/* =====================================================================
   Calculadora — Soft Modern Dark
   Design system: refined dark, soft borders, generous radii, calm motion
   ===================================================================== */

:root {
  /* Backgrounds — warm-tinted dark */
  --bg:            #0c0d10;
  --bg-canvas:     #0f1115;
  --surface:       #15171c;
  --surface-2:     #1a1d23;
  --surface-3:     #1f232a;
  --surface-hover: #232830;
  --surface-input: #181b21;

  /* Borders */
  --border:        #23262e;
  --border-soft:   #1c1f25;
  --border-strong: #2d3139;

  /* Text */
  --text:          #e9ebef;
  --text-2:        #b6bac3;
  --text-3:        #7a808c;
  --text-4:        #545864;

  /* Accent (default — overridden by tweak) */
  --accent:        #e3b878;
  --accent-soft:   rgba(227, 184, 120, 0.10);
  --accent-strong: #f0c890;
  --on-accent:     #15110a;

  /* Semantic */
  --positive:      #6ee7b7;
  --positive-soft: rgba(110, 231, 183, 0.10);
  --negative:      #fda4af;
  --negative-soft: rgba(253, 164, 175, 0.10);
  --info:          #93c5fd;
  --info-soft:     rgba(147, 197, 253, 0.10);

  /* Shape */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;

  /* Shadow */
  --sh-1: 0 1px 0 rgba(255,255,255,0.02) inset, 0 1px 2px rgba(0,0,0,0.3);
  --sh-2: 0 4px 16px rgba(0,0,0,0.35), 0 1px 0 rgba(255,255,255,0.02) inset;
  --sh-3: 0 16px 40px rgba(0,0,0,0.5), 0 1px 0 rgba(255,255,255,0.03) inset;
  --sh-focus: 0 0 0 3px rgba(227, 184, 120, 0.18);

  /* Type */
  --font-sans: 'Geist', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', monospace;

  /* Layout */
  --sidebar-w: 232px;
  --rail-w: 340px;
  --topbar-h: 56px;

  /* Density */
  --pad: 14px;
  --gap: 14px;
}

[data-density="compact"] { --pad: 10px; --gap: 10px; }
[data-density="cozy"]    { --pad: 18px; --gap: 18px; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.5;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

.mono, input.mono, .num {
  font-family: var(--font-mono);
  font-feature-settings: 'tnum' 1, 'zero' 1, 'ss01' 1;
  letter-spacing: -0.01em;
}

/* ============== APP SHELL ============== */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr var(--rail-w);
  min-height: 100vh;
}

@media (max-width: 1280px) {
  .app { grid-template-columns: var(--sidebar-w) 1fr; }
  .rail { display: none; }
}

@media (max-width: 880px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
}

/* ============== SIDEBAR ============== */
.sidebar {
  background: var(--bg-canvas);
  border-right: 1px solid var(--border-soft);
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 10px 18px;
  margin-bottom: 4px;
}
.brand-mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  display: grid; place-items: center;
  color: var(--on-accent);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.04em;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.4) inset;
}
.brand-name {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.015em;
  color: var(--text);
}
.brand-sub {
  font-size: 10.5px;
  color: var(--text-4);
  margin-top: 1px;
  letter-spacing: 0;
}

.nav-section {
  padding: 14px 10px 6px;
  font-size: 10.5px;
  font-weight: 500;
  color: var(--text-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  transition: background 120ms, color 120ms;
  user-select: none;
  border: 1px solid transparent;
}
.nav-item:hover {
  background: var(--surface);
  color: var(--text);
}
.nav-item.active {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}
.nav-item .ico {
  width: 14px; height: 14px;
  color: var(--text-3);
  flex-shrink: 0;
}
.nav-item.active .ico { color: var(--accent); }
.nav-item .badge {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-4);
  font-family: var(--font-mono);
  background: var(--surface);
  padding: 1px 6px;
  border-radius: 4px;
}
.nav-item.active .badge { background: var(--surface-3); color: var(--text-3); }

