/* ============================================================
   TRADE GRID — settings-fab.css
   Settings floating button + panel (landing page only)
   ============================================================ */

/* ── Settings FAB (bottom-left, mirrors Masha on the right) ── */
.settings-fab {
  position: fixed;
  bottom: 28px;
  left: 28px;
  z-index: 2000;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0D3B3B 0%, #0FA3B1 100%);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(13,59,59,0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}
body.dark-mode .settings-fab {
  background: linear-gradient(135deg, #011635 0%, #0FA3B1 100%);
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
}
.settings-fab:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 32px rgba(13,59,59,0.4);
}
.settings-fab i {
  font-size: 24px;
  color: #fff;
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
.settings-fab.open i {
  transform: rotate(90deg);
}

/* ── Settings panel ── */
.settings-panel {
  position: fixed;
  bottom: 100px;
  left: 28px;
  z-index: 1999;
  width: 300px;
  background: var(--dm-surface);
  border-radius: 20px;
  border: 1px solid var(--dm-border);
  box-shadow: 0 20px 60px rgba(13,59,59,0.18);
  overflow: hidden;
  /* hidden state */
  transform: scale(0.92) translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s cubic-bezier(0.34,1.56,0.64,1), opacity 0.2s,
              background 0.3s, border-color 0.3s;
}
body.dark-mode .settings-panel {
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.settings-panel.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}

/* Header */
.settings-panel-header {
  background: linear-gradient(135deg, #0D3B3B 0%, #0f4848 100%);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
body.dark-mode .settings-panel-header {
  background: linear-gradient(135deg, #010e24 0%, #021f4a 100%);
}
.settings-panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.2px;
}
.settings-panel-title i {
  font-size: 18px;
  color: #B5EAF0;
}
.settings-panel-close {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(181,234,240,0.1);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(181,234,240,0.8);
  font-size: 16px;
  transition: background 0.2s, color 0.2s;
}
.settings-panel-close:hover {
  background: rgba(181,234,240,0.2);
  color: #fff;
}

/* Body */
.settings-panel-body {
  padding: 20px;
}

/* Section label */
.settings-panel-section-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

/* Setting row */
.settings-panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--dm-border);
}
.settings-panel-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.settings-panel-row-info p {
  font-size: 13px;
  font-weight: 600;
  color: var(--dm-text);
  margin-bottom: 2px;
  transition: color 0.3s;
}
.settings-panel-row-info span {
  font-size: 11px;
  color: var(--text-muted);
}

/* Toggle switch */
.sp-toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.sp-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}
.sp-toggle-slider {
  position: absolute;
  inset: 0;
  background: rgba(13,59,59,0.15);
  border-radius: 24px;
  cursor: pointer;
  transition: background 0.2s;
}
.sp-toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  border-radius: 50%;
  background: white;
  transition: transform 0.2s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.sp-toggle input:checked + .sp-toggle-slider {
  background: #0FA3B1;
}
.sp-toggle input:checked + .sp-toggle-slider::before {
  transform: translateX(20px);
}

/* Footer note */
.settings-panel-footer {
  padding: 0 20px 16px;
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  transition: color 0.3s;
}
.settings-panel-footer span {
  color: #0FA3B1;
  font-weight: 600;
}