/* ============================================================
   BlackX Pay — Painel premium para gestão de cobranças
   Extends the BlackX visual identity (Manrope + Instrument Serif,
   paper/ink, liquid glass) into a SaaS admin surface.
   ============================================================ */

:root{
  /* ink scale */
  --ink: #0a0a0a;
  --ink-2: #161616;
  --ink-3: #242424;
  --ink-4: #2f2f2f;
  /* paper scale */
  --paper: #f7f6f4;
  --paper-2: #efeeea;
  --paper-3: #e6e3dc;
  /* neutrals */
  --line: rgba(10,10,10,0.10);
  --line-2: rgba(10,10,10,0.06);
  --line-strong: rgba(10,10,10,0.22);
  --mute: #6b6b6b;
  --graphite: #8a8a8a;
  --silver: #d6d6dc;
  --silver-2: #b3b3bd;
  --hi: #ffffff;

  /* status colors – kept oklch-restrained, harmonious with paper */
  --ok: #1f7d3a;
  --ok-soft: #e7f1ea;
  --warn: #a76b0b;
  --warn-soft: #f6ecd9;
  --bad: #a3221c;
  --bad-soft: #f5e2df;
  --info: #1f4f7d;
  --info-soft: #e3ebf2;
  --pix: #00a884;

  /* shape */
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --shadow-1: 0 1px 0 rgba(10,10,10,.04), 0 12px 28px -18px rgba(10,10,10,.12);
  --shadow-2: 0 22px 44px -28px rgba(10,10,10,.22);
  --shadow-3: 0 36px 80px -36px rgba(10,10,10,.35);

  --ease: cubic-bezier(.22,.61,.36,1);
  --t: .35s var(--ease);
}

*{ box-sizing: border-box; }
html, body{ margin:0; padding:0; }
html{ scroll-behavior: smooth; }
body{
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 14.5px;
  line-height: 1.5;
  letter-spacing: -0.005em;
  min-height: 100vh;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; }
input, textarea, select{ font-family: inherit; color: inherit; }

.serif-em{ font-family: "Instrument Serif", serif; font-style: italic; font-weight: 400; letter-spacing: -0.01em; }

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  --bg: var(--ink); --fg: var(--hi); --bd: var(--ink);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--bd);
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 13.5px; font-weight: 600; letter-spacing: -0.005em;
  cursor: pointer;
  transition: transform var(--t), background var(--t), color var(--t), border-color var(--t), box-shadow var(--t);
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-1px); box-shadow: 0 14px 30px -18px rgba(0,0,0,.45); }
.btn:active{ transform: translateY(0); }
.btn:disabled{ opacity:.45; cursor: not-allowed; transform:none; box-shadow:none; }
.btn .arrow{ transition: transform var(--t); }
.btn:hover .arrow{ transform: translateX(3px); }

.btn-ghost{ --bg: transparent; --fg: var(--ink); --bd: var(--line-strong); }
.btn-ghost:hover{ --bg: var(--ink); --fg: #fff; --bd: var(--ink); }
.btn-light{ --bg:#fff; --fg: var(--ink); --bd: var(--line); }
.btn-light:hover{ --bg: var(--paper-2); }
.btn-soft{ --bg: var(--paper-2); --fg: var(--ink); --bd: transparent; }
.btn-soft:hover{ --bg: var(--paper-3); }

.btn-sm{ padding: 8px 14px; font-size: 12.5px; }
.btn-lg{ padding: 16px 26px; font-size: 15px; }
.btn-block{ width: 100%; }

.btn-icon{
  width: 36px; height: 36px; padding: 0; border-radius: 12px;
  background: transparent; color: var(--ink); border: 1px solid transparent;
  display: inline-grid; place-items: center; cursor: pointer;
  transition: background var(--t), border-color var(--t), color var(--t);
}
.btn-icon:hover{ background: var(--paper-2); border-color: var(--line); }
.btn-icon svg{ width: 18px; height: 18px; }