.nav-product-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--r-sm);
  font-size: 12.5px;
  color: var(--text-2);
  cursor: pointer;
  transition: background 120ms;
}
.nav-product-row:hover { background: var(--surface); color: var(--text); }
.nav-product-row.active {
  background: var(--surface-2);
  color: var(--text);
}
.nav-product-row .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-4);
  flex-shrink: 0;
}
.nav-product-row.active .dot { background: var(--accent); }
.nav-product-row .name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-product-row .close {
  width: 16px; height: 16px;
  border-radius: 4px;
  display: none;
  place-items: center;
  color: var(--text-4);
  font-size: 14px;
  line-height: 1;
}
.nav-product-row:hover .close { display: grid; }
.nav-product-row .close:hover { background: var(--surface-3); color: var(--negative); }

.nav-add {
  padding: 7px 10px;
  border-radius: var(--r-sm);
  font-size: 12.5px;
  color: var(--text-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px dashed var(--border);
  background: transparent;
  margin: 4px 0;
  width: 100%;
  font-family: inherit;
  white-space: nowrap;
}
.nav-add:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }

.sidebar-footer {
  margin-top: auto;
  padding: 8px 10px;
  border-top: 1px solid var(--border-soft);
  font-size: 11px;
  color: var(--text-4);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-footer .avatar {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--surface-3);
  display: grid; place-items: center;
  color: var(--text-2);
  font-size: 11px; font-weight: 600;
}

/* ============== MAIN ============== */
.main-wrap {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}
.topbar {
  height: var(--topbar-h);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(20px);
}
.topbar-title {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.topbar-eyebrow {
  font-size: 10.5px;
  color: var(--text-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}
.topbar-name {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main {
  flex: 1;
  padding: 24px 28px 60px;
  width: 100%;
  max-width: 920px;
}

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  font-size: 12.5px;
  font-family: inherit;
  font-weight: 500;
  border-radius: var(--r-sm);
  cursor: pointer;
  letter-spacing: -0.005em;
  transition: background 120ms, border-color 120ms, color 120ms;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-hover); border-color: var(--border-strong); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-2);
}
.btn-ghost:hover { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn-positive {
  background: transparent;
  border-color: var(--positive);
  color: var(--positive);
  font-weight: 600;
}
.btn-positive:hover { background: var(--positive-soft); }
.btn-danger:hover { color: var(--negative); border-color: var(--negative); }
.btn-sm { padding: 4px 9px; font-size: 11.5px; }
.btn-lg { padding: 9px 18px; font-size: 13px; }

.btn .ico { width: 13px; height: 13px; }

/* ============== CARD ============== */
.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: var(--sh-1);
}
.card-head {
  padding: 14px 18px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--border-soft);
}
.card-head .h-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.card-head .h-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-4);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.card-head .h-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.card-head .h-sub {
  font-size: 11.5px;
  color: var(--text-3);
  margin-left: auto;
}
.card-body { padding: 18px; }
.card-body.flush { padding: 0; }

/* ============== FORM ============== */
.grid { display: grid; gap: var(--gap); }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
/* Tighter grid responsive breakpoints */
@media (max-width: 1180px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-size: 11.5px;
  color: var(--text-3);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}
.field-hint { font-size: 10.5px; color: var(--text-4); margin-top: 2px; }
.field-hint.warn { color: var(--negative); }

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
select, textarea {
  background: var(--surface-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 11px;
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 13px;
  width: 100%;
  transition: border-color 120ms, background 120ms, box-shadow 120ms;
}
select, input[type="text"]:not(.mono),
input[type="email"], input[type="password"] {
  font-family: var(--font-sans);
}
textarea {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  min-height: 100px;
  resize: vertical;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--sh-focus);
  background: var(--surface-2);
}
input.input-warn {
  border-color: var(--negative);
  background: var(--negative-soft);
}
input[type="number"] { -moz-appearance: textfield; }
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none; margin: 0;
}

