/* ==========================================================================
   정육왕 (미트킹) meatking.online — Design System & Responsive Stylesheet
   ========================================================================== */

:root {
  --bg-body: #F4F6F9;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F8FAFC;
  --bg-dark: #0F172A;
  --bg-darker: #090E1A;
  --border-light: #E2E8F0;
  --border-strong: #CBD5E1;

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-inverse: #F8FAFC;

  --brand-red: #DC2626;
  --brand-red-dark: #B91C1C;
  --brand-red-soft: #FEF2F2;
  --brand-red-border: #FECACA;

  --up-red: #E11D48;
  --up-bg: rgba(225, 29, 72, 0.14);
  --down-blue: #2563EB;
  --down-bg: rgba(37, 99, 235, 0.14);
  --flat-gray: #94A3B8;

  --profit-green: #059669;
  --profit-soft: #ECFDF5;
  --profit-border: #A7F3D0;

  --warn-amber: #D97706;
  --warn-soft: #FFFBEB;
  --warn-border: #FDE68A;

  --info-blue: #1D4ED8;
  --info-soft: #EFF6FF;
  --info-border: #BFDBFE;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.14);

  --container-max: 1240px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Malgun Gothic", "맑은 고딕", sans-serif;
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 16px;
  word-break: keep-all;
}

.num, table td, .ticker-price, .kpi-value, input[type="text"].num-input, input[type="number"] {
  font-variant-numeric: tabular-nums;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   1. Stock-Market Style Wholesale Meat Ticker Bar (주식 전광판 스타일 도매시세)
   ========================================================================== */
.stock-ticker-bar {
  background: var(--bg-darker);
  color: var(--text-inverse);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  font-size: 13px;
}

.ticker-inner {
  display: flex;
  align-items: center;
  height: 40px;
  overflow: hidden;
}

.ticker-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #DC2626, #991B1B);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 12px;
  padding: 0 14px;
  height: 100%;
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.ticker-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4ADE80;
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.25);
  animation: pulseDot 1.8s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

.ticker-viewport {
  flex: 1;
  overflow: hidden;
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.ticker-track {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  will-change: transform;
  animation: tickerMarquee 116s linear infinite;
}

.ticker-track.paused,
.ticker-viewport:hover .ticker-track {
  animation-play-state: paused;
}

@keyframes tickerMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: background-color 0.15s;
}

.ticker-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.ticker-cat {
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.11);
  color: #E2E8F0;
}

.ticker-cat.cat-handon { background: rgba(244, 63, 94, 0.24); color: #FDA4AF; }
.ticker-cat.cat-hanwoo { background: rgba(245, 158, 11, 0.24); color: #FCD34D; }
.ticker-cat.cat-impbeef { background: rgba(59, 130, 246, 0.24); color: #93C5FD; }
.ticker-cat.cat-imppork { background: rgba(16, 185, 129, 0.24); color: #6EE7B7; }

.ticker-name {
  color: #F1F5F9;
  font-weight: 600;
}

.ticker-price {
  color: #FFFFFF;
  font-weight: 700;
}

.ticker-change {
  font-size: 12px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
}

.ticker-change.up {
  color: #FB7185;
  background: rgba(244, 63, 94, 0.16);
}

.ticker-change.down {
  color: #60A5FA;
  background: rgba(59, 130, 246, 0.18);
}

.ticker-change.flat {
  color: #94A3B8;
  background: rgba(148, 163, 184, 0.14);
}

.ticker-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 10px;
  background: #111827;
  height: 100%;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.ticker-ctrl-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #E2E8F0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 5px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.ticker-ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
}

/* ==========================================================================
   2. Main Navigation Header
   ========================================================================== */
.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-xs);
  position: sticky;
  top: 40px;
  z-index: 990;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 16px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(220, 38, 38, 0.18);
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.15;
}

.brand-title span {
  color: var(--brand-red);
}

.brand-sub {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 3px;
  flex-wrap: nowrap;
}

.nav-link {
  padding: 8px 11px;
  border-radius: var(--radius-sm);
  font-size: 13.8px;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.nav-link:hover {
  background: var(--bg-subtle);
  color: var(--text-primary);
}

.nav-link.active {
  background: var(--brand-red-soft);
  color: var(--brand-red);
}