/* liquid glass buttons */
.btn-glass{
  --bg: rgba(255,255,255,0.55); --fg: var(--ink); --bd: rgba(255,255,255,0.6);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.7),
    inset 0 -1px 0 rgba(10,10,10,.04),
    0 8px 24px -12px rgba(0,0,0,.18);
}
.btn-glass:hover{ --bg: rgba(255,255,255,0.75); }
.btn-glass-dark{
  --bg: rgba(255,255,255,0.08); --fg: #fff; --bd: rgba(255,255,255,0.18);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}
.btn-glass-dark:hover{ --bg: rgba(255,255,255,0.16); }

/* ============================================================
   Surfaces
   ============================================================ */
.glass{
  background: linear-gradient(180deg, rgba(255,255,255,.7), rgba(255,255,255,.5));
  border: 1px solid rgba(255,255,255,.75);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.85),
    inset 0 -1px 0 rgba(10,10,10,.05),
    0 22px 44px -28px rgba(10,10,10,.25);
}
.glass-dark{
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.16),
    0 22px 44px -22px rgba(0,0,0,.45);
}

.card{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}
.card-pad{ padding: 24px; }
.card-pad-lg{ padding: 32px; }
.card-head{
  display:flex; align-items:center; justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line-2);
}
.card-head h3{
  font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em; margin: 0;
}
.card-head .sub{ color: var(--mute); font-size: 12.5px; margin-top: 2px; }

/* ============================================================
   Form controls — premium inputs
   ============================================================ */
.field{ display:flex; flex-direction: column; gap: 6px; }
.field > label{
  font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--mute);
}
.field .hint{ font-size: 12px; color: var(--graphite); margin-top: 2px; }
.field .err{ font-size: 12px; color: var(--bad); margin-top: 2px; }

.input, .select, .textarea{
  appearance: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 16px;
  font-size: 14.5px;
  color: var(--ink);
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  width: 100%;
}
.input:hover, .select:hover, .textarea:hover{ border-color: var(--line-strong); }
.input:focus, .select:focus, .textarea:focus{
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 4px rgba(10,10,10,0.06);
}
.input::placeholder, .textarea::placeholder{ color: var(--graphite); }
.input-prefix{
  position: relative;
}
.input-prefix > .pfx{
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--graphite); font-size: 13px; pointer-events: none;
}
.input-prefix > .input{ padding-left: 38px; }
.textarea{ min-height: 104px; resize: vertical; line-height: 1.55; }
.select{
  padding-right: 40px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b6b6b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

/* Checkbox / Switch */
.checkbox{
  display:inline-flex; align-items:center; gap: 10px;
  cursor: pointer; user-select: none; font-size: 14px;
}
.checkbox input{ display:none; }
.checkbox .box{
  width: 20px; height: 20px;
  border: 1.5px solid var(--line-strong); border-radius: 6px;
  background: #fff;
  display: inline-grid; place-items: center;
  transition: background var(--t), border-color var(--t);
  flex: 0 0 auto;
}
.checkbox .box svg{ width: 12px; height: 12px; color: #fff; opacity: 0; transition: opacity .2s var(--ease); }
.checkbox input:checked + .box{ background: var(--ink); border-color: var(--ink); }
.checkbox input:checked + .box svg{ opacity: 1; }
.checkbox:hover .box{ border-color: var(--ink); }

.switch{
  position: relative; display: inline-block; width: 42px; height: 24px; flex: 0 0 auto;
}
.switch input{ display:none; }
.switch .track{
  position: absolute; inset: 0;
  background: var(--paper-3);
  border-radius: 999px;
  transition: background var(--t);
}
.switch .knob{
  position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,.18);
  transition: transform var(--t);
}
.switch input:checked + .track{ background: var(--ink); }
.switch input:checked + .track + .knob{ transform: translateX(18px); }

/* Segmented control */
.seg{
  display: inline-flex;
  padding: 4px;
  background: var(--paper-2);
  border-radius: 999px;
  border: 1px solid var(--line);
}
.seg button{
  border: 0; background: transparent;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 12.5px; font-weight: 600;
  color: var(--mute);
  cursor: pointer;
  transition: background var(--t), color var(--t);
}
.seg button.active{ background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.06); }
.seg button:hover:not(.active){ color: var(--ink); }

