user-edit {
  padding: 8px 18px;
  border-radius: var(--sc-radius-xs);
  border: 1px solid rgba(255,107,26,.3);
  background: rgba(255,107,26,.08);
  color: var(--sc-accent);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  flex-shrink: 0;
  white-space: nowrap;
}
.sc-user-edit:hover { background: rgba(255,107,26,.15); border-color: rgba(255,107,26,.5); }
.sc-user-edit:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 2px; }

/* === CATEGORY GRID === */
.sc-cats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 24px;
}
.sc-cat-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border-radius: var(--sc-radius-sm);
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  cursor: pointer;
  transition: all .18s ease;
  min-height: 64px;
}
.sc-cat-card:hover {
  background: var(--sc-surface-hover);
  border-color: var(--sc-border-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
}
.sc-cat-card:active { transform: scale(.98); }
.sc-cat-card:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 2px; }
.sc-cat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sc-cat-icon svg { width: 20px; height: 20px; }
.sc-cat-body { flex: 1; min-width: 0; }
.sc-cat-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--sc-text);
  line-height: 1.3;
}
.sc-cat-desc {
  font-size: 12px;
  color: var(--sc-muted);
  margin-top: 2px;
  line-height: 1.3;
}
.sc-cat-chev {
  color: rgba(255,255,255,.2);
  font-size: 18px;
  font-weight: 300;
  flex-shrink: 0;
  transition: color .15s;
}
.sc-cat-card:hover .sc-cat-chev { color: var(--sc-accent); }

/* === SECTION TITLES === */
.sc-section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--sc-muted);
  padding: 18px 4px 8px;
}

/* === DANGER ZONE === */
.sc-danger {
  margin-top: 8px;
  padding: 20px;
  border-radius: var(--sc-radius);
  border: 1px solid rgba(255,77,94,.18);
  background: rgba(255,77,94,.03);
}
.sc-danger-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #ff4d5e;
  margin-bottom: 14px;
}
.sc-danger-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.sc-danger-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--sc-radius-sm);
  background: rgba(255,77,94,.04);
  border: 1px solid rgba(255,77,94,.12);
  cursor: pointer;
  transition: all .15s;
}
.sc-danger-card:hover {
  background: rgba(255,77,94,.08);
  border-color: rgba(255,77,94,.25);
}
.sc-danger-card:focus-visible { outline: 2px solid #ff4d5e; outline-offset: 2px; }
.sc-danger-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,77,94,.1);
  color: #ff4d5e;
  flex-shrink: 0;
}
.sc-danger-icon svg { width: 18px; height: 18px; }
.sc-danger-body { flex: 1; }
.sc-danger-label {
  font-size: 14px;
  font-weight: 600;
  color: #ff4d5e;
}
.sc-danger-desc {
  font-size: 12px;
  color: var(--sc-muted);
  margin-top: 2px;
}
.sc-danger-chev {
  color: rgba(255,77,94,.4);
  font-size: 18px;
  flex-shrink: 0;
}

/* === FOOTER === */
.sc-footer {
  text-align: center;
  padding: 24px;
  font-size: 12px;
  color: rgba(255,255,255,.25);
}

/* === CATEGORY ROWS (inside sub-panels) === */
.sc-cat { margin-bottom: 8px; }
.sc-cat-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--sc-muted);
  padding: 14px 4px 6px;
}
.sc-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--sc-radius-sm);
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  margin-bottom: 8px;
  cursor: pointer;
  transition: all .15s;
}
.sc-row:hover { border-color: var(--sc-border-hover); background: var(--sc-surface-hover); }
.sc-row:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 2px; }
.sc-row-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sc-row-icon svg { width: 18px; height: 18px; }
.sc-row-body { flex: 1; min-width: 0; }
.sc-row-label { font-size: 14px; font-weight: 600; color: var(--sc-text); }
.sc-row-desc { font-size: 12px; color: var(--sc-muted); margin-top: 2px; }
.sc-row-chev {
  color: rgba(255,255,255,.2);
  font-size: 18px;
  font-weight: 300;
  flex-shrink: 0;
}
.sc-row:hover .sc-row-chev { color: var(--sc-accent); }
.sc-row--danger .sc-row-label { color: #ff4d5e; }

/* === SUB-PANEL === */
.sc-sub {
  position: absolute;
  inset: 0;
  background: var(--sc-bg);
  z-index: 5;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .28s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
  overflow-x: hidden;
}
.sc-sub.sc-sub-in { transform: translateX(0); }
.sc-sub-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--sc-border);
  position: sticky;
  top: 0;
  background: var(--sc-bg);
  z-index: 2;
  backdrop-filter: blur(12px);
}
.sc-sub-back {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--sc-border);
  color: var(--sc-text);
  cursor: pointer;
  transition: all .15s;
}
.sc-sub-back:hover { background: rgba(255,107,26,.12); }
.sc-sub-back:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 2px; }
.sc-sub-back svg { width: 18px; height: 18px; }
.sc-sub-title { font-size: 17px; font-weight: 700; }
.sc-sub-body { padding: 16px; flex: 1; }

