/* ═══════════════════════════════════════════════════════
   AI Cycle Finder — Spectrum Analysis Overlay
   Prefix: sp-
   ═══════════════════════════════════════════════════════ */

/* ── Overlay shell ──
   z-index 10000 > cycles dashboard (9999), so when opened from within
   the cycles modal the spectrum finder appears on top. */
.sp-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--overlay-bg, rgba(0,0,0,.55));
  backdrop-filter: var(--overlay-blur, blur(6px));
  display: flex;
  align-items: center;
  justify-content: center;
}

.sp-frame {
  width: 94vw;
  height: 90vh;
  max-width: 1700px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--overlay-shadow, 0 24px 80px rgba(0,0,0,.6));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: var(--text);
}

/* ── Header ── */
.sp-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--surface-raised);
  flex-shrink: 0;
}
.sp-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}
.sp-header-left svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--blue, var(--blue));
  stroke-width: 2;
  flex-shrink: 0;
}
.sp-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-bright);
  white-space: nowrap;
}
.sp-symbol {
  font-size: 0.88rem;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sp-close {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--ease);
  flex-shrink: 0;
}
.sp-close:hover {
  background: var(--hover-medium);
  color: var(--text-bright);
}

.sp-back-cycles {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ease);
  flex-shrink: 0;
  margin-right: 4px;
}
.sp-back-cycles:hover {
  background: var(--hover-medium);
  border-color: var(--border-hi);
  color: var(--text-bright);
}
.sp-back-cycles svg { stroke: currentColor; }

/* ── Body: sidebar + main + peaks ── */
.sp-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* ── Sidebar (left) ── */
.sp-sidebar {
  width: 260px;
  background: var(--panel);
  border-right: 1px solid var(--surface-raised);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 12px;
  gap: 10px;
  flex-shrink: 0;
}
.sp-sidebar::-webkit-scrollbar { width: 4px; }
.sp-sidebar::-webkit-scrollbar-thumb { background: var(--surface-border); border-radius: 2px; }

/* Analysis type tabs (horizontal, above chart) */
.sp-type-tabs {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--surface-raised);
  flex-shrink: 0;
}
.sp-type-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  background: rgba(167,139,250,.08);
  border: 1px solid rgba(167,139,250,.18);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  transition: all var(--ease);
  white-space: nowrap;
}
.sp-type-btn svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  flex-shrink: 0;
}
.sp-type-btn:hover {
  color: var(--purple);
  background: rgba(167,139,250,.14);
  border-color: rgba(167,139,250,.30);
}
.sp-type-btn.active {
  background: rgba(167,139,250,.22);
  border-color: rgba(167,139,250,.45);
  color: var(--purple);
  font-weight: 600;
}

/* Settings sections */
.sp-section {
  background: var(--surface-veil);
  border: 1px solid var(--surface-raised);
  border-radius: var(--radius-sm);
  padding: 10px;
}
.sp-section-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

/* Form row */
.sp-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.sp-row:last-child { margin-bottom: 0; }
.sp-row label {
  font-size: 0.85rem;
  color: var(--text);
}

/* Inputs & selects */
.sp-select, .sp-input {
  background: var(--divider-soft);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  color: var(--text-bright);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  padding: 4px 8px;
  outline: none;
  transition: border-color var(--ease);
}
.sp-select:focus, .sp-input:focus { border-color: var(--blue); }
.sp-select { cursor: pointer; }
.sp-select option { background: var(--card); color: var(--text); }
.sp-input { width: 65px; text-align: center; }

/* Range preset buttons */
.sp-range-presets {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}
.sp-range-btn {
  flex: 1;
  padding: 5px 4px;
  background: var(--divider-soft);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--ease);
  text-align: center;
}
.sp-range-btn:hover {
  background: var(--surface-border);
  color: var(--text);
}
.sp-range-btn.active {
  background: var(--pill-active-bg, rgba(77,166,255,.18));
  color: var(--pill-active-color, var(--blue));
  border-color: rgba(77,166,255,.35);
  font-weight: 600;
}

/* Year range */
.sp-year-range {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}
.sp-year-input { width: 58px; text-align: center; }

/* Run button */
.sp-btn-run {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 10px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.90rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ease);
  background: var(--blue);
  color: #111;
  margin-top: auto;
}
.sp-btn-run:hover { filter: brightness(1.1); }
.sp-btn-run:disabled { opacity: .5; cursor: not-allowed; }
.sp-btn-run svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

/* ── Main content area ── */
.sp-main {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* Chart view wrapper */
.sp-view-chart {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