/* ============================================================
   Pills / Badges / Tags
   ============================================================ */
.badge{
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px; font-weight: 600; letter-spacing: -0.005em;
  border: 1px solid transparent;
}
.badge .dot{ width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-ok{ background: var(--ok-soft); color: var(--ok); }
.badge-warn{ background: var(--warn-soft); color: var(--warn); }
.badge-bad{ background: var(--bad-soft); color: var(--bad); }
.badge-info{ background: var(--info-soft); color: var(--info); }
.badge-mute{ background: var(--paper-2); color: var(--mute); }
.badge-ink{ background: var(--ink); color: #fff; }
.badge-silver{
  background: linear-gradient(135deg, #ebebef 0%, var(--silver) 50%, #9a9aa3 100%);
  color: var(--ink); letter-spacing: 0.14em; text-transform: uppercase; font-size: 10px; padding: 5px 10px;
  box-shadow: 0 6px 16px -8px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.8);
}

.tag{
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 11.5px; font-weight: 600;
  background: var(--paper-2); color: var(--ink-2);
  border: 1px solid var(--line);
}

/* ============================================================
   Table
   ============================================================ */
.table{ width: 100%; border-collapse: collapse; }
.table th{
  text-align: left; padding: 14px 18px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--mute);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.table td{
  padding: 16px 18px;
  font-size: 13.5px;
  border-bottom: 1px solid var(--line-2);
  vertical-align: middle;
}
.table tr:last-child td{ border-bottom: 0; }
.table tr.row-hover{ transition: background var(--t); cursor: pointer; }
.table tr.row-hover:hover td{ background: var(--paper); }
.table .num{ text-align: right; font-variant-numeric: tabular-nums; }
.table .mono{ font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }

/* ============================================================
   App shell
   ============================================================ */
.shell{
  display: grid;
  grid-template-columns: 256px 1fr;
  min-height: 100vh;
}
.sidebar{
  position: sticky; top: 0; height: 100vh;
  background: var(--ink);
  color: rgba(255,255,255,.7);
  padding: 22px 18px 22px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 10;
}
.sidebar .brand{
  display: flex; align-items: center; gap: 10px;
  padding: 6px 8px 22px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 10px;
}
.sidebar .brand .mark{
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, #fff, #c9c9d2 100%);
  color: var(--ink);
  display: grid; place-items: center;
  font-weight: 800; font-size: 14px; letter-spacing: -0.04em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
}
.sidebar .brand .name{
  font-size: 15px; font-weight: 700; color: #fff; letter-spacing: -0.02em;
}
.sidebar .brand .name em{
  font-family: "Instrument Serif", serif; font-style: italic; font-weight: 400; color: var(--silver);
}
.side-section{
  font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,.4);
  padding: 14px 12px 6px;
}
.nav-item{
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px;
  border-radius: 12px;
  color: rgba(255,255,255,.72);
  font-size: 13.5px; font-weight: 500;
  cursor: pointer;
  transition: background var(--t), color var(--t);
  position: relative;
}
.nav-item:hover{ color: #fff; background: rgba(255,255,255,.05); }
.nav-item.active{
  background: rgba(255,255,255,.10);
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.nav-item svg{ width: 17px; height: 17px; flex: 0 0 auto; }
.nav-item .count{
  margin-left: auto;
  font-size: 10.5px; font-weight: 700;
  padding: 2px 7px; border-radius: 999px;
  background: rgba(255,255,255,.12); color: #fff;
}
.sidebar-footer{
  margin-top: auto;
  padding: 12px;
  display: flex; align-items: center; gap: 10px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 16px;
}
.sidebar-footer .avatar{
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, #2d2d33, #0b0b0e);
  display:grid; place-items:center;
  color: #fff; font-weight: 700; font-size: 13px;
  border: 1px solid rgba(255,255,255,.12);
}
.sidebar-footer .who{ display: flex; flex-direction: column; line-height: 1.2; }
.sidebar-footer .who .n{ color: #fff; font-size: 13px; font-weight: 600; }
.sidebar-footer .who .e{ color: rgba(255,255,255,.5); font-size: 11px; }
.sidebar-footer .out{
  margin-left: auto;
  background: transparent; border: 0; cursor: pointer;
  color: rgba(255,255,255,.5);
  transition: color var(--t);
}
.sidebar-footer .out:hover{ color: #fff; }