.nav-badge-new {
  font-size: 10px;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 99px;
  background: var(--brand-red);
  color: #FFFFFF;
}

.mobile-menu-btn {
  display: none;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 8px 11px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-primary);
}

/* ==========================================================================
   3. Hero & Page Headers
   ========================================================================== */
.hero-banner {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 60%, #2A1215 100%);
  color: #FFFFFF;
  padding: 40px 0 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 28px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(220, 38, 38, 0.22);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: #FCA5A5;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  margin-bottom: 14px;
}

.hero-title {
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}

.hero-title em {
  font-style: normal;
  color: #F87171;
}

.hero-desc {
  color: #CBD5E1;
  font-size: 15.5px;
  margin: 0 0 22px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-quick-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.hero-mini-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 15px 16px;
  transition: transform 0.15s, background-color 0.15s;
}

.hero-mini-card:hover {
  background: rgba(255, 255, 255, 0.11);
  transform: translateY(-2px);
}

.hero-mini-card .mc-icon {
  font-size: 20px;
  margin-bottom: 6px;
}

.hero-mini-card .mc-title {
  font-size: 14.5px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 3px;
}

.hero-mini-card .mc-sub {
  font-size: 12px;
  color: #94A3B8;
  line-height: 1.45;
}

/* ==========================================================================
   4. Buttons, Badges & Common UI Elements
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
  line-height: 1.2;
  white-space: nowrap;
}

.btn-sm {
  padding: 7px 12px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 24px;
  font-size: 15.5px;
  border-radius: 10px;
}

.btn-primary {
  background: var(--brand-red);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.25);
}

.btn-primary:hover {
  background: var(--brand-red-dark);
}

.btn-excel {
  background: #059669;
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.22);
}

.btn-excel:hover {
  background: #047857;
}

.btn-dark {
  background: var(--bg-dark);
  color: #FFFFFF;
}

.btn-dark:hover {
  background: #1E293B;
}

.btn-outline {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-outline:hover {
  background: var(--bg-subtle);
  border-color: #94A3B8;
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.22);
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.18);
}

.btn-danger-soft {
  background: var(--brand-red-soft);
  color: var(--brand-red);
  border-color: var(--brand-red-border);
}

.btn-danger-soft:hover {
  background: #FEE2E2;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.badge-green { background: var(--profit-soft); color: var(--profit-green); border: 1px solid var(--profit-border); }
.badge-red { background: var(--brand-red-soft); color: var(--brand-red); border: 1px solid var(--brand-red-border); }
.badge-amber { background: var(--warn-soft); color: var(--warn-amber); border: 1px solid var(--warn-border); }
.badge-blue { background: var(--info-soft); color: var(--info-blue); border: 1px solid var(--info-border); }
.badge-slate { background: #F1F5F9; color: #475569; border: 1px solid #CBD5E1; }

/* ==========================================================================
   5. Cards, Calculator Tabs, Inputs & Output Panels
   ========================================================================== */
.section-wrap {
  padding: 32px 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.section-title {
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 14.5px;
  margin: 4px 0 0;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

/* 3 Core Calculator Main Switcher Tabs */
.calc-tabs-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  background: #E2E8F0;
  padding: 6px;
  border-radius: var(--radius-md);
  margin-bottom: 22px;
}

.calc-tab-btn {
  background: transparent;
  border: none;
  border-radius: 9px;
  padding: 14px 16px;
  cursor: pointer;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.16s;
  color: var(--text-secondary);
}

.calc-tab-btn:hover {
  background: rgba(255, 255, 255, 0.55);
  color: var(--text-primary);
}

.calc-tab-btn.active {
  background: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: 0 3px 10px rgba(15, 23, 42, 0.09);
}

.calc-tab-num {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: #CBD5E1;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.calc-tab-btn.active .calc-tab-num {
  background: var(--brand-red);
  color: #FFFFFF;
}

.calc-tab-label strong {
  display: block;
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.calc-tab-label span {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.calc-panel {
  display: none;
}

.calc-panel.active {
  display: block;
}

.calc-workspace-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 24px;
  align-items: start;
}

/* Preset Chips */
.preset-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.chip-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 6px 11px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.14s;
}

.chip-btn:hover {
  border-color: var(--brand-red);
  color: var(--brand-red);
  background: var(--brand-red-soft);
}

