/* ============================================================
   DCA Average Price Calculator · styles.css  v3
   Self-contained (nav + footer included — no site.css dependency)
   Template: Options page design system
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-size:16px;scroll-behavior:smooth}

:root{
  --bg:#0b1220;
  --surface:rgba(255,255,255,.03);--surface2:rgba(255,255,255,.05);
  --border:#243246;--border2:#334155;
  --text:#e6edf3;--text-muted:#9fb2c9;--text-dim:#9fb2c9;
  --blue:#3b82f6;--blue2:#60a5fa;--blue3:#93c5fd;
  --green:#10b981;--green2:#34d399;
  --yellow:#f59e0b;--yellow2:#fbbf24;
  --red:#ef4444;--red2:#f87171;
  --purple:#8b5cf6;--purple2:#a78bfa;
  --font:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif;
  --font-humanist:'Nunito Sans','Segoe UI','Gill Sans',Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}

body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.5;min-height:100vh}
a{color:var(--blue2);text-decoration:none}
a:hover{color:var(--blue3)}

/* ================================================================
   NAV (self-contained — no site.css dependency)
   ================================================================ */
.site-nav{
  position:sticky;top:0;z-index:200;
  background:rgba(11,18,32,0.88);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1200px;margin:0 auto;height:68px;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:var(--text);letter-spacing:.02em}
.nav-logo:hover{color:var(--text)}
.nav-logo-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:transparent;border-radius:8px;border:none;box-shadow:none}
.nav-logo-img{width:38px;height:38px;display:block}
.nav-logo-text{position:relative;top:0.5px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{font-size:15px;font-weight:600;color:var(--text-muted);padding:8px 12px;border-radius:8px;transition:color .15s,background .15s}
.nav-links a:hover{color:var(--text);background:var(--surface)}
.nav-links a.active{color:var(--text)}
.nav-link-muted{opacity:.8}

.nav-toggle{display:none;align-items:center;justify-content:center;width:48px;height:44px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer}
.nav-toggle:hover{border-color:var(--border2);background:var(--surface2)}
.nav-toggle-bars{position:relative;display:block;width:18px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle-bars::before,.nav-toggle-bars::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}

.nav-drawer{max-width:1200px;margin:0 auto;padding:10px 24px 14px;border-top:1px solid var(--border)}
.nav-drawer a{display:block;font-size:14px;padding:16px 14px;border-radius:12px;color:var(--text);font-weight:700}
.nav-drawer a:hover{background:var(--surface2)}

/* ================================================================
   PAGE SHELL
   ================================================================ */
.page{max-width:1200px;margin:0 auto;padding:32px 24px 110px}

.page-header{margin-bottom:36px}
.page-header-inner{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;padding-bottom:28px;
  border-bottom:1px solid var(--border);
}
.page-header-eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--blue2);margin-bottom:10px;opacity:.8;
}
.page-header h1{
  font-family:var(--font-humanist);
  font-size:clamp(30px,4.2vw,48px);font-weight:800;
  color:var(--text);letter-spacing:-.02em;line-height:1.1;
}
.page-header p{font-size:16px;color:var(--text-muted);margin-top:8px;font-weight:500;max-width:560px}
.stat-row{display:flex;gap:24px;flex-shrink:0}
.stat{text-align:right}
.stat-val{font-family:var(--font-humanist);font-weight:800;font-size:26px;color:var(--text);line-height:1}
.stat-label{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);margin-top:4px}

/* ================================================================
   CARD
   ================================================================ */
.tool-wrap{display:flex;flex-direction:column;gap:14px}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:24px 24px 24px 28px;
  position:relative;overflow:hidden;
  box-shadow:0 4px 24px rgba(0,0,0,.22);
}
.card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px}
.card.strategy::before{background:linear-gradient(180deg,rgba(59,130,246,.95),rgba(59,130,246,.10))}

.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:8px}
.card-title{font-family:var(--font-humanist);font-size:20px;font-weight:800;color:var(--text);letter-spacing:-.015em;line-height:1.2}

.badge{
  flex-shrink:0;font-family:var(--mono);font-size:10px;font-weight:500;
  letter-spacing:.08em;text-transform:uppercase;
  padding:3px 9px;border-radius:5px;border:1px solid;white-space:nowrap;margin-top:2px;
}
.badge.strategy{color:var(--blue3);border-color:rgba(96,165,250,.3);background:rgba(96,165,250,.07)}

.tool-desc{font-size:14px;color:var(--text-muted);font-weight:500;max-width:760px;margin-bottom:16px}