.main{ display:flex; flex-direction: column; }
.topbar{
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 16px;
  padding: 16px 32px;
  background: rgba(247,246,244,0.82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.topbar .title{
  display: flex; flex-direction: column; line-height: 1.1;
}
.topbar .title .eyebrow{
  font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--mute); font-weight: 600;
}
.topbar .title h1{
  margin: 4px 0 0;
  font-size: 22px; font-weight: 600; letter-spacing: -0.025em;
}
.topbar .spacer{ flex: 1; }
.topbar .search{
  position: relative; width: 320px; max-width: 36vw;
}
.topbar .search input{
  width: 100%; padding: 9px 14px 9px 38px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 13px;
  transition: border-color var(--t), box-shadow var(--t);
}
.topbar .search input:focus{ outline:none; border-color: var(--ink); box-shadow: 0 0 0 4px rgba(10,10,10,0.06); }
.topbar .search svg{
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--graphite);
}
.content{
  padding: 32px;
  max-width: 1400px;
  width: 100%;
}

@media (max-width: 980px){
  .shell{ grid-template-columns: 1fr; }
  .sidebar{ display:none; }
  .content{ padding: 20px; }
  .topbar{ padding: 14px 20px; }
  .topbar .search{ display: none; }
}

/* ============================================================
   Page chrome
   ============================================================ */
.page-head{
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  margin-bottom: 24px;
}
.page-head .lead{
  display: flex; flex-direction: column;
}
.page-head h2{
  margin: 4px 0 0;
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 600; letter-spacing: -0.03em; line-height: 1.05;
}
.page-head h2 em{ font-family:"Instrument Serif", serif; font-style:italic; font-weight: 400; }
.page-head .sub{ color: var(--mute); font-size: 14px; margin-top: 8px; max-width: 56ch; }
.page-head .actions{ display: flex; gap: 8px; }

/* ============================================================
   KPI cards (dashboard)
   ============================================================ */
.kpis{
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
@media (max-width: 1100px){ .kpis{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .kpis{ grid-template-columns: 1fr; } }
.kpi{
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
  overflow: hidden;
  transition: transform var(--t), box-shadow var(--t);
}
.kpi:hover{ transform: translateY(-2px); box-shadow: var(--shadow-2); }
.kpi.dark{ background: var(--ink); color:#fff; border-color: rgba(255,255,255,.08); }
.kpi.dark .lbl{ color: rgba(255,255,255,.6); }
.kpi.dark .delta{ color: rgba(255,255,255,.6); }
.kpi.dark .delta.up{ color: #b8e6c4; }
.kpi.dark .spark path{ stroke: rgba(255,255,255,.65); }
.kpi .lbl{
  font-size: 11px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--mute);
}
.kpi .val{
  font-size: 32px; font-weight: 600; letter-spacing: -0.03em; margin-top: 8px;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.kpi .delta{
  margin-top: 6px;
  font-size: 12.5px; color: var(--mute);
  display: flex; align-items: center; gap: 6px;
}
.kpi .delta.up{ color: var(--ok); }
.kpi .delta.dn{ color: var(--bad); }
.kpi .spark{
  position: absolute; right: 18px; bottom: 18px; opacity: .6;
}

/* Chart area */
.chart-card{
  background:#fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 24px;
}
.chart-meta{
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.chart-meta h3{ font-size: 15.5px; font-weight: 600; letter-spacing:-0.01em; margin: 0; }
.chart-meta .sub{ color: var(--mute); font-size: 12.5px; margin-top: 2px; }

/* ============================================================
   List items (sales, customers)
   ============================================================ */
.list-row{
  display: grid; align-items: center;
  padding: 14px 16px;
  border-radius: 14px;
  transition: background var(--t);
  cursor: pointer;
}
.list-row:hover{ background: var(--paper); }
.avatar-sm{
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--paper-3); color: var(--ink-2);
  display: grid; place-items: center;
  font-weight: 700; font-size: 12px;
}