.chip-btn.active {
  background: var(--bg-dark);
  color: #FFFFFF;
  border-color: var(--bg-dark);
}

/* Form Controls */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 15px;
}

.form-group {
  margin-bottom: 15px;
}

.form-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-hint {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control.has-unit {
  padding-right: 58px;
}

.form-control:focus {
  outline: none;
  border-color: var(--brand-red);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.input-unit {
  position: absolute;
  right: 13px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  pointer-events: none;
}

.quick-step-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}

.step-btn {
  background: #F1F5F9;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
}

.step-btn:hover {
  background: #E2E8F0;
  color: var(--text-primary);
}

.mode-toggle-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: #F1F5F9;
  padding: 4px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.mode-toggle-btn {
  border: none;
  background: transparent;
  padding: 9px 10px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
}

.mode-toggle-btn.active {
  background: var(--bg-surface);
  color: var(--brand-red);
  box-shadow: var(--shadow-xs);
}

input[type="range"].range-slider {
  width: 100%;
  accent-color: var(--brand-red);
  cursor: pointer;
  margin-top: 6px;
}

/* Result Highlight Panel */
.result-panel {
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.result-hero-box {
  background: var(--bg-dark);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
}

.result-hero-label {
  font-size: 13px;
  color: #94A3B8;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.result-price-main {
  font-size: 36px;
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: -0.03em;
  margin: 6px 0 12px;
  line-height: 1.15;
}

.result-price-main small {
  font-size: 16px;
  font-weight: 600;
  color: #FCA5A5;
  margin-left: 4px;
}

.price-unit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.price-unit-cell {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 9px 10px;
}

.price-unit-cell span {
  display: block;
  font-size: 11.5px;
  color: #94A3B8;
}

.price-unit-cell strong {
  display: block;
  font-size: 16px;
  font-weight: 800;
  color: #F8FAFC;
  margin-top: 2px;
}

.kpi-mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.kpi-mini-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 13px 14px;
}

.kpi-mini-card .k-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

.kpi-mini-card .k-val {
  font-size: 19px;
  font-weight: 800;
  margin-top: 3px;
  color: var(--text-primary);
}

.kpi-mini-card .k-sub {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Stacked Cost Breakdown Bar */
.stack-bar-wrap {
  margin: 14px 0;
}

.stack-bar-track {
  height: 22px;
  border-radius: 99px;
  overflow: hidden;
  display: flex;
  background: #E2E8F0;
}

.stack-seg {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: #FFFFFF;
  transition: width 0.25s ease;
  overflow: hidden;
}

.stack-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--text-secondary);
}

.legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  margin-right: 5px;
  vertical-align: middle;
}

/* ==========================================================================
   6. Data Tables (Saved Cuts Ledger, Market Board, Inventory Audit)
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 780px;
}

.data-table th {
  background: #F1F5F9;
  color: #334155;
  font-weight: 800;
  font-size: 12.5px;
  padding: 12px 13px;
  text-align: left;
  border-bottom: 1.5px solid var(--border-strong);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 13px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: #F8FAFC;
}

.data-table .text-right {
  text-align: right;
}

.data-table .text-center {
  text-align: center;
}

.inline-audit-input {
  width: 96px;
  padding: 6px 8px;
  border: 1.5px solid var(--brand-red);
  border-radius: 6px;
  font-weight: 800;
  text-align: right;
  background: #FFFDFD;
}

/* ==========================================================================
   7. Inventory AI Camera Upload Dropzone & OCR Modal
   ========================================================================== */
.ocr-upload-banner {
  background: linear-gradient(135deg, #FFF5F5 0%, #FFFFFF 60%, #F0FDF4 100%);
  border: 2px dashed #F87171;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: all 0.18s;
}

.ocr-upload-banner.dragover {
  border-color: var(--brand-red);
  background: #FEF2F2;
  transform: scale(1.005);
}

.kpi-dashboard-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}

.kpi-stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-xs);
}

.kpi-stat-card .stat-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
}

.kpi-stat-card .stat-num {
  font-size: 25px;
  font-weight: 900;
  color: var(--text-primary);
  margin: 6px 0 3px;
  letter-spacing: -0.02em;
}

.kpi-stat-card .stat-foot {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(3px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 16px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-box {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  max-width: 980px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 24px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 18px;
}