.computed {
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  color: var(--text);
  padding: 8px 11px;
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: right;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.computed.accent { color: var(--accent); border-color: rgba(227, 184, 120, 0.25); }
.computed.positive { color: var(--positive); border-color: rgba(110, 231, 183, 0.22); }
.computed.negative { color: var(--negative); border-color: rgba(253, 164, 175, 0.22); }
.computed.info { color: var(--info); border-color: rgba(147, 197, 253, 0.22); }

/* ============== SEGMENTED ============== */
.segmented {
  display: inline-flex;
  background: var(--surface-input);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 2px;
  gap: 2px;
}
.segmented.full { display: flex; }
.seg-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-3);
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 120ms, color 120ms;
}
.seg-btn:hover { color: var(--text); }
.seg-btn.active {
  background: var(--surface-3);
  color: var(--text);
  box-shadow: var(--sh-1);
}

/* ============== TIP ============== */
.tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--surface-3);
  color: var(--text-3);
  font-size: 9px;
  font-weight: 600;
  cursor: help;
  border: 1px solid var(--border);
  user-select: none;
  font-family: var(--font-sans);
}
.tip:hover { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }

/* ============== TABLE / DRE ============== */
.dre {
  font-family: var(--font-sans);
}
.dre-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 24px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border-soft);
  align-items: center;
  font-size: 13px;
}
.dre-row.head {
  padding: 11px 18px;
  background: var(--surface-2);
  color: var(--text-4);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-soft);
}
.dre-row.subtotal {
  background: var(--surface-2);
  font-weight: 600;
  color: var(--text);
}
.dre-row.final {
  background: var(--accent-soft);
  font-weight: 700;
  color: var(--accent);
  border-top: 1px solid rgba(227, 184, 120, 0.3);
  border-bottom: none;
}
.dre-row .label { display: flex; align-items: center; gap: 8px; }
.dre-row .value,
.dre-row .pct,
.dre-row .unit {
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-align: right;
}
.dre-row .pct, .dre-row .unit { color: var(--text-3); font-size: 11.5px; min-width: 64px; }
.dre-row.final .value { font-size: 14.5px; }
.dre-row.final .pct, .dre-row.final .unit { color: var(--accent); opacity: 0.8; }
.dre-row .neg { color: var(--negative); }

/* ============== KPI RAIL ============== */
.rail {
  border-left: 1px solid var(--border-soft);
  background: var(--bg-canvas);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 18px 18px 60px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.rail-section-label {
  font-size: 10.5px;
  font-weight: 500;
  color: var(--text-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
  padding: 0 2px;
}

.kpi-hero {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  position: relative;
  overflow: hidden;
}
.kpi-hero::after {
  content: '';
  position: absolute;
  top: -40%; right: -20%;
  width: 200px; height: 200px;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
  pointer-events: none;
}
.kpi-hero .label {
  font-size: 10.5px;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.kpi-hero .value {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--accent);
  line-height: 1.1;
}
.kpi-hero .value.neg { color: var(--negative); }
.kpi-hero .sub {
  margin-top: 6px;
  font-size: 11.5px;
  color: var(--text-3);
  font-family: var(--font-mono);
}
.kpi-hero .sub .pos { color: var(--positive); }
.kpi-hero .sub .neg { color: var(--negative); }

.kpi-mini {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.kpi-mini-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: 11px 13px;
}
.kpi-mini-card .label {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-4);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.kpi-mini-card .value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.kpi-mini-card .value.pos { color: var(--positive); }
.kpi-mini-card .value.neg { color: var(--negative); }
.kpi-mini-card .value.info { color: var(--info); }
.kpi-mini-card .sub {
  font-size: 10.5px;
  color: var(--text-4);
  margin-top: 2px;
  font-family: var(--font-mono);
}