/* ============================================================
   Modal
   ============================================================ */
.modal-back{
  position: fixed; inset: 0; z-index: 100;
  background: rgba(10,10,10,.45);
  backdrop-filter: blur(6px);
  display: grid; place-items: center;
  padding: 24px;
  animation: fade .25s var(--ease);
}
.modal{
  width: 100%; max-width: 520px;
  background: #fff;
  border-radius: 22px;
  border: 1px solid var(--line);
  box-shadow: 0 40px 80px -36px rgba(0,0,0,.45);
  animation: pop .35s var(--ease);
}
.modal-head{ padding: 22px 24px 12px; }
.modal-head h3{ margin: 0; font-size: 19px; font-weight: 600; letter-spacing: -0.015em; }
.modal-head .sub{ color: var(--mute); font-size: 13px; margin-top: 4px; }
.modal-body{ padding: 8px 24px 24px; }
.modal-foot{
  padding: 16px 24px;
  border-top: 1px solid var(--line-2);
  display: flex; justify-content: flex-end; gap: 8px;
}

@keyframes fade{ from{ opacity: 0; } to{ opacity: 1; } }
@keyframes pop{ from{ opacity: 0; transform: translateY(8px) scale(.98); } to{ opacity: 1; transform: none; } }

/* Toasts */
.toasts{
  position: fixed; bottom: 24px; right: 24px; z-index: 200;
  display: flex; flex-direction: column; gap: 10px;
  pointer-events: none;
}
.toast{
  pointer-events: auto;
  background: var(--ink);
  color: #fff;
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 13px;
  display: flex; align-items: center; gap: 10px;
  min-width: 280px;
  box-shadow: 0 20px 40px -16px rgba(0,0,0,.4);
  animation: pop .25s var(--ease);
}
.toast.ok{ background: var(--ok); }
.toast.bad{ background: var(--bad); }
.toast.warn{ background: var(--warn); }

/* ============================================================
   Skeleton loading
   ============================================================ */
.skeleton{
  background: linear-gradient(90deg, var(--paper-2) 0%, var(--paper-3) 50%, var(--paper-2) 100%);
  background-size: 200% 100%;
  border-radius: 8px;
  animation: shimmer 1.4s linear infinite;
}
@keyframes shimmer{ from{ background-position: 200% 0; } to{ background-position: -200% 0; } }

/* ============================================================
   Auth (full-bleed)
   ============================================================ */
.auth-wrap{
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
}
@media (max-width: 980px){ .auth-wrap{ grid-template-columns: 1fr; } .auth-art{ display:none !important; } }
.auth-form-side{
  display: grid; place-items: center;
  padding: 56px 40px;
  background: var(--paper);
  position: relative;
}
.auth-form-side::before{
  content:""; position:absolute; inset: 0; pointer-events:none;
  background-image: linear-gradient(to right, rgba(10,10,10,.04) 1px, transparent 1px);
  background-size: calc(100%/8) 100%;
  mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent);
}
.auth-form{
  position: relative; z-index: 1;
  width: 100%; max-width: 400px;
  display: flex; flex-direction: column; gap: 18px;
}
.auth-form h1{
  font-weight: 600; font-size: clamp(34px, 4.6vw, 54px); letter-spacing: -0.035em;
  line-height: 1.02; margin: 8px 0 4px;
}
.auth-form h1 em{ font-family: "Instrument Serif", serif; font-style: italic; font-weight: 400; }
.auth-form .lead{ color: var(--mute); font-size: 14.5px; margin: 0 0 8px; }
.auth-art{
  position: relative;
  background: #0a0a0a;
  color: #fff;
  overflow: hidden;
  display: grid; place-items: center;
  padding: 56px;
}
.auth-art::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(60% 50% at 20% 10%, rgba(255,255,255,.07), transparent 60%),
    radial-gradient(50% 40% at 90% 90%, rgba(255,255,255,.05), transparent 60%);
}
.auth-art::after{
  content:""; position:absolute; inset: 0; pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(60% 60% at 50% 50%, #000 40%, transparent);
}
.auth-art .quote{
  position: relative; z-index: 2;
  max-width: 460px;
  font-family: "Instrument Serif", serif; font-style: italic;
  font-size: clamp(28px, 3vw, 38px); line-height: 1.15; letter-spacing: -0.015em;
}
.auth-art .quote::before{ content: "“"; font-size: 1.6em; line-height: 0; vertical-align: -0.2em; opacity: .55; }
.auth-art .quote::after{ content: "”"; font-size: 1.6em; line-height: 0; vertical-align: -0.2em; opacity: .55; }
.auth-art .sig{
  position: absolute; bottom: 56px; left: 56px; right: 56px;
  display: flex; justify-content: space-between; align-items: center;
  color: rgba(255,255,255,.55); font-size: 12px;
  letter-spacing: 0.18em; text-transform: uppercase;
}
.auth-art .stamp{
  position: absolute; top: 56px; left: 56px; z-index: 2;
  display: flex; align-items: center; gap: 10px;
  color: #fff;
}
.auth-art .stamp .mark{
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, #fff, #c9c9d2 100%);
  color: var(--ink);
  display: grid; place-items: center;
  font-weight: 800; letter-spacing: -0.04em;
}
.auth-art .stamp .name{ font-weight: 700; letter-spacing: -0.01em; font-size: 16px; }
.auth-art .stamp .name em{ font-family:"Instrument Serif", serif; font-style: italic; font-weight: 400; color: var(--silver); }