.modal-title {
  font-size: 19px;
  font-weight: 800;
  margin: 0;
}

/* ==========================================================================
   8. Editorial Guides & AdSense Rich Article Styling
   ========================================================================== */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.guide-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.16s, box-shadow 0.16s, border-color 0.16s;
}

.guide-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #FCA5A5;
}

.guide-cat-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  color: var(--brand-red);
  background: var(--brand-red-soft);
  padding: 3px 9px;
  border-radius: 6px;
  margin-bottom: 10px;
}

.guide-card h3 {
  font-size: 17.5px;
  font-weight: 800;
  line-height: 1.42;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.guide-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 16px;
  line-height: 1.6;
}

.guide-meta {
  font-size: 12.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}

/* Long-form Article Typography */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 820px) 320px;
  gap: 32px;
  align-items: start;
}

.article-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  box-shadow: var(--shadow-xs);
}

.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.breadcrumb a:hover {
  color: var(--brand-red);
  text-decoration: underline;
}

.article-header h1 {
  font-size: clamp(23px, 2.8vw, 31px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.03em;
  margin: 10px 0 14px;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: var(--text-muted);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 26px;
}

.article-content h2 {
  font-size: 21px;
  font-weight: 800;
  margin: 34px 0 14px;
  padding-left: 12px;
  border-left: 4px solid var(--brand-red);
  line-height: 1.38;
}

.article-content h3 {
  font-size: 17.5px;
  font-weight: 800;
  margin: 24px 0 10px;
  color: #1E293B;
}

.article-content p {
  margin: 0 0 16px;
  color: #1E293B;
  font-size: 16px;
  line-height: 1.8;
}

.article-content ul, .article-content ol {
  margin: 0 0 20px;
  padding-left: 22px;
}

.article-content li {
  margin-bottom: 9px;
  line-height: 1.75;
  color: #1E293B;
}

.callout-tip {
  background: #F8FAFC;
  border: 1px solid #CBD5E1;
  border-left: 4px solid var(--bg-dark);
  border-radius: 10px;
  padding: 18px 20px;
  margin: 22px 0;
}

.callout-tip.red {
  background: var(--brand-red-soft);
  border-color: var(--brand-red-border);
  border-left-color: var(--brand-red);
}

.callout-tip.green {
  background: var(--profit-soft);
  border-color: var(--profit-border);
  border-left-color: var(--profit-green);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 24px;
  font-size: 14.5px;
}

.article-table th, .article-table td {
  border: 1px solid var(--border-strong);
  padding: 11px 13px;
  text-align: left;
}

.article-table th {
  background: #F1F5F9;
  font-weight: 800;
}

.sidebar-sticky {
  position: sticky;
  top: 124px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Toast Notification */
.toast-msg {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-dark);
  color: #FFFFFF;
  padding: 13px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: all 0.22s ease;
}

.toast-msg.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   9. Footer
   ========================================================================== */
.site-footer {
  background: var(--bg-dark);
  color: #94A3B8;
  padding: 44px 0 36px;
  margin-top: 56px;
  font-size: 13.5px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-title {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 800;
  margin: 0 0 12px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-bottom {
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.5px;
}

/* ==========================================================================
   10. Mobile Quick Navigation Bar, Admin Button & Responsive Breakpoints
   ========================================================================== */
.mobile-quick-nav {
  display: none;
}

.nav-admin-btn {
  background: #F8FAFC;
  border: 1px solid var(--border-strong);
  color: #334155;
  font-size: 13px;
  padding: 7px 11px;
  margin-left: 4px;
  cursor: pointer;
}

.nav-admin-btn:hover {
  background: var(--bg-dark);
  color: #FFFFFF;
  border-color: var(--bg-dark);
}

