/* ═══════════════════════════════════════════════════════
   WWNC Analyzer — Main Stylesheet
   Variables · Layout · Components
   ═══════════════════════════════════════════════════════ */

:root {
  --bg: #080d12;
  --bg2: #0e1520;
  --bg3: #141e2b;
  --bg4: #1a2535;
  --border: #1f2f42;
  --border2: #2a3f58;
  --text: #c8d8e8;
  --text2: #7a9ab8;
  --text3: #4a6880;
  --green: #00d97e;
  --green-dim: #004d2c;
  --amber: #f6a823;
  --amber-dim: #5a3a00;
  --red: #ef4545;
  --red-dim: #5a0a0a;
  --blue: #3d9be9;
  --blue-dim: #0d2a45;
  --purple: #a78bfa;
  --teal: #2dd4bf;
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'IBM Plex Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 13px;
  min-height: 100vh;
}

/* ── HEADER ── */
.header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 32px; height: 32px;
  background: var(--green);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 11px; font-weight: 600;
  color: var(--bg);
  letter-spacing: -0.5px;
}
.logo-text { font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--text); letter-spacing: 0.05em; }
.logo-sub { color: var(--text3); font-size: 11px; }
.header-meta { display: flex; align-items: center; gap: 16px; font-family: var(--mono); font-size: 11px; color: var(--text3); }
.week-badge { background: var(--bg3); border: 1px solid var(--border); padding: 4px 10px; border-radius: 4px; color: var(--text2); }
.file-loaded { background: var(--green-dim); border: 1px solid var(--green); padding: 4px 10px; border-radius: 4px; color: var(--green); display: none; }

/* ── SESSION BADGE ── */
.session-badge {
  background: var(--blue-dim);
  border: 1px solid var(--blue);
  padding: 4px 10px;
  border-radius: 4px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: default;
}

/* ── MAPPING BANNER ── */
.mapping-banner {
  margin: 0 0 12px 0;
  padding: 10px 16px;
  background: rgba(61,155,233,0.08);
  border: 1px solid var(--blue);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--blue);
  line-height: 1.6;
  position: relative;
}
.mapping-banner .alert-dismiss {
  float: right;
  background: none;
  border: 1px solid var(--blue);
  color: var(--blue);
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 9px;
}
.mapping-banner .alert-dismiss:hover { background: var(--blue); color: var(--bg); }

/* ── SESSION HISTORY PANEL ── */
.session-panel {
  margin: 0 0 12px 0;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.session-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text2);
}
.session-count {
  font-size: 9px;
  background: var(--blue-dim);
  color: var(--blue);
  border: 1px solid var(--blue);
  padding: 1px 7px;
  border-radius: 4px;
  font-weight: 600;
}
.session-list { padding: 4px 0; }
.session-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  font-family: var(--mono);
  font-size: 10px;
  border-bottom: 1px solid var(--border);
}
.session-item:last-child { border-bottom: none; }
.session-num { color: var(--text3); font-weight: 600; width: 22px; }
.session-name { color: var(--text); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.session-meta { color: var(--text3); white-space: nowrap; }
.session-time { color: var(--text3); white-space: nowrap; }
.session-mapped { color: var(--blue); cursor: help; font-size: 9px; }

/* ── TABS ── */
.tab-bar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  gap: 2px;
}
.tab {
  padding: 12px 18px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px; font-weight: 500;
  color: var(--text3);
  letter-spacing: 0.05em;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  white-space: nowrap;
  display: flex; align-items: center; gap: 7px;
}
.tab:hover { color: var(--text2); }
.tab.active { color: var(--green); border-bottom-color: var(--green); }
.tab-badge { background: var(--red); color: white; font-size: 9px; padding: 1px 5px; border-radius: 10px; font-weight: 600; }
.tab-badge.info { background: var(--blue); }

/* ── CONTENT ── */
.content { padding: 24px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── DROP ZONE ── */
.drop-zone {
  border: 2px dashed var(--border2);
  border-radius: 12px;
  padding: 64px 32px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg2);
  max-width: 600px;
  margin: 40px auto;
}
.drop-zone:hover, .drop-zone.drag-over { border-color: var(--green); background: rgba(0,217,126,0.04); }
.drop-icon { font-size: 40px; margin-bottom: 16px; }
.drop-title { font-family: var(--mono); font-size: 15px; color: var(--text); margin-bottom: 8px; }
.drop-sub { color: var(--text3); font-size: 12px; line-height: 1.6; }
.drop-btn {
  margin-top: 20px;
  display: inline-block;
  padding: 10px 24px;
  background: var(--green);
  color: var(--bg);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 12px; font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}
.drop-btn:hover { opacity: 0.85; }