/* Distribution bar (carga tributária visual) */
.dist-bar {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: 13px 15px;
}
.dist-bar .label {
  font-size: 10.5px;
  font-weight: 500;
  color: var(--text-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}
.dist-bar .track {
  height: 6px;
  border-radius: 100px;
  background: var(--surface-3);
  overflow: hidden;
  display: flex;
}
.dist-bar .track .seg {
  height: 100%;
  transition: width 300ms;
}
.dist-bar .legend {
  margin-top: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 10px;
  font-size: 10.5px;
  color: var(--text-3);
}
.dist-bar .legend .row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
}
.dist-bar .legend .swatch {
  width: 7px; height: 7px;
  border-radius: 2px;
}

/* ============== INSUMOS ============== */
.insumos {
  background: var(--surface);
}
.insumos-head {
  display: grid;
  grid-template-columns: 1.7fr 0.9fr 0.9fr 0.9fr 0.9fr 1.3fr;
  gap: 10px;
  padding: 11px 18px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border-soft);
  font-size: 10.5px;
  font-weight: 500;
  color: var(--text-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.insumo {
  display: grid;
  grid-template-columns: 1.7fr 0.9fr 0.9fr 0.9fr 0.9fr 1.3fr;
  gap: 10px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border-soft);
  align-items: center;
  transition: background 120ms;
}
.insumo:hover { background: var(--surface-2); }
.insumo.custom { border-left: 2px solid var(--accent); padding-left: 16px; }
.insumo input {
  padding: 5px 9px;
  font-size: 12px;
}
.insumo .nome {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
}
.insumo .nota {
  font-size: 11px;
  color: var(--text-4);
}
.insumo .nome-input {
  background: transparent;
  border: 1px solid transparent;
  padding: 5px 8px;
  font-size: 12.5px;
  font-family: var(--font-sans);
  color: var(--text);
  border-radius: 4px;
}
.insumo .nome-input:hover { border-color: var(--border); }
.insumo .nome-input:focus {
  background: var(--surface-input);
  border-color: var(--accent);
}
.insumo .nota-input {
  background: transparent;
  border: 1px solid transparent;
  padding: 4px 8px;
  font-size: 11px;
  font-family: var(--font-sans);
  color: var(--text-3);
  flex: 1;
  min-width: 0;
}
.insumo .nota-input:hover { border-color: var(--border-soft); }
.insumo .nota-input:focus {
  background: var(--surface-input);
  border-color: var(--accent);
  color: var(--text);
}
.insumo-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.icon-btn {
  width: 22px; height: 22px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-4);
  font-size: 14px;
  line-height: 1;
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
}
.icon-btn:hover { color: var(--negative); border-color: var(--border); background: var(--surface-input); }

.insumo-add-bar {
  padding: 10px 18px;
  border-bottom: 1px solid var(--border-soft);
}
.insumo-subtotal {
  display: grid;
  grid-template-columns: 1.7fr 0.9fr 0.9fr 0.9fr 0.9fr 1.3fr;
  gap: 10px;
  padding: 12px 18px;
  background: var(--surface-2);
  font-weight: 600;
  font-size: 12.5px;
}
.insumo-subtotal .label { color: var(--text); }
.insumo-subtotal .value {
  font-family: var(--font-mono);
  color: var(--accent);
}