/* ============================================================
   Customer-facing payment page
   ============================================================ */
.pay-shell{
  min-height: 100vh;
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(10,10,10,0.04), transparent 60%),
    radial-gradient(40% 30% at 80% 90%, rgba(10,10,10,0.05), transparent 70%),
    var(--paper);
}
.pay-bar{
  display:flex; align-items:center; justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(247,246,244,.66);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
}
.pay-bar .secure{
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--mute); font-size: 12.5px;
}
.pay-wrap{
  max-width: 1080px; margin: 0 auto;
  padding: 44px 28px 80px;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 28px;
}
@media (max-width: 900px){ .pay-wrap{ grid-template-columns: 1fr; } }
.pay-card{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: 0 22px 44px -28px rgba(10,10,10,.22);
}
.pay-card h2{
  font-size: 22px; font-weight: 600; letter-spacing: -0.02em; margin: 0;
}
.method-tabs{
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.method{
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  cursor: pointer; background:#fff;
  transition: border-color var(--t), background var(--t), box-shadow var(--t);
}
.method:hover{ border-color: var(--line-strong); }
.method.active{ border-color: var(--ink); background:#fff; box-shadow: 0 0 0 4px rgba(10,10,10,.05); }
.method .ic{
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--paper-2);
  display: grid; place-items: center;
}
.method.active .ic{ background: var(--ink); color: #fff; }
.method .name{ font-weight: 600; font-size: 14px; }
.method .tag{ font-size: 11px; padding: 2px 8px; }
.method .row{ display: flex; flex-direction: column; line-height: 1.2; gap: 4px; }

.pay-summary{ position: sticky; top: 24px; align-self: start; }
.sum-item{
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}
.sum-item:last-of-type{ border-bottom: 0; }
.sum-item .ph{
  width: 50px; height: 50px; border-radius: 12px;
  background: linear-gradient(135deg, var(--paper-2), var(--paper-3));
  display: grid; place-items: center;
  font-weight: 700; color: var(--graphite);
}
.sum-item .name{ font-size: 13.5px; font-weight: 600; }
.sum-item .sub{ font-size: 12px; color: var(--mute); }
.sum-item .price{ margin-left: auto; font-variant-numeric: tabular-nums; font-weight: 600; }
.sum-totals{
  border-top: 1px solid var(--line);
  margin-top: 12px; padding-top: 14px;
  display: flex; flex-direction: column; gap: 6px;
}
.sum-row{ display: flex; justify-content: space-between; font-size: 13.5px; color: var(--mute); }
.sum-row.big{
  margin-top: 6px; color: var(--ink); font-size: 20px; font-weight: 600; letter-spacing: -0.015em;
}

/* Pix view */
.pix-box{
  display: grid; place-items: center; gap: 18px;
  padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #fff, var(--paper));
}
.qr{
  width: 220px; height: 220px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(21, 1fr);
  grid-template-rows: repeat(21, 1fr);
  gap: 0;
}
.qr .qc{ background: var(--ink); border-radius: 1px; }
.qr .qc.b{ background: transparent; }
.pix-code{
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  font-size: 12px;
  word-break: break-all;
  background: var(--paper);
}