/* ── KPI GRID ── */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-bottom: 24px; }
.kpi-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 16px 20px; }
.kpi-label { font-family: var(--mono); font-size: 10px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.kpi-value { font-family: var(--mono); font-size: 26px; font-weight: 600; color: var(--text); line-height: 1; }
.kpi-value.green { color: var(--green); }
.kpi-value.amber { color: var(--amber); }
.kpi-value.red { color: var(--red); }
.kpi-sub { font-size: 11px; color: var(--text3); margin-top: 4px; font-family: var(--mono); }

/* ── SECTION HEADERS ── */
.section-header { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.section-title { font-family: var(--mono); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text2); }
.section-count { background: var(--bg3); border: 1px solid var(--border); font-family: var(--mono); font-size: 10px; color: var(--text3); padding: 2px 8px; border-radius: 4px; }

/* ── TABLES ── */
.data-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.data-table th { background: var(--bg3); padding: 8px 12px; text-align: left; font-family: var(--mono); font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text3); border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table td { padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.data-table .mono { font-family: var(--mono); }
.data-table .num { font-family: var(--mono); text-align: right; }

/* ── STATUS BADGES ── */
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: 0.05em; }
.badge-failing { background: var(--red-dim); color: var(--red); border: 1px solid var(--red); }
.badge-ipm { background: var(--amber-dim); color: var(--amber); border: 1px solid var(--amber); }
.badge-hold { background: var(--blue-dim); color: var(--blue); border: 1px solid var(--blue); }
.badge-lnd { background: var(--green-dim); color: var(--green); border: 1px solid var(--green); }
.badge-ret { background: rgba(167,139,250,0.15); color: var(--purple); border: 1px solid var(--purple); }
.badge-wwnc { background: var(--bg3); color: var(--text3); border: 1px solid var(--border2); }
.badge-trial { background: rgba(45,212,191,0.1); color: var(--teal); border: 1px solid var(--teal); }
.badge-week { background: var(--bg3); color: var(--text2); border: 1px solid var(--border2); }
.badge-pendiente { background: var(--bg3); color: var(--text3); border: 1px solid var(--border); font-size: 9px; }

/* ── PROGRESS BARS ── */
.progress-label { display: flex; justify-content: space-between; margin-bottom: 4px; font-family: var(--mono); font-size: 10px; }
.progress-bar-bg { height: 8px; background: var(--bg4); border-radius: 4px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 4px; transition: width 0.4s ease; }
.progress-fill.green { background: var(--green); }
.progress-fill.amber { background: var(--amber); }
.progress-fill.red { background: var(--red); }

/* ── CAMPO CARDS ── */
.campo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.campo-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.campo-header { padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); background: var(--bg3); }
.campo-name { font-family: var(--mono); font-size: 14px; font-weight: 600; color: var(--text); }
.campo-meta { font-family: var(--mono); font-size: 10px; color: var(--text3); margin-top: 2px; }
.campo-body { padding: 14px 16px; }
.campo-modes { display: flex; flex-direction: column; gap: 10px; }
.mode-label { font-family: var(--mono); font-size: 10px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; display: flex; align-items: center; justify-content: space-between; }
.campo-blocks { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 4px; }
.block-chip { background: var(--bg3); border: 1px solid var(--border); border-radius: 4px; padding: 2px 7px; font-family: var(--mono); font-size: 10px; color: var(--text2); }

/* ── URGENCY ── */
.urgency-bar { display: flex; align-items: center; gap: 8px; }
.urg-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.urg-critico { background: var(--red); box-shadow: 0 0 6px var(--red); }
.urg-alto { background: var(--amber); }
.urg-medio { background: var(--blue); }

/* ── CALENDAR CARDS ── */
.week-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.week-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.week-card-header { padding: 8px 12px; background: var(--bg3); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); }
.week-num { font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--text); }
.week-date { font-family: var(--mono); font-size: 10px; color: var(--text3); }
.week-body { padding: 10px 12px; }
.week-qty { font-family: var(--mono); font-size: 18px; font-weight: 600; color: var(--green); }
.week-genera { font-size: 11px; color: var(--text2); margin-top: 4px; line-height: 1.5; }

/* ── FILTERS ── */
.filter-bar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }
.filter-select { background: var(--bg2); border: 1px solid var(--border2); color: var(--text2); padding: 7px 12px; border-radius: 6px; font-family: var(--mono); font-size: 11px; cursor: pointer; outline: none; }
.filter-select:focus { border-color: var(--green); }
.filter-input { background: var(--bg2); border: 1px solid var(--border2); color: var(--text); padding: 7px 12px; border-radius: 6px; font-family: var(--mono); font-size: 11px; outline: none; min-width: 220px; }
.filter-input::placeholder { color: var(--text3); }
.filter-input:focus { border-color: var(--green); }