/* ============== HISTORIA ============== */
.hist-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  gap: 12px;
}
.hist-toolbar h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.hist-toolbar .meta {
  font-size: 11.5px;
  color: var(--text-4);
  font-family: var(--font-mono);
}
.hist-empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-3);
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--r-lg);
}
.hist-empty .big {
  font-size: 32px;
  margin-bottom: 12px;
  opacity: 0.5;
}
.hist-table {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.hist-row {
  display: grid;
  grid-template-columns: 70px 1fr 110px 80px 100px 80px 100px 100px;
  gap: 14px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-soft);
  align-items: center;
  cursor: pointer;
  transition: background 120ms;
  font-size: 12.5px;
}
.hist-row:last-child { border-bottom: none; }
.hist-row:hover { background: var(--surface-2); }
.hist-row.head {
  background: var(--surface-2);
  font-size: 10.5px;
  font-weight: 500;
  color: var(--text-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: default;
}
.hist-row.head:hover { background: var(--surface-2); }
.hist-row .seq {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  background: var(--surface-3);
  color: var(--accent);
  padding: 3px 8px;
  border-radius: 4px;
  display: inline-block;
  border: 1px solid rgba(227, 184, 120, 0.18);
}
.hist-row .num {
  font-family: var(--font-mono);
  text-align: right;
}
.hist-row .actions {
  display: flex;
  gap: 4px;
  justify-content: flex-end;
}
.hist-row .actions button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-3);
  padding: 3px 8px;
  font-size: 10.5px;
  font-family: inherit;
  border-radius: 4px;
  cursor: pointer;
}
.hist-row .actions button:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-input); }
.hist-row .actions button.del:hover { color: var(--negative); border-color: var(--negative); }

/* ============== UFs ============== */
.uf-grid {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.uf-row {
  display: grid;
  grid-template-columns: 80px 1fr 1fr 1fr 1fr;
  gap: 14px;
  padding: 11px 18px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 13px;
  align-items: center;
}
.uf-row:last-child { border-bottom: none; }
.uf-row.head {
  background: var(--surface-2);
  font-size: 10.5px;
  color: var(--text-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}
.uf-row .uf {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
}
.uf-row .v {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-2);
}

/* ============== BANNERS / HINTS ============== */
.banner {
  border-radius: var(--r-md);
  padding: 12px 16px;
  font-size: 12.5px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
  line-height: 1.45;
}
.banner-warn {
  background: var(--negative-soft);
  border: 1px solid rgba(253, 164, 175, 0.25);
  color: var(--negative);
}
.banner-info {
  background: var(--info-soft);
  border: 1px solid rgba(147, 197, 253, 0.22);
  color: var(--info);
}
.banner-accent {
  background: var(--accent-soft);
  border: 1px solid rgba(227, 184, 120, 0.25);
  color: var(--accent);
}
.banner strong { font-weight: 600; }
.banner .ico {
  flex-shrink: 0;
  margin-top: 1px;
}

/* ============== SAVE BAR ============== */
.save-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  margin-top: 16px;
}
.save-bar .hint {
  font-size: 11.5px;
  color: var(--text-4);
}

/* ============== PILLS ============== */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 10.5px;
  font-family: var(--font-mono);
  color: var(--text-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-weight: 500;
}
.pill.accent { background: var(--accent-soft); color: var(--accent); border-color: rgba(227, 184, 120, 0.22); }
.pill.positive { background: var(--positive-soft); color: var(--positive); border-color: rgba(110, 231, 183, 0.22); }
.pill.negative { background: var(--negative-soft); color: var(--negative); border-color: rgba(253, 164, 175, 0.22); }

/* ============== TOAST ============== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translate(-50%, 12px);
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  padding: 10px 18px;
  border-radius: var(--r-md);
  font-size: 12.5px;
  z-index: 200;
  opacity: 0;
  transition: all 200ms;
  pointer-events: none;
  box-shadow: var(--sh-3);
  display: flex;
  align-items: center;
  gap: 8px;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { border-color: var(--negative); color: var(--negative); }
.toast.ok { border-color: var(--positive); color: var(--positive); }

/* ============== PRODUCT NAME INPUT ============== */
.product-name {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  background: transparent;
  border: none;
  color: var(--text);
  padding: 4px 0;
  margin-bottom: 4px;
  font-family: var(--font-sans);
  width: 100%;
}
.product-name:focus {
  outline: none;
  box-shadow: 0 1px 0 var(--accent);
}
.product-meta {
  font-size: 11.5px;
  color: var(--text-4);
  margin-bottom: 20px;
  display: flex;
  gap: 10px;
  align-items: center;
}