/* Order bumps offers (in checkout creator and on customer page) */
.bump{
  display: flex; align-items: stretch; gap: 14px;
  padding: 14px;
  border: 1.5px dashed var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff, var(--paper));
  cursor: pointer;
  transition: border-color var(--t), background var(--t), box-shadow var(--t);
}
.bump:hover{ border-color: var(--ink); }
.bump.on{ border-style: solid; border-color: var(--ink); box-shadow: 0 0 0 4px rgba(10,10,10,.05); background:#fff; }
.bump .checkbox{ align-self: flex-start; padding-top: 2px; }
.bump .info{ display: flex; flex-direction: column; gap: 4px; flex: 1; }
.bump .info b{ font-size: 14px; }
.bump .info span{ font-size: 12.5px; color: var(--mute); }
.bump .price{
  font-variant-numeric: tabular-nums;
  font-weight: 700; font-size: 16px;
  white-space: nowrap;
}

/* Empty state */
.empty{
  display: grid; place-items: center;
  padding: 60px 20px;
  text-align: center;
  color: var(--mute);
  border: 1px dashed var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
}
.empty .ic{
  width: 56px; height: 56px; border-radius: 16px;
  background: #fff; display: grid; place-items: center;
  border: 1px solid var(--line); margin-bottom: 12px;
}
.empty h4{ color: var(--ink); margin: 0 0 4px; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }

/* Reveal animation */
.in{ animation: in .55s var(--ease) both; }
@keyframes in{ from{ opacity: 0; transform: translateY(10px); } to{ opacity: 1; transform: none; } }

/* Scrollbar */
::-webkit-scrollbar{ width: 10px; height: 10px; }
::-webkit-scrollbar-thumb{ background: rgba(10,10,10,.18); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover{ background: rgba(10,10,10,.28); }
::-webkit-scrollbar-track{ background: transparent; }

/* ============================================================
   Image Dropper — drag/drop image upload for products & bumps
   ============================================================ */
.img-dropper{
  position: relative;
  border: 1.5px dashed var(--line-strong);
  border-radius: 14px;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(255,255,255,.7), rgba(247,246,244,.95)),
    var(--paper);
  min-height: 180px;
  display: grid; place-items: center;
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--t), background var(--t), box-shadow var(--t), transform var(--t);
}
.img-dropper:hover{
  border-color: var(--ink);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.85),
    0 22px 44px -28px rgba(10,10,10,.25);
}
.img-dropper.dragging{
  border-style: solid;
  border-color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255,255,255,.85), rgba(247,246,244,.95));
  transform: scale(1.005);
}
.img-dropper.has-img{
  border-style: solid;
  background: var(--ink);
  border-color: var(--line);
  padding: 0;
}
.img-dropper-preview{
  width: 100%; height: 100%;
  max-height: 240px;
  object-fit: cover;
  display: block;
  border-radius: 12px;
}
.img-dropper-actions{
  position: absolute; bottom: 10px; right: 10px;
  display: flex; gap: 6px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--t), transform var(--t);
}
.img-dropper:hover .img-dropper-actions{ opacity: 1; transform: none; }
.img-dropper-empty{
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 24px;
  text-align: center;
}
.img-dropper-icon{
  width: 48px; height: 48px;
  border-radius: 14px;
  background: linear-gradient(180deg, #fff, var(--paper-2));
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--ink);
  margin-bottom: 6px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.9),
    inset 0 -1px 0 rgba(10,10,10,.04),
    0 8px 18px -12px rgba(0,0,0,.18);
}

/* Product / bump thumbnail used in lists */
.thumb{
  width: 48px; height: 48px; border-radius: 12px;
  background:
    linear-gradient(135deg, var(--paper-2), var(--paper-3));
  border: 1px solid var(--line);
  display: grid; place-items: center;
  overflow: hidden;
  flex: 0 0 auto;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.7),
    inset 0 -1px 0 rgba(10,10,10,.03);
}
.thumb img{ width: 100%; height: 100%; object-fit: cover; }
.thumb svg{ color: var(--mute); }
.thumb-lg{ width: 64px; height: 64px; border-radius: 14px; }

