/* ============================================================
   StatLab — Main Stylesheet
   ============================================================ */

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

:root {
  --green:      #059669;
  --green-dk:   #047857;
  --green-lt:   #ecfdf5;
  --green-mid:  #34d399;
  --blue:       #1d4ed8;
  --blue-lt:    #eff6ff;
  --red:        #dc2626;
  --red-lt:     #fef2f2;
  --amber:      #d97706;
  --amber-lt:   #fffbeb;
  --ink:        #1a1a2e;
  --ink2:       #16213e;
  --ink3:       #4a4a6a;
  --paper:      #f5f5f3;
  --paper2:     #fafaf8;
  --border:     #e5e4e0;
  --border2:    #f0f0ee;
  --mono:       'DM Mono', 'Fira Mono', 'Consolas', monospace;
  --sans:       system-ui, -apple-system, sans-serif;
  --radius:     8px;
  --radius-lg:  12px;
  --shadow:     0 1px 3px rgba(0,0,0,0.08);
}

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* ── HEADER ── */
.hdr {
  background: var(--ink);
  color: #fff;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; }
.logo-accent { color: var(--green-mid); }
.logo-sub { font-size: 11px; font-weight: 400; color: rgba(255,255,255,.35); margin-left: 10px; }
.hdr-btns { display: flex; gap: 8px; align-items: center; }
.version-badge {
  font-size: 11px; font-family: var(--mono);
  background: rgba(255,255,255,.08); color: rgba(255,255,255,.5);
  padding: 3px 8px; border-radius: 20px;
}

/* ── TABS ── */
.tabbar {
  background: var(--ink2);
  display: flex;
  padding: 0 28px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  overflow-x: auto;
  scrollbar-width: none;
}
.tabbar::-webkit-scrollbar { display: none; }
.tab {
  background: none; border: none;
  border-bottom: 2px solid transparent;
  color: rgba(255,255,255,.4);
  font-size: 12px; font-weight: 500;
  padding: 11px 14px;
  cursor: pointer;
  font-family: var(--sans);
  transition: .15s;
  white-space: nowrap;
}
.tab:hover { color: rgba(255,255,255,.75); }
.tab.on { color: var(--green-mid); border-bottom-color: var(--green-mid); }

/* ── LAYOUT ── */
.main { max-width: 1140px; margin: 0 auto; padding: 24px 28px; }
.panel { display: none; }
.panel.on { display: block; }

/* ── CARD ── */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card-title { font-size: 15px; font-weight: 700; margin-bottom: 3px; }
.card-sub { font-size: 13px; color: var(--ink3); margin-bottom: 14px; }
.slbl {
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--green-dk); margin-bottom: 10px;
}

/* ── BUTTONS ── */
.btn {
  font-family: var(--sans); font-size: 13px; font-weight: 600;
  padding: 8px 16px; border-radius: var(--radius);
  border: none; cursor: pointer; transition: .15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-t  { background: var(--green); color: #fff; }
.btn-t:hover  { background: var(--green-dk); }
.btn-w  { background: #fff; color: var(--ink); border: 1px solid var(--border); }
.btn-w:hover  { background: var(--paper); }
.btn-r  { background: var(--red); color: #fff; }
.btn-r:hover  { background: #b91c1c; }
.btn-b  { background: var(--blue); color: #fff; }
.btn-b:hover  { background: #1e3a8a; }
.btn-sm { font-size: 12px; padding: 5px 12px; }

/* ── GRIDS ── */
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.g3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.g4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.g5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
@media (max-width: 768px) {
  .g2, .g3, .g4, .g5 { grid-template-columns: 1fr 1fr; }
  .main { padding: 16px; }
}
@media (max-width: 480px) {
  .g2, .g3, .g4, .g5 { grid-template-columns: 1fr; }
}

/* ── STAT CARDS ── */
.sc { background: var(--paper); border-radius: var(--radius); padding: 14px; }
.sc-lbl { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: #888; margin-bottom: 6px; }
.sc-val { font-size: 20px; font-weight: 700; font-family: var(--mono); color: var(--ink); }
.sc-val.green { color: var(--green); }
.sc-val.blue  { color: var(--blue); }
.sc-val.red   { color: var(--red); }
.sc-val.amber { color: var(--amber); }
.sc-note { font-size: 11px; color: #999; margin-top: 3px; }