/* Chart container */
.sp-chart-container {
  flex: 1;
  min-height: 0;
  position: relative;
  overflow: hidden;
}
.sp-chart-container > div:first-child { width: 100%; height: 100%; }

/* Spinner overlay */
.sp-spinner-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(10,11,15,.85);
  z-index: 10;
  gap: 12px;
}
.sp-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--surface-border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spSpin .8s linear infinite;
}
.sp-spinner-text {
  color: var(--blue);
  font-size: 0.90rem;
  font-weight: 500;
}
@keyframes spSpin { to { transform: rotate(360deg); } }

/* Progress bar */
.sp-progress {
  padding: 4px 16px 8px;
  flex-shrink: 0;
}
.sp-progress-bar {
  height: 5px;
  background: var(--surface-raised);
  border-radius: 3px;
  overflow: hidden;
}
.sp-progress-fill {
  height: 100%;
  background: var(--purple);
  width: 0%;
  transition: width 0.3s ease;
  border-radius: 3px;
}
.sp-progress-text {
  text-align: center;
  font-size: 0.82rem;
  color: var(--purple);
  padding-top: 3px;
}

/* ── Report view ── */
.sp-view-report {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sp-report-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--surface-raised);
  flex-shrink: 0;
}
.sp-back-btn {
  background: transparent;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  padding: 5px 12px;
  cursor: pointer;
  transition: all var(--ease);
}
.sp-back-btn:hover { background: var(--hover-subtle); color: var(--text-bright); }

/* Lang toggle */
.sp-lang-toggle {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.sp-lang-btn {
  background: var(--surface-raised);
  color: var(--text-muted);
  border: 1px solid var(--surface-border);
  padding: 3px 10px;
  font-size: 0.82rem;
  font-family: var(--font-ui);
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--ease);
}
.sp-lang-btn:hover { background: var(--surface-border); }
.sp-lang-btn.active { background: var(--blue); color: #111; border-color: var(--blue); }

.sp-report-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}
.sp-report-content::-webkit-scrollbar { width: 6px; }
.sp-report-content::-webkit-scrollbar-thumb { background: var(--surface-border); border-radius: 3px; }

/* ── Peaks panel (right) ── */
.sp-peaks-panel {
  width: 280px;
  background: var(--panel);
  border-left: 1px solid var(--surface-raised);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}
.sp-peaks-header {
  padding: 10px 12px 8px;
  font-size: 0.90rem;
  font-weight: 600;
  color: var(--text-bright);
  border-bottom: 1px solid var(--surface-raised);
  flex-shrink: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.sp-peaks-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}
.sp-peaks-controls label { font-size: 0.82rem; color: var(--text-muted); }
.sp-peaks-controls select {
  background: var(--divider-soft);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  color: var(--text-bright);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  padding: 2px 4px;
  outline: none;
}

/* Peak source selector (deep research) */
.sp-peaks-source {
  padding: 6px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--surface-raised);
  flex-shrink: 0;
}
.sp-peaks-source label { font-size: 0.82rem; color: var(--text-muted); white-space: nowrap; }
.sp-peaks-source select {
  flex: 1;
  background: var(--divider-soft);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  color: var(--text-bright);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  padding: 3px 6px;
  outline: none;
}

/* Sub-tabs (profit spectrum Long/Short/Combined) */
.sp-peaks-subtabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--surface-border);
  flex-shrink: 0;
}
.sp-peaks-subtab {
  flex: 1;
  padding: 6px 0;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--ease);
}
.sp-peaks-subtab:hover { color: var(--text); }
.sp-peaks-subtab.active { color: var(--text-bright); border-bottom-color: var(--text-bright); }

/* Peaks list */
.sp-peaks-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}
.sp-peaks-list::-webkit-scrollbar { width: 4px; }
.sp-peaks-list::-webkit-scrollbar-thumb { background: var(--surface-border); border-radius: 2px; }

/* Peak item */
.sp-peak-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--surface-veil);
  border: 1px solid var(--surface-raised);
  border-radius: var(--radius-sm);
  margin-bottom: 5px;
  transition: border-color var(--ease);
  cursor: pointer;
  flex-wrap: wrap;
}
.sp-peak-item:hover { border-color: var(--surface-border-hi); }