/* ── BUTTONS ── */
.export-bar { display: flex; gap: 10px; margin-bottom: 20px; justify-content: flex-end; }
.btn { padding: 8px 16px; border-radius: 6px; font-family: var(--mono); font-size: 11px; font-weight: 600; cursor: pointer; border: none; transition: opacity 0.15s; display: flex; align-items: center; gap: 6px; }
.btn:hover { opacity: 0.85; }
.btn-green { background: var(--green); color: var(--bg); }
.btn-outline { background: transparent; border: 1px solid var(--border2); color: var(--text2); }

/* ── LAYOUT ── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }

/* ── ALERT ITEMS ── */
.alert-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.alert-item:last-child { border-bottom: none; }
.alert-icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; }
.alert-icon.failing { background: var(--red-dim); }
.alert-icon.ipm { background: var(--amber-dim); }
.alert-icon.hold { background: var(--blue-dim); }
.alert-body { flex: 1; min-width: 0; }
.alert-name { font-size: 12px; font-weight: 500; color: var(--text); margin-bottom: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.alert-meta { font-family: var(--mono); font-size: 10px; color: var(--text3); }
.alert-qty { font-family: var(--mono); font-size: 14px; font-weight: 600; color: var(--text); text-align: right; flex-shrink: 0; }

/* ── DISTRIBUTION BARS ── */
.dist-bar { display: flex; flex-direction: column; gap: 8px; }
.dist-row { display: flex; align-items: center; gap: 10px; }
.dist-label { font-family: var(--mono); font-size: 10px; color: var(--text2); width: 80px; flex-shrink: 0; }
.dist-track { flex: 1; height: 16px; background: var(--bg3); border-radius: 4px; overflow: hidden; }
.dist-fill { height: 100%; border-radius: 4px; }
.dist-num { font-family: var(--mono); font-size: 10px; color: var(--text3); width: 65px; text-align: right; flex-shrink: 0; }

/* ── CHART CONTAINERS ── */
.chart-container { position: relative; height: 280px; }
.chart-container.chart-tall { position: relative; height: 400px; }

/* ── KPI Sell-through Mini Gauge ── */
.kpi-gauge-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}
.kpi-gauge-wrap canvas {
  flex-shrink: 0;
}

/* ── SCROLLBAR ── */
.table-wrap { overflow-x: auto; }
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* ── EMPTY STATE ── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text3); }
.empty-state .icon { font-size: 36px; margin-bottom: 12px; }
.empty-state p { font-family: var(--mono); font-size: 12px; }

/* ── ERROR CONTAINER ── */
#errorContainer { display: none; }
.error-banner {
  padding: 0;
  background: var(--red-dim);
  border: 2px solid var(--red);
  border-radius: 10px;
  margin-bottom: 16px;
  overflow: hidden;
}
.error-header {
  background: var(--red);
  color: var(--bg);
  padding: 10px 18px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.error-body {
  padding: 14px 18px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--red);
  line-height: 1.7;
  word-break: break-word;
  white-space: pre-line;
}
.error-hint {
  padding: 10px 18px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  border-top: 1px solid rgba(239,69,69,0.3);
  line-height: 1.5;
}

/* ── OCCUPANCY ALERT BANNER ── */
#occupancyAlert {
  margin: 0 0 16px 0;
  padding: 14px 18px;
  background: var(--red-dim);
  border: 1px solid var(--red);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--red);
  line-height: 1.6;
}
#occupancyAlert .alert-dismiss {
  float: right;
  background: none;
  border: 1px solid var(--red);
  color: var(--red);
  padding: 2px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 10px;
}
#occupancyAlert .alert-dismiss:hover { background: var(--red); color: var(--bg); }

/* ═══════════════════════════════════════════════════════
   CONFIGURATION PANEL — Density Formulas
   ═══════════════════════════════════════════════════════ */

.config-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 20px;
}

.config-section-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}
.config-section-icon { font-size: 28px; line-height: 1; }
.config-section-title { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.config-section-sub { font-family: var(--mono); font-size: 11px; color: var(--text3); }
.config-modified-badge {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 9px;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid var(--amber);
  letter-spacing: 0.06em;
  align-self: center;
}

/* Formula display */
.formula-box {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 20px;
}
.formula-main {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.formula-var {
  background: var(--bg4);
  border: 1px solid var(--border2);
  padding: 6px 14px;
  border-radius: 6px;
  color: var(--green);
}
.formula-op { color: var(--text3); font-size: 22px; }
.formula-desc {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text3);
  line-height: 1.7;
  text-align: center;
}

