/* ── PERFORMANCE PAGE ── */
#page-performance {
  padding: 0 16px 24px;
}

/* Card wrapper */
.perf-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 12px 16px;
  border: 1.5px solid rgba(0,180,255,.4);
  border-radius: 14px;
  box-shadow: 0 0 0 1px rgba(0,180,255,.08), 0 0 22px rgba(0,180,255,.1);
  background: rgba(0,180,255,.015);
  padding: 14px;
}
.perf-hd {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
}
.perf-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .18em;
  color: rgb(0,220,255);
  text-shadow: 0 0 8px rgba(0,200,255,.8), 0 0 20px rgba(0,180,255,.4);
}

/* ── ADVANCED PANEL ── */
.perf-adv {
  padding: 10px 12px;
  background: rgba(0,180,255,.03);
  border: 1px solid rgba(0,180,255,.1);
  border-radius: 10px;
}
.perf-adv-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.perf-adv-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 80px;
}
.perf-adv-label {
  font-family: 'Rajdhani', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .06em;
  text-transform: uppercase;
  text-align: center;
}
.perf-adv-input {
  background: rgba(0,180,255,.05);
  border: 1px solid rgba(0,180,255,.2);
  border-radius: 6px;
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 8px;
  width: 100%;
  outline: none;
  transition: border-color .15s;
}
.perf-adv-input:focus { border-color: rgba(0,210,255,.5); }
.perf-adv-input::-webkit-outer-spin-button,
.perf-adv-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.perf-adv-input[type=number] { -moz-appearance: textfield; }
.perf-adv-sep {
  width: 1px;
  height: 36px;
  background: rgba(0,180,255,.08);
  flex-shrink: 0;
}

/* ── RESIZE ROW ── */
.perf-resize-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.perf-screen-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 8px 12px;
  background: rgba(0,180,255,.03);
  border: 1px solid rgba(0,180,255,.14);
  border-radius: 8px;
  min-width: 110px;
  flex-shrink: 0;
}
.perf-screen-res {
  font-family: 'Rajdhani', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .04em;
  line-height: 1;
}
.perf-screen-label {
  font-family: 'Rajdhani', sans-serif;
  font-size: 9px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ── PRESET BUTTONS ── */
.perf-preset-row {
  display: flex;
  gap: 8px;
}
.perf-preset-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 10px;
  background: rgba(0,180,255,.04);
  border: 1px solid rgba(0,180,255,.18);
  border-radius: 8px;
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.perf-preset-icon { font-size: 11px; opacity: .7; letter-spacing: 0; }
.perf-preset-size { font-size: 10px; font-weight: 500; opacity: .55; letter-spacing: .01em; }
.perf-preset-btn:hover {
  background: rgba(0,180,255,.12);
  border-color: rgba(0,210,255,.4);
  color: #fff;
}
.perf-preset-btn:active { transform: scale(.97); }
.perf-preset-btn.running { border-color: rgba(255,80,80,.5); color: rgba(255,120,120,.8); }
.perf-preset-btn.active {
  background: rgba(0,180,255,.18);
  border-color: rgba(0,220,255,.7);
  color: #fff;
  box-shadow: 0 0 16px rgba(0,180,255,.3);
}
.perf-preset-btn--primary {
  background: rgba(0,180,255,.1);
  border-color: rgba(0,210,255,.4);
  color: var(--text);
  font-size: 13px;
  letter-spacing: .1em;
}
.perf-preset-btn--primary:hover {
  background: rgba(0,180,255,.2);
  border-color: rgba(0,230,255,.65);
  box-shadow: 0 0 14px rgba(0,180,255,.2);
}

/* ── ACTION TOGGLE BUTTONS (Bỏ viền / Hiện tên / Thu cửa sổ / etc.) ── */
.perf-btn-row {
  display: flex;
  gap: 8px;
  padding: 2px 0;
}
.perf-action-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 12px 6px;
  background: rgba(0,180,255,.05);
  border: 1px solid rgba(0,180,255,.18);
  border-radius: 10px;
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .03em;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
  line-height: 1.3;
  text-align: center;
}
.perf-action-btn svg { color: rgb(0,210,255); opacity: .7; transition: opacity .15s; }
.perf-action-btn:hover {
  background: rgba(0,180,255,.12);
  border-color: rgba(0,210,255,.4);
  color: #fff;
  box-shadow: 0 0 12px rgba(0,180,255,.15);
}
.perf-action-btn:hover svg { opacity: 1; }
.perf-action-btn.active svg { opacity: 1; }
.perf-action-btn.active {
  background: rgba(0,180,255,.18);
  border-color: rgba(0,220,255,.55);
  color: #fff;
  box-shadow: 0 0 16px rgba(0,180,255,.2);
}
.perf-action-btn:active { transform: scale(.97); }

/* ── DỌN RAM — Threshold button override ── */
/* Override flex-direction for the RAM threshold button (text must be inline, not stacked) */
#ram-threshold-btn {
  flex-direction: row;
  gap: 6px;
  white-space: nowrap;
  font-size: 12px;
  justify-content: center;
}

/* Inline threshold input that expands when active */
.ram-thr-inline {
  width: 100%;
  background: rgba(0,180,255,.06);
  border: 1px solid rgba(0,180,255,.25);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color .15s;
}
.ram-thr-inline:focus-within { border-color: rgba(0,210,255,.5); }
.ram-thr-inp {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 20px;
  font-weight: 700;
  padding: 8px 12px;
  outline: none;
  text-align: center;
  box-sizing: border-box;
}
.ram-thr-inp::-webkit-outer-spin-button,
.ram-thr-inp::-webkit-inner-spin-button { -webkit-appearance: none; }
.ram-thr-inp[type=number] { -moz-appearance: textfield; }

/* Điện thoại: hàng Resize không tràn ngang */
@media (max-width: 600px) {
  .perf-resize-row { flex-wrap: wrap; }
  .perf-resize-row .perf-preset-btn { flex: 1 1 40%; }
  .perf-screen-info { order: -1; flex: 1 1 100%; min-width: 0; }
}