.sp-peak-rank {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(77,166,255,.12);
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 700;
  flex-shrink: 0;
}
.sp-peak-info { flex: 1; min-width: 0; }
.sp-peak-period { font-size: 0.90rem; font-weight: 600; color: var(--text-bright); }
.sp-peak-years { font-size: 0.82rem; color: var(--text-muted); }
.sp-peak-extra { font-size: 0.82rem; color: var(--amber); }
.sp-peak-power {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--amber);
  margin-left: auto;
  flex-shrink: 0;
}
.sp-peak-gain {
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
  min-width: 52px;
  text-align: right;
}

/* Peak action buttons */
.sp-peak-actions { display: flex; gap: 4px; flex-shrink: 0; }
.sp-peak-btn {
  padding: 3px 8px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ease);
}
.sp-peak-btn-wave { background: var(--blue-dim); color: var(--blue); }
.sp-peak-btn-wave:hover { background: var(--blue-med); }
.sp-peak-btn-cycle { background: var(--amber-dim); color: var(--amber); }
.sp-peak-btn-cycle:hover { background: var(--amber-light); }

/* Degraded / test badges */
.sp-peak-deg {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--red-dim);
  color: var(--red);
  font-size: 0.82rem;
  font-weight: 700;
}
.sp-badge-pass {
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--green-dim);
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 700;
}
.sp-badge-fail {
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(240,80,110,.12);
  color: var(--red);
  font-size: 0.82rem;
  font-weight: 700;
}

/* Peaks bottom actions */
.sp-peaks-bottom {
  padding: 8px;
  border-top: 1px solid var(--surface-raised);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sp-send-all-btn {
  padding: 8px 12px;
  background: rgba(38,217,127,.12);
  color: var(--green);
  border: 1px solid rgba(38,217,127,.25);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: all var(--ease);
}
.sp-send-all-btn:hover { background: rgba(38,217,127,.25); }

.sp-view-report-btn {
  padding: 8px 12px;
  background: rgba(167,139,250,.12);
  color: var(--purple);
  border: 1px solid rgba(167,139,250,.25);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: all var(--ease);
}
.sp-view-report-btn:hover { background: rgba(167,139,250,.25); }

/* Empty state */
.sp-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: 0.90rem;
  text-align: center;
  padding: 30px;
}

/* ── Status bar ── */
.sp-status {
  padding: 5px 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--surface-raised);
  flex-shrink: 0;
}
.sp-status-ok { color: var(--green); }
.sp-status-err { color: var(--red); }

/* ── Report section cards ── */
.sp-report-section {
  background: var(--surface-veil);
  border: 1px solid var(--surface-raised);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
}
.sp-report-section h4 {
  color: var(--amber);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.sp-insight-text {
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 12px;
  font-size: 0.85rem;
}
.sp-insight-text ul { margin: 8px 0; padding-left: 20px; }
.sp-insight-text li { margin-bottom: 4px; }

/* Report tables */
.sp-cycle-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.sp-cycle-table th, .sp-cycle-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--surface-raised);
  color: var(--text);
  white-space: nowrap;
}
.sp-cycle-table th {
  background: var(--divider-soft);
  color: var(--amber);
  font-weight: 600;
  position: sticky;
  top: 0;
}
.sp-cycle-table .sp-row-highlight { background: rgba(38,217,127,.08); }
.sp-cycle-table .sp-row-highlight td { color: var(--green); font-weight: 600; }

.sp-table-container {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-raised);
  margin: 12px 0;
}
.sp-table-container::-webkit-scrollbar { height: 6px; }
.sp-table-container::-webkit-scrollbar-thumb { background: var(--surface-border); border-radius: 3px; }

/* Detail range tabs */
.sp-detail-tabs-container {
  margin: 16px 0;
  background: var(--surface-veil);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--surface-raised);
}
.sp-detail-tabs-header {
  display: flex;
  flex-wrap: wrap;
  background: var(--surface-veil);
  border-bottom: 1px solid var(--surface-raised);
}
.sp-detail-tab-button {
  padding: 10px 16px;
  font-size: 0.85rem;
  font-family: var(--font-ui);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--ease);
  border: none;
  background: none;
  border-right: 1px solid var(--surface-raised);
  white-space: nowrap;
  flex: 1;
  text-align: center;
  min-width: 100px;
}
.sp-detail-tab-button:hover { background: var(--hover-subtle); color: var(--text); }
.sp-detail-tab-button.active { background: var(--blue); color: #111; font-weight: 600; }
.sp-detail-tabs-content { padding: 20px; }

/* ── Timing peak items (custom layout) ── */
.sp-timing-bar {
  flex: 1;
  height: 4px;
  background: var(--surface-raised);
  border-radius: 2px;
}
.sp-timing-bar-fill {
  height: 100%;
  background: var(--blue);
  border-radius: 2px;
}