/* ── TABLE ── */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left; font-size: 10px; text-transform: uppercase;
  letter-spacing: 1px; color: #888; padding: 7px 10px;
  background: var(--paper); border-bottom: 1px solid var(--border);
  position: sticky; top: 0;
}
.tbl td { padding: 7px 10px; border-bottom: 1px solid var(--border2); color: var(--ink); }
.tbl td.num { font-family: var(--mono); text-align: right; color: var(--green); font-weight: 600; }
.tbl td.neg { font-family: var(--mono); text-align: right; color: var(--red); font-weight: 600; }
.tbl td.total-row { font-weight: 700; background: var(--green-lt); color: var(--green-dk); }
.tbl tr:hover td { background: var(--paper2); }
.tbl-wrap { overflow-x: auto; }

/* ── FORM ── */
input[type=text], input[type=number], select, textarea {
  font-family: var(--sans); font-size: 13px;
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 8px 10px; color: var(--ink); background: var(--paper2);
  width: 100%; transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--green); }
textarea { resize: vertical; min-height: 100px; font-family: var(--mono); line-height: 1.7; }
label { font-size: 12px; color: var(--ink3); display: block; margin-bottom: 5px; font-weight: 500; }

/* ── UPLOAD BOX ── */
.upload-box {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 32px; text-align: center;
  cursor: pointer; transition: .2s; background: var(--paper2);
}
.upload-box:hover, .upload-box.drag {
  border-color: var(--green); background: var(--green-lt);
}
.upload-icon { font-size: 40px; margin-bottom: 10px; }
.upload-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.upload-sub { font-size: 12px; color: #999; }

/* ── BADGE ── */
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 20px; font-family: var(--mono); }
.badge-green { background: var(--green-lt); color: #065f46; }
.badge-blue  { background: var(--blue-lt);  color: #1e3a8a; }
.badge-red   { background: var(--red-lt);   color: #7f1d1d; }
.badge-amber { background: var(--amber-lt); color: #78350f; }

/* ── PROGRESS / MINI BAR ── */
.bar-bg { height: 6px; background: var(--border2); border-radius: 3px; overflow: hidden; flex: 1; }
.bar-fill { height: 100%; border-radius: 3px; transition: width .4s; }
.bar-green { background: var(--green); }
.bar-red   { background: var(--red); }
.bar-blue  { background: var(--blue); }
.bar-amber { background: var(--amber); }

/* ── BUDGET ITEM ── */
.budget-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border2); }
.budget-label { font-size: 13px; min-width: 100px; }
.budget-pct { font-family: var(--mono); font-size: 12px; min-width: 40px; text-align: right; }

/* ── CHART WRAP ── */
.chart-wrap { position: relative; width: 100%; }
.h200 { height: 200px; }
.h260 { height: 260px; }
.h300 { height: 300px; }

/* ── EMPTY STATE ── */
.empty { text-align: center; padding: 50px 20px; color: #aaa; }
.empty-icon { font-size: 44px; margin-bottom: 10px; }
.empty p { font-size: 15px; font-weight: 600; color: #777; margin-top: 6px; }

/* ── ALERT ── */
.alert { padding: 10px 14px; border-radius: var(--radius); font-size: 13px; margin-bottom: 12px; }
.alert-green { background: var(--green-lt); color: #065f46; border-left: 3px solid var(--green); }
.alert-red   { background: var(--red-lt);   color: #7f1d1d; border-left: 3px solid var(--red); }
.alert-amber { background: var(--amber-lt); color: #78350f; border-left: 3px solid var(--amber); }
.alert-blue  { background: var(--blue-lt);  color: #1e3a8a; border-left: 3px solid var(--blue); }

/* ── TOAST ── */
.toast {
  position: fixed; bottom: 20px; right: 20px;
  background: var(--ink); color: #fff;
  padding: 12px 18px; border-radius: var(--radius);
  font-size: 13px; z-index: 9999;
  opacity: 0; transform: translateY(10px);
  transition: .25s; pointer-events: none;
  max-width: 280px;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ── DIVIDER ── */
.divider { height: 1px; background: var(--border); margin: 16px 0; }

/* ── SUMMARY STRIP ── */
.summary-strip {
  display: flex; gap: 0; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; margin-bottom: 16px;
}
.strip-item { flex: 1; padding: 14px 16px; border-right: 1px solid var(--border); }
.strip-item:last-child { border-right: none; }
.strip-lbl { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: #999; margin-bottom: 4px; }
.strip-val { font-size: 18px; font-weight: 700; font-family: var(--mono); }

/* ── TREND ARROW ── */
.trend-up   { color: var(--green); }
.trend-down { color: var(--red); }
.trend-flat { color: #999; }

/* ── SIG COLORS ── */
.sig-star { color: var(--red); font-weight: 700; font-family: var(--mono); }
.sig-ns   { color: #aaa; font-family: var(--mono); }