/* ============== DIVIDER ============== */
.subhead {
  margin-top: 22px;
  margin-bottom: 12px;
  font-size: 10.5px;
  font-weight: 500;
  color: var(--text-4);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============== SCROLLBAR ============== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--surface-3);
  border-radius: 100px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* ============== ICONS ============== */
.ico {
  display: inline-block;
  vertical-align: middle;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ============== SUPABASE: LOGIN ============== */
.login-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--sh-3);
  overflow: hidden;
}
.login-head {
  padding: 24px 24px 8px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.login-brand-mark {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--on-accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px;
  letter-spacing: -0.01em;
}
.login-title {
  font-size: 15px; font-weight: 700;
  color: var(--text-1); letter-spacing: -0.01em;
}
.login-sub {
  font-size: 11.5px; color: var(--text-3);
  margin-top: 2px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.login-body {
  padding: 8px 24px 16px;
}
.login-body .field { margin-bottom: 14px; }
.login-error {
  color: var(--negative);
  font-size: 12px;
  margin-top: 8px;
  padding: 8px 10px;
  background: rgba(248, 113, 113, 0.08);
  border-radius: 6px;
  border-left: 2px solid var(--negative);
}
.login-foot {
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border-soft);
}

/* ============== LOADING OVERLAY ============== */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 8, 12, 0.55);
  backdrop-filter: blur(3px);
  z-index: 9500;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.loading-spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--surface-3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.loading-text {
  font-size: 12.5px;
  color: var(--text-2);
  font-weight: 500;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============== VIEW MODE BANNER ============== */
.view-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 16px;
  margin-bottom: 16px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  font-size: 12.5px;
}
.view-banner-info {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-1);
  flex: 1;
  min-width: 0;
}
.view-banner-info > div { min-width: 0; }
.view-banner strong { color: var(--accent); }

/* ============== XML SELECT MODAL ============== */
.xml-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  z-index: 9100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.xml-modal-card {
  width: 100%;
  max-width: 720px;
  max-height: calc(100vh - 48px);
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--sh-3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.xml-modal-head {
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  border-bottom: 1px solid var(--border-soft);
}
.xml-modal-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.01em;
}
.xml-modal-sub {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 4px;
  line-height: 1.5;
}
.xml-modal-close {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-3);
  width: 28px; height: 28px;
  border-radius: 6px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.xml-modal-close:hover { color: var(--negative); border-color: var(--negative); }

.xml-modal-toolbar {
  padding: 12px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border-soft);
  font-size: 12.5px;
  color: var(--text-2);
}
.xml-modal-toolbar-info strong { color: var(--text-1); }

.xml-modal-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}
.xml-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: 6px;
  margin: 4px 0;
  cursor: pointer;
  transition: all 0.12s;
}
.xml-item:hover {
  background: var(--surface-2);
  border-color: var(--border-soft);
}
.xml-item.selected {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.xml-item.is-st {
  border-left: 3px solid var(--negative);
}
.xml-item-check input { cursor: pointer; }
.xml-item-body { flex: 1; min-width: 0; }
.xml-item-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.xml-item-meta {
  font-size: 11.5px;
  color: var(--text-3);
  margin-top: 3px;
  font-family: var(--font-mono);
}
.xml-item-value {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-1);
  white-space: nowrap;
}
.st-pill {
  background: rgba(248, 113, 113, 0.15);
  color: var(--negative);
  border: 1px solid var(--negative);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
}

.xml-modal-summary {
  padding: 14px 22px;
  background: var(--surface-2);
  border-top: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.xml-summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--text-2);
}
.xml-summary-row strong {
  color: var(--text-1);
  font-family: var(--font-mono);
}
.xml-summary-warn {
  margin-top: 6px;
  padding: 8px 10px;
  background: rgba(248, 113, 113, 0.08);
  color: var(--negative);
  border-left: 2px solid var(--negative);
  border-radius: 4px;
  font-size: 12px;
}

.xml-modal-foot {
  padding: 14px 22px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  border-top: 1px solid var(--border-soft);
  background: var(--surface-1);
}