/* === TOGGLE ROWS === */
.sc-trow {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--sc-radius-sm);
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  margin-bottom: 8px;
}
.sc-trow-body { flex: 1; min-width: 0; }
.sc-trow-label { font-size: 14px; font-weight: 600; color: var(--sc-text); }
.sc-trow-desc { font-size: 12px; color: var(--sc-muted); margin-top: 2px; }

/* Toggle switch */
.sc-toggle {
  position: relative;
  display: inline-flex;
  width: 46px;
  height: 26px;
  flex-shrink: 0;
  cursor: pointer;
}
.sc-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.sc-toggle-track {
  position: absolute;
  inset: 0;
  border-radius: 13px;
  background: rgba(255,255,255,.12);
  transition: background .2s;
}
.sc-toggle input:checked ~ .sc-toggle-track { background: var(--sc-accent); }
.sc-toggle input:focus-visible ~ .sc-toggle-track { box-shadow: 0 0 0 3px rgba(255,107,26,.3); }
.sc-toggle-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  transition: transform .2s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 1px 3px rgba(0,0,0,.3);
}
.sc-toggle input:checked ~ .sc-toggle-knob { transform: translateX(20px); }

/* === SELECT ROWS === */
.sc-sel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--sc-radius-sm);
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  margin-bottom: 8px;
  position: relative;
}
.sc-sel-body { flex: 1; }
.sc-sel-label { font-size: 14px; font-weight: 600; color: var(--sc-text); }
.sc-sel-val { font-size: 12px; color: var(--sc-accent); margin-top: 2px; }
.sc-sel select {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  font-size: 16px;
}

/* === INFO BOXES === */
.sc-info {
  padding: 12px 16px;
  border-radius: var(--sc-radius-xs);
  background: rgba(92,243,255,.04);
  border: 1px solid rgba(92,243,255,.1);
  color: rgba(255,255,255,.6);
  font-size: 12px;
  line-height: 1.5;
  margin-top: 12px;
}
.sc-sh {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--sc-muted);
  padding: 18px 0 8px;
}

/* === SKELETON LOADING === */
.sc-skel {
  height: 56px;
  border-radius: var(--sc-radius-sm);
  background: linear-gradient(90deg, rgba(255,255,255,.03) 25%, rgba(255,255,255,.06) 50%, rgba(255,255,255,.03) 75%);
  background-size: 200% 100%;
  animation: sc-shimmer 1.5s infinite;
  margin-bottom: 8px;
}
@keyframes sc-shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* === EMPTY STATE === */
.sc-empty {
  text-align: center;
  padding: 48px 20px;
  color: rgba(255,255,255,.4);
}

/* === SESSION ROWS === */
.sc-session {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--sc-radius-sm);
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  margin-bottom: 8px;
}
.sc-session-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(52,211,153,.1);
  color: #34d399;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sc-session-icon svg { width: 18px; height: 18px; }
.sc-session-body { flex: 1; min-width: 0; }
.sc-session-name { font-size: 14px; font-weight: 600; color: var(--sc-text); }
.sc-session-meta { font-size: 12px; color: var(--sc-muted); margin-top: 2px; }
.sc-session-badge {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(74,222,128,.12);
  color: #4ade80;
  border: 1px solid rgba(74,222,128,.2);
}
.sc-session-revoke {
  padding: 6px 14px;
  border-radius: var(--sc-radius-xs);
  border: 1px solid rgba(255,77,94,.3);
  background: rgba(255,77,94,.08);
  color: #ff4d5e;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
.sc-session-revoke:hover { background: rgba(255,77,94,.15); }

/* === BUTTONS === */
.sc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: var(--sc-radius-xs);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  border: none;
  width: 100%;
}
.sc-btn--primary {
  background: var(--sc-accent);
  color: #fff;
}
.sc-btn--primary:hover { background: #e55d14; }
.sc-btn--ghost {
  background: rgba(255,255,255,.05);
  color: var(--sc-text);
  border: 1px solid var(--sc-border);
}
.sc-btn--ghost:hover { background: rgba(255,255,255,.08); }
.sc-btn--danger {
  background: rgba(255,77,94,.12);
  color: #ff4d5e;
  border: 1px solid rgba(255,77,94,.25);
}
.sc-btn--danger:hover { background: rgba(255,77,94,.2); }
.sc-btn:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 2px; }