/* used by dca.js on injected cells */
.muted{color:var(--text-muted)}

/* ================================================================
   BUTTONS
   ================================================================ */
.dca-toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 14px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface);color:var(--text);
  font-weight:700;font-size:13px;cursor:pointer;
  transition:background .15s,border-color .15s,transform .12s;
}
.btn:hover{background:var(--surface2);border-color:var(--border2);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:rgba(59,130,246,.14);border-color:rgba(59,130,246,.38);color:var(--blue2)}
.btn-primary:hover{background:rgba(59,130,246,.2);border-color:rgba(59,130,246,.5);color:var(--blue3)}
.btn-ghost{background:transparent;opacity:.85}

/* ================================================================
   TABLE
   ================================================================ */
.table-wrap{
  overflow-x:hidden;overflow-y:visible;border:1px solid var(--border);border-radius:12px;
  background:rgba(255,255,255,.015);-webkit-overflow-scrolling:touch;
}
.table{width:100%;border-collapse:separate;border-spacing:0;table-layout:fixed}
.table col.col-idx{width:38px}
.table col.col-date{width:132px}
.table col.col-shares{width:96px}
.table col.col-price{width:92px}
.table col.col-feemode{width:108px}
.table col.col-fee{width:84px}
.table col.col-feedol{width:82px}
.table col.col-entry{width:100px}
.table col.col-note{width:112px}
.table col.col-remove{width:92px}
.table thead th{
  position:sticky;top:0;background:rgba(11,18,32,.95);backdrop-filter:blur(10px);
  font-family:var(--mono);font-size:10px;letter-spacing:.10em;text-transform:uppercase;
  color:var(--text-dim);padding:11px 6px;border-bottom:1px solid var(--border);white-space:nowrap;
}
.table tbody td{
  padding:8px 6px;border-bottom:1px solid rgba(36,50,70,.55);
  vertical-align:middle;color:var(--text);
}
.table tbody tr:last-child td{border-bottom:none}
.table tbody tr:hover td{background:rgba(255,255,255,.015)}

input[type="number"],input[type="text"],input[type="date"],select{
  width:100%;padding:8px 8px;border-radius:9px;
  border:1px solid var(--border);background:rgba(255,255,255,.03);
  color:var(--text);outline:none;font-size:12px;font-family:var(--font);
  color-scheme:dark;
}
select{cursor:pointer}
input[type="number"]:focus,input[type="text"]:focus,input[type="date"]:focus,select:focus{
  border-color:rgba(59,130,246,.55);box-shadow:0 0 0 3px rgba(59,130,246,.12);
}
input[type="number"]{-moz-appearance:textfield;appearance:textfield}
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button{appearance:none;margin:0}
select option{background:#0f172a;color:var(--text)}

.dcaRemoveBtn{
  padding:8px 10px;border-radius:10px;
  border:1px solid rgba(239,68,68,.3);background:rgba(239,68,68,.07);
  color:var(--red2);font-weight:800;cursor:pointer;font-size:13px;
  transition:background .12s,border-color .12s;
}
.dcaRemoveBtn:hover{border-color:rgba(239,68,68,.5);background:rgba(239,68,68,.13)}

/* ================================================================
   KPI GRID + AVERAGE BOX
   ================================================================ */
.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:14px}
.kpi{background:rgba(255,255,255,.02);border:1px solid var(--border);border-radius:12px;padding:14px}
.kpi span{display:block;font-size:11px;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.kpi b{display:block;margin-top:6px;font-family:var(--mono);font-size:18px;font-weight:600;color:var(--text)}

.avg-box{
  margin-top:12px;background:rgba(59,130,246,.06);
  border:1px solid rgba(59,130,246,.22);border-radius:12px;padding:16px 18px;
}
.avg-box .avg-label{
  display:block;font-size:11px;color:var(--text-muted);
  font-weight:700;text-transform:uppercase;letter-spacing:.10em;font-family:var(--mono);
}
.avg-box b{display:block;margin-top:8px;font-family:var(--mono);font-size:26px;font-weight:700;color:var(--blue3)}
.avg-box .hint{margin-top:6px;font-size:12.5px;color:var(--text-muted)}

