/* Strength Training Log v2 - Dark theme (mobile-first)
   Scope: #strength-log-root only
*/

#strength-log-root {
  --bg: #0b0f14;
  --panel: #101826;
  --panel-2: #0f1520;
  --text: #e8eef7;
  --muted: #a7b3c4;
  --border: rgba(255,255,255,0.10);
  --border-2: rgba(255,255,255,0.16);
  --focus: #7dd3fc;
  --primary: #3b82f6;
  --primary-2: #2563eb;
  --danger: #ef4444;
  --danger-2: #dc2626;
  --ghost: rgba(255,255,255,0.06);
  --ghost-2: rgba(255,255,255,0.10);
  --shadow: 0 10px 25px rgba(0,0,0,0.35);

  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.35;
  padding: 12px;
  min-height: 100vh;
}

#strength-log-root.stl-root {
  max-width: 720px;
  margin: 0 auto;
}

/* Card */
#strength-log-root .stl-card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  box-shadow: var(--shadow);
  margin: 10px 0;
}

/* Buttons */
#strength-log-root .stl-btn {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  background: var(--ghost);
  min-height: 44px;
  min-width: 44px;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease, opacity 120ms ease;
}

#strength-log-root .stl-btn:active { transform: translateY(1px); }

#strength-log-root .stl-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

#strength-log-root .stl-btn--ghost { background: var(--ghost); border-color: var(--border); }
#strength-log-root .stl-btn--ghost:hover { background: var(--ghost-2); border-color: var(--border-2); }

#strength-log-root .stl-btn--primary {
  background: linear-gradient(180deg, var(--primary), var(--primary-2));
  border-color: rgba(255,255,255,0.18);
}
#strength-log-root .stl-btn--primary:hover { filter: brightness(1.05); }

#strength-log-root .stl-btn--danger {
  background: linear-gradient(180deg, var(--danger), var(--danger-2));
  border-color: rgba(255,255,255,0.18);
}
#strength-log-root .stl-btn--danger:hover { filter: brightness(1.05); }

/* Inputs & selects */
#strength-log-root .stl-input,
#strength-log-root .stl-select {
  appearance: none;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 14px;
  outline: none;
}

#strength-log-root .stl-select {
  padding-right: 36px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 18px,
    calc(100% - 12px) 18px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

#strength-log-root .stl-input::placeholder { color: rgba(167,179,196,0.6); }

/* Focus state */
#strength-log-root .stl-btn:focus-visible,
#strength-log-root .stl-input:focus-visible,
#strength-log-root .stl-select:focus-visible {
  outline: 3px solid rgba(125, 211, 252, 0.8);
  outline-offset: 2px;
  border-color: rgba(125, 211, 252, 0.9);
}

#strength-log-root .stl-tab {
  border-radius: 999px;
  padding: 10px 14px;
  min-height: 40px;
}

/* Active tab is rendered as disabled in current app */
#strength-log-root .stl-tab:disabled {
  opacity: 1;
  background: rgba(59, 130, 246, 0.22);
  border-color: rgba(59,130,246,0.35);
}

#strength-log-root span { color: var(--muted); }

/* Mobile flex rows wrap */
#strength-log-root div[style*="display: flex"] { flex-wrap: wrap; gap: 8px; }

/* Desktop tweaks */
@media (min-width: 768px) {
  #strength-log-root { padding: 16px; }
  #strength-log-root .stl-card { padding: 14px; }
}

#strength-log-root .stl-current-participant-switcher {
  padding: 6px 0;
}

#strength-log-root .stl-current-participant-switcher--exercise {
  margin-bottom: 4px;
}

#strength-log-root .stl-compare {
  display: inline-block;
  min-width: 1.2em;
  margin-left: 6px;
  font-weight: 700;
  opacity: 0.9;
  color: #fff;
  text-align: center;
}

#strength-log-root .stl-suggested-weight {
  display: inline-block;
  font-size: 12px;
  opacity: 0.8;
  padding: 2px 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
}

#strength-log-root .stl-suggested-weight:focus-visible {
  outline: 2px solid rgba(125, 211, 252, 0.8);
  outline-offset: 1px;
}

#strength-log-root .stl-exercise-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

#strength-log-root .stl-exercise-info-btn {
  min-height: 30px;
  min-width: 30px;
  height: 30px;
  width: 30px;
  padding: 0;
  border-radius: 999px;
  font-weight: 700;
}

#strength-log-root .stl-exercise-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

#strength-log-root .stl-exercise-replace-btn {
  min-height: 30px;
  padding: 4px 10px;
  white-space: nowrap;
}

#strength-log-root .stl-info-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 9999;
}

#strength-log-root .stl-info-modal {
  width: min(460px, 100%);
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border-2);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 12px;
}

#strength-log-root .stl-info-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

#strength-log-root .stl-info-modal-title {
  font-weight: 700;
}

#strength-log-root .stl-info-modal-close {
  min-height: 34px;
  min-width: 34px;
  height: 34px;
  width: 34px;
  padding: 0;
  border-radius: 999px;
}

#strength-log-root .stl-info-modal-body {
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: var(--text);
}

#strength-log-root .stl-session-modal {
  width: min(520px, 100%);
}

#strength-log-root .stl-replace-search {
  width: 100%;
}

#strength-log-root .stl-replace-list {
  max-height: min(50vh, 320px);
  overflow: auto;
  display: grid;
  gap: 6px;
  margin-top: 4px;
}

#strength-log-root .stl-replace-item {
  justify-content: flex-start;
}

#strength-log-root .stl-history-progress-btn {
  min-height: 30px;
  padding: 4px 10px;
  font-size: 12px;
}

#strength-log-root .stl-progress-modal {
  width: min(640px, 100%);
}

#strength-log-root .stl-progress-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

#strength-log-root .stl-progress-chart-wrap {
  position: relative;
}

#strength-log-root .stl-progress-chart {
  width: 100%;
  height: auto;
  display: block;
}

#strength-log-root .stl-progress-axis {
  stroke: rgba(255,255,255,0.25);
  stroke-width: 1;
}

#strength-log-root .stl-progress-line {
  fill: none;
  stroke: var(--focus);
  stroke-width: 2;
}

#strength-log-root .stl-progress-dot {
  fill: #fff;
  stroke: var(--focus);
  stroke-width: 1.5;
  cursor: pointer;
}

#strength-log-root .stl-progress-tooltip {
  position: absolute;
  z-index: 2;
  max-width: 260px;
  font-size: 12px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--border-2);
  background: rgba(10, 16, 28, 0.95);
  color: var(--text);
  pointer-events: none;
}

#strength-log-root .stl-progress-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

#strength-log-root .stl-progress-kpi {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px;
}

#strength-log-root .stl-progress-kpi-label {
  font-size: 12px;
  opacity: 0.85;
}

#strength-log-root .stl-progress-kpi-value {
  margin-top: 2px;
  color: var(--text);
  font-weight: 700;
}