/* ===================================================
   RESPONSIVE BREAKPOINTS
   =================================================== */

/* --- Large phones (360px+) --- */
@media (min-width: 360px) {
  .sc-user-header { padding: 20px 18px; }
  .sc-body { padding: 0 16px 100px; }
}

/* --- Tablets (600px+) --- */
@media (min-width: 600px) {
  .sc-head { padding: 16px 24px; }
  .sc-search-wrap { padding: 12px 24px 16px; }
  .sc-search-icon { left: 38px; }
  .sc-search-clear { right: 38px; }
  .sc-body { padding: 0 24px 100px; }
  .sc-cats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .sc-danger-grid { grid-template-columns: repeat(2, 1fr); }
  .sc-user-header { padding: 22px 24px; gap: 18px; }
  .sc-user-avatar, .sc-user-avatar-fallback { width: 60px; height: 60px; }
  .sc-user-name { font-size: 17px; }
  .sc-sub-body { padding: 20px 24px; }
}

/* --- Small desktop (768px+) --- */
@media (min-width: 768px) {
  .sc-body {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px 100px;
  }
  .sc-search-wrap {
    max-width: 768px;
    margin: 0 auto;
    padding: 12px 24px 16px;
  }
  .sc-cats-grid { gap: 14px; }
  .sc-cat-card { padding: 18px 16px; }
  .sc-cat-icon { width: 42px; height: 42px; }
  .sc-cat-icon svg { width: 22px; height: 22px; }
  .sc-cat-label { font-size: 15px; }
  .sc-cat-desc { font-size: 13px; }
  .sc-title { font-size: 20px; }
  .sc-sub-body {
    max-width: 640px;
    margin: 0 auto;
    padding: 24px;
  }
}

/* --- Desktop (1024px+) --- */
@media (min-width: 1024px) {
  .sc-body {
    max-width: 860px;
    padding: 0 32px 100px;
  }
  .sc-search-wrap {
    max-width: 908px;
    padding: 14px 32px 18px;
  }
  .sc-head { padding: 16px 32px; }
  .sc-cats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
  .sc-cat-card {
    padding: 20px 18px;
    min-height: 72px;
  }
  .sc-cat-icon { width: 44px; height: 44px; border-radius: 12px; }
  .sc-cat-icon svg { width: 22px; height: 22px; }
  .sc-cat-label { font-size: 15px; }
  .sc-cat-desc { font-size: 13px; margin-top: 3px; }
  .sc-user-header {
    padding: 24px 28px;
    gap: 20px;
  }
  .sc-user-avatar, .sc-user-avatar-fallback {
    width: 68px;
    height: 68px;
    font-size: 26px;
  }
  .sc-user-name { font-size: 18px; }
  .sc-user-handle { font-size: 14px; }
  .sc-user-email { font-size: 13px; }
  .sc-user-edit { padding: 10px 22px; font-size: 14px; }
  .sc-danger { padding: 24px; }
  .sc-danger-card { padding: 16px 18px; }
  .sc-sub-body {
    max-width: 720px;
    padding: 28px 32px;
  }
  .sc-trow { padding: 16px 18px; }
  .sc-trow-label { font-size: 15px; }
  .sc-sel { padding: 16px 18px; }
  .sc-sel-label { font-size: 15px; }
  .sc-row { padding: 16px 18px; }
  .sc-row-label { font-size: 15px; }
}

/* --- Large desktop (1440px+) --- */
@media (min-width: 1440px) {
  .sc-body {
    max-width: 1000px;
  }
  .sc-search-wrap {
    max-width: 1048px;
  }
  .sc-cats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
  .sc-cat-card {
    padding: 22px 20px;
    min-height: 80px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    position: relative;
  }
  .sc-cat-card .sc-cat-chev {
    position: absolute;
    top: 16px;
    right: 16px;
  }
  .sc-cat-icon { width: 46px; height: 46px; }
  .sc-cat-icon svg { width: 24px; height: 24px; }
  .sc-cat-label { font-size: 15px; }
  .sc-danger-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .sc-user-header {
    padding: 28px 32px;
  }
  .sc-user-avatar, .sc-user-avatar-fallback {
    width: 72px;
    height: 72px;
  }
}

/* --- Ultrawide (1920px+) --- */
@media (min-width: 1920px) {
  .sc-body { max-width: 1100px; }
  .sc-search-wrap { max-width: 1148px; }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  .sc-cat-card, .sc-row, .sc-danger-card, .sc-sub, .sc-toggle-knob { transition: none; }
  .sc-skel { animation: none; background: rgba(255,255,255,.04); }
}