/* ================================================================
   HELP / DETAILS
   ================================================================ */
details.help{margin-top:18px;border:1px dashed rgba(36,50,70,.8);border-radius:12px;padding:12px 16px}
details.help[open]{background:rgba(255,255,255,.015)}
details.help summary{
  cursor:pointer;list-style:none;font-size:13px;font-weight:600;color:var(--text-muted);
  display:flex;align-items:center;gap:6px;
}
details.help summary::marker{display:none}
details.help summary::-webkit-details-marker{display:none}
details.help summary::before{content:"▸";font-size:10px;transition:transform .15s;display:inline-block}
details.help[open] summary::before{transform:rotate(90deg)}
details.help .help-body{margin-top:12px;font-size:14px;color:var(--text-muted);padding-left:4px}
details.help ul{margin:6px 0 0 18px;display:flex;flex-direction:column;gap:6px}
details.help li{font-size:14px;color:var(--text-muted);line-height:1.6}

/* ================================================================
   DISCLAIMER
   ================================================================ */
.disclaimer{
  margin-top:32px;padding:14px 18px;border-radius:10px;
  background:rgba(245,158,11,.06);border:1px solid rgba(245,158,11,.18);
  font-size:12px;color:var(--text-muted);line-height:1.6;
}
.disclaimer strong{color:rgba(251,191,36,.9)}

/* ================================================================
   FOOTER
   ================================================================ */
footer{
  border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:72px;padding:28px 24px;
  max-width:1200px;margin-left:auto;margin-right:auto;
}
.footer-left{font-size:14px;color:var(--text-dim)}
.footer-left a{color:var(--text-muted)}
.footer-left a:hover{color:var(--text)}
.footer-right{font-family:var(--mono);font-size:11px;color:var(--text-dim);letter-spacing:.08em}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media(max-width:820px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .page{padding:28px 16px 96px}
  .page-header-inner{flex-direction:column;align-items:flex-start}
  .stat-row{width:100%;justify-content:flex-start}
  .stat{text-align:left}
  .page-header h1{font-size:28px}
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  footer{flex-direction:column;align-items:flex-start;gap:8px;padding:20px 16px}
}

@media(max-width:600px){
  .nav-inner{padding:0 16px}
  .card{padding:18px 16px 18px 20px}
  .avg-box b{font-size:22px}
  .table{min-width:760px}
}

/* ── tool-card (added for consistency) ── */
.tool-card{
  background:rgba(255,255,255,.025);border:1px solid var(--border);
  border-radius:12px;padding:24px 28px;position:relative;overflow:hidden;margin-bottom:16px;
}
.tool-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--blue2)}
.tool-card h2{font-family:var(--font-humanist);font-size:20px;font-weight:800;color:var(--text);letter-spacing:-.01em;line-height:1.2}

.card-title-sm{font-family:var(--font-humanist);font-size:18px;font-weight:800;color:var(--text);letter-spacing:-.01em}
.card-subhead{margin-top:8px;margin-bottom:6px}

.ticker-panel{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 2fr;
  gap:12px;
  margin-bottom:14px;
}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}
.field input[type="text"], .field select, .field input[type="number"]{
  width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);
  background:rgba(255,255,255,.03);color:var(--text);font-size:14px;font-family:var(--font);
}
.info-box{
  min-height:42px;display:flex;align-items:center;padding:10px 12px;border-radius:10px;
  border:1px solid var(--border);background:rgba(255,255,255,.02);color:var(--text-muted);font-size:13px;
}
.toolbar-tight{margin-bottom:18px}

.kpi-grid-lg{grid-template-columns:repeat(4,minmax(0,1fr))}
.planner-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:12px;margin-top:14px}
.planner-card{background:rgba(255,255,255,.02);border:1px solid var(--border);border-radius:12px;padding:16px}
.planner-title{font-family:var(--font-humanist);font-size:16px;font-weight:800;color:var(--text);margin-bottom:10px}
.planner-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.planner-fields.one-col{grid-template-columns:1fr}
.planner-fields label{display:flex;flex-direction:column;gap:6px}
.planner-fields span{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}
.planner-kpis{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:12px}

.val-good{color:var(--green2)!important}
.val-bad{color:var(--red2)!important}

@media(max-width:1080px){
  .ticker-panel{grid-template-columns:1fr 1fr}
  .planner-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  .ticker-panel,.planner-fields,.kpi-grid-lg,.planner-kpis{grid-template-columns:1fr}
}


.table .dcaDate{font-size:11px;padding-right:4px}
.table .dcaQty,.table .dcaPrice,.table .dcaFeeVal,.table .dcaNote,.table .dcaFeeMode{font-size:12px}
.table .dcaNote{font-size:12px}
.table .dcaFeeDollars,.table .dcaEntryTotal{font-size:12px;white-space:nowrap}
.live-kpis{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:12px}
.extra-kpis{margin-top:10px}
@media(max-width:980px){.table-wrap{overflow-x:auto}.table{min-width:900px}}