/* ============================================================
   Liquid Glass — Premium tier (used on hero CTAs & key surfaces)
   3D depth with multi-layer highlights + parallax glow.
   ============================================================ */
.btn-liquid{
  position: relative;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.55));
  border: 1px solid rgba(255,255,255,.85);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,1),
    inset 0 -1px 0 rgba(10,10,10,.05),
    inset 0 -10px 24px -16px rgba(10,10,10,.10),
    0 18px 36px -20px rgba(10,10,10,.30),
    0 2px 4px rgba(255,255,255,.7);
  overflow: hidden;
  isolation: isolate;
}
.btn-liquid::before{
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background:
    radial-gradient(120% 100% at 50% -20%, rgba(255,255,255,.85), rgba(255,255,255,0) 60%);
  pointer-events: none;
  z-index: 1;
}
.btn-liquid::after{
  content: "";
  position: absolute;
  left: -40%;
  top: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.7), transparent);
  transform: skewX(-20deg);
  transition: left .7s var(--ease);
  pointer-events: none;
  z-index: 2;
}
.btn-liquid:hover::after{ left: 130%; }
.btn-liquid:hover{
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,1),
    inset 0 -1px 0 rgba(10,10,10,.05),
    inset 0 -10px 24px -16px rgba(10,10,10,.10),
    0 30px 60px -24px rgba(10,10,10,.45),
    0 2px 4px rgba(255,255,255,.7);
}
.btn-liquid > *{ position: relative; z-index: 3; }

/* Dark liquid (on ink surfaces) */
.btn-liquid-dark{
  position: relative;
  background:
    linear-gradient(180deg, rgba(60,60,68,.85), rgba(8,8,12,.92));
  color: #fff;
  border: 1px solid rgba(255,255,255,.16);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.28),
    inset 0 -1px 0 rgba(0,0,0,.4),
    inset 0 -10px 24px -16px rgba(0,0,0,.6),
    0 22px 44px -22px rgba(0,0,0,.55);
  overflow: hidden;
  isolation: isolate;
}
.btn-liquid-dark::before{
  content: "";
  position: absolute; inset: 1px;
  border-radius: inherit;
  background: radial-gradient(120% 100% at 50% -20%, rgba(255,255,255,.22), rgba(255,255,255,0) 60%);
  pointer-events: none; z-index: 1;
}
.btn-liquid-dark::after{
  content: "";
  position: absolute; left: -40%; top: 0;
  width: 40%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.18), transparent);
  transform: skewX(-20deg);
  transition: left .7s var(--ease);
  pointer-events: none; z-index: 2;
}
.btn-liquid-dark:hover::after{ left: 130%; }
.btn-liquid-dark:hover{
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.32),
    inset 0 -1px 0 rgba(0,0,0,.5),
    inset 0 -10px 24px -16px rgba(0,0,0,.7),
    0 36px 72px -28px rgba(0,0,0,.7);
}
.btn-liquid-dark > *{ position: relative; z-index: 3; }

/* ============================================================
   3D card tilt — gentle perspective lift on hover
   ============================================================ */
.tilt-3d{
  transition:
    transform .5s var(--ease),
    box-shadow .5s var(--ease),
    border-color .5s var(--ease);
  transform-style: preserve-3d;
  will-change: transform;
}
.tilt-3d:hover{
  transform: perspective(800px) translateY(-4px) rotateX(2deg) rotateY(-2deg);
  box-shadow:
    0 36px 72px -28px rgba(10,10,10,.35),
    0 4px 12px -6px rgba(10,10,10,.10);
}

/* Product / bump card with glass + 3D */
.glass-card{
  position: relative;
  background:
    linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.55));
  border: 1px solid rgba(255,255,255,.85);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.95),
    inset 0 -1px 0 rgba(10,10,10,.04),
    0 22px 44px -28px rgba(10,10,10,.22);
  overflow: hidden;
}
.glass-card::before{
  content:"";
  position: absolute; inset: 0;
  pointer-events: none;
  background: radial-gradient(120% 60% at 50% 0%, rgba(255,255,255,.6), transparent 60%);
  z-index: 1;
}
.glass-card > *{ position: relative; z-index: 2; }

/* Bump card hero image */
.bump-hero{
  margin: -24px -24px 0;
  height: 140px;
  background:
    linear-gradient(135deg, var(--ink), var(--ink-2));
  position: relative;
  overflow: hidden;
}
.bump-hero img{
  width: 100%; height: 100%; object-fit: cover;
  display: block;
}
.bump-hero::after{
  content:""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,.35) 100%);
  pointer-events: none;
}