/* Example box */
.formula-example {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 8px;
  overflow: hidden;
}
.formula-example-title {
  background: var(--bg4);
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--amber);
  border-bottom: 1px solid var(--border);
}
.formula-example-body { padding: 16px; }
.formula-example-row {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text2);
  margin-bottom: 12px;
}
.formula-example-calc { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.calc-line {
  display: flex;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text2);
  align-items: center;
}
.calc-label { color: var(--text3); min-width: 130px; }
.calc-math { color: var(--text); }
.formula-example-note {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 6px;
}

/* Mode cards */
.mode-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.mode-card {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 8px;
  overflow: hidden;
  border-top-width: 3px;
}
.mode-card-header {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
}
.mode-card-icon { font-size: 18px; }
.mode-card-body { padding: 14px; }
.mode-card-season {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.mode-card-desc {
  font-size: 11px;
  color: var(--text2);
  line-height: 1.5;
  margin-bottom: 12px;
}
.mode-card-values { display: flex; flex-direction: column; gap: 5px; }
.mode-val-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text2);
  padding: 3px 0;
  border-bottom: 1px solid var(--border);
}
.mode-val-row:last-child { border-bottom: none; }

/* Editable density table */
.config-table input.density-input {
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  padding: 8px 6px;
  border-radius: 6px;
  width: 90px;
  outline: none;
  transition: border-color 0.2s;
}
.config-table input.density-input:focus { border-color: var(--green); box-shadow: 0 0 0 2px var(--green-dim); }
.config-table input.density-input:hover { border-color: var(--text3); }

.config-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.config-save-status {
  font-family: var(--mono);
  font-size: 11px;
  margin-left: 12px;
}

/* Calculator */
.calculator-box {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 20px;
}
.calc-inputs {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.calc-input-group label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.calc-result-placeholder {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text3);
  text-align: center;
  padding: 20px;
}
.calc-result-header {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
  text-align: center;
}
.calc-result-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.calc-result-card {
  background: var(--bg4);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  border-top-width: 3px;
}
.calc-result-mode {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.calc-result-value {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.calc-result-note {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text3);
}

/* ── PRINT ── */
@media print {
  .header, .tab-bar, .filter-bar, .export-bar { display: none !important; }
  .tab-panel { display: block !important; page-break-before: always; }
  body { background: white; color: black; }
}

/* ── HEADER UPLOAD BUTTON ── */
.btn-upload {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--green-dim);
  border: 1px solid var(--green);
  color: var(--green);
  padding: 4px 12px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: opacity 0.15s;
}
.btn-upload:hover { opacity: 0.85; background: var(--green); color: var(--bg); }

/* ── MODAL ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 12px;
  width: 380px;
  max-width: 90vw;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.modal-header {
  background: var(--bg3);
  padding: 16px 20px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.modal-body {
  padding: 20px;
}
.modal-body p {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text2);
  margin-bottom: 14px;
}
.modal-date-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 14px;
  outline: none;
  color-scheme: dark;
}
.modal-date-input:focus { border-color: var(--green); box-shadow: 0 0 0 2px var(--green-dim); }
.modal-check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text3);
  cursor: pointer;
}
.modal-check input[type="checkbox"] {
  accent-color: var(--green);
  width: 14px;
  height: 14px;
}
.modal-actions {
  display: flex;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  justify-content: flex-end;
}

/* ── TIMELINE COMPONENTS ── */
.comparison-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.comp-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
}
.comp-row:last-child { border-bottom: none; }
.comp-label { color: var(--text3); flex: 1; }
.comp-prev { color: var(--text3); min-width: 60px; text-align: right; }
.comp-arrow { color: var(--text3); }
.comp-curr { color: var(--text); font-weight: 600; min-width: 60px; text-align: right; }
.comp-delta { min-width: 100px; text-align: right; font-size: 10px; }
.comp-delta .green { color: var(--green); }
.comp-delta .red { color: var(--red); }

.btn-sm { padding: 4px 8px; font-size: 10px; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .two-col { grid-template-columns: 1fr; }
  .campo-grid { grid-template-columns: 1fr; }
  .header { padding: 0 12px; }
  .content { padding: 12px; }
  .tab-bar { padding: 0 12px; overflow-x: auto; }
  .mode-cards { grid-template-columns: 1fr; }
  .calc-result-cards { grid-template-columns: 1fr; }
  .calc-inputs { flex-direction: column; align-items: stretch; }
  .formula-main { font-size: 13px; gap: 6px; }
  .formula-var { padding: 4px 8px; font-size: 12px; }
  .chart-container { height: 220px; }
  .chart-container.chart-tall { height: 300px; }
  .header-meta { gap: 8px; }
  .btn-upload { font-size: 9px; padding: 3px 8px; }
}