@media (max-width: 1024px) {
  .hero-grid,
  .calc-workspace-grid,
  .article-layout {
    grid-template-columns: 1fr;
  }
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .kpi-dashboard-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .sidebar-sticky {
    position: static;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 14px;
  }
  .ticker-inner {
    height: 36px;
  }
  .ticker-badge {
    padding: 0 10px;
    font-size: 11.5px;
  }
  .ticker-badge span.hide-xs {
    display: none;
  }
  .ticker-item {
    padding: 3px 12px;
    font-size: 12px;
  }
  .ticker-controls {
    padding: 0 6px;
  }
  .site-header {
    top: 36px;
  }
  .header-inner {
    min-height: 54px;
    gap: 8px;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 8px;
  }
  .brand-title {
    font-size: 17px;
  }
  .brand-sub {
    font-size: 10.5px;
  }
  .mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    font-size: 13.5px;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    flex-direction: column;
    align-items: stretch;
    padding: 10px 14px 14px;
    border-bottom: 1.5px solid var(--border-strong);
    box-shadow: var(--shadow-md);
    z-index: 1005;
  }
  .main-nav.open {
    display: flex;
  }
  .main-nav .nav-link {
    padding: 11px 12px;
    font-size: 15px;
    border-bottom: 1px solid #F1F5F9;
  }
  .nav-admin-btn {
    margin-left: 0;
    margin-top: 6px;
    justify-content: center;
  }

  /* 모바일 상단 가로 스크롤 빠른 메뉴 바 */
  .mobile-quick-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 7px 14px;
    background: #F8FAFC;
    border-top: 1px solid var(--border-light);
    scrollbar-width: none;
  }
  .mobile-quick-nav::-webkit-scrollbar {
    display: none;
  }
  .mq-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--text-secondary);
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    white-space: nowrap;
    flex-shrink: 0;
    cursor: pointer;
  }
  .mq-link.active {
    background: var(--brand-red);
    color: #FFFFFF;
    border-color: var(--brand-red);
    box-shadow: 0 2px 6px rgba(220, 38, 38, 0.22);
  }

  /* 히어로 배너 및 퀵 카드 모바일 최적화 */
  .hero-banner {
    padding: 22px 0 20px !important;
  }
  .hero-eyebrow {
    font-size: 11.5px;
    padding: 4px 10px;
    margin-bottom: 10px;
  }
  .hero-title {
    font-size: 22px !important;
    line-height: 1.32;
    margin-bottom: 10px;
  }
  .hero-desc {
    font-size: 13.5px !important;
    line-height: 1.58;
    margin-bottom: 16px;
  }
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .hero-actions .btn:first-child {
    grid-column: 1 / -1;
  }
  .hero-actions .btn {
    width: 100%;
    padding: 12px 10px;
    font-size: 13.5px;
  }
  .hero-quick-cards {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .hero-mini-card {
    padding: 12px;
  }
  .hero-mini-card .mc-icon {
    font-size: 18px;
    margin-bottom: 4px;
  }
  .hero-mini-card .mc-title {
    font-size: 13px;
  }
  .hero-mini-card .mc-sub {
    font-size: 11px;
    line-height: 1.38;
  }

  /* 섹션 및 카드 여백 최적화 */
  .section-wrap {
    padding: 20px 0;
  }
  .section-header {
    margin-bottom: 14px;
    gap: 10px;
  }
  .section-title {
    font-size: 18.5px;
  }
  .section-subtitle {
    font-size: 13px;
  }
  .card {
    padding: 16px 14px !important;
    border-radius: 14px;
  }
  .article-box {
    padding: 20px 15px;
  }

  /* 프리셋 칩 가로 스와이프 처리 (세로 공간 절약) */
  .preset-strip {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
    scrollbar-width: none;
  }
  .preset-strip::-webkit-scrollbar {
    display: none;
  }
  .chip-btn {
    flex-shrink: 0;
    font-size: 12px;
    padding: 6px 11px;
  }

  /* 계산기 폼 및 결과 패널 모바일 레이아웃 */
  .calc-tabs-nav {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .mode-toggle-bar {
    grid-template-columns: 1fr 1fr;
    gap: 4px;
  }
  .mode-toggle-btn {
    font-size: 12px;
    padding: 8px 6px;
    line-height: 1.25;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 11px;
    margin-bottom: 12px;
  }
  .form-control {
    font-size: 16px; /* iOS 자동 줌인 방지 */
    padding: 10px 12px;
  }
  .result-panel {
    padding: 16px 13px;
  }
  .result-hero-box {
    padding: 16px 14px;
  }
  .result-price-main {
    font-size: 28px;
  }
  .result-price-main small {
    display: block;
    font-size: 13px;
    margin-left: 0;
    margin-top: 3px;
  }
  .price-unit-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }
  .price-unit-cell {
    padding: 8px 6px;
    text-align: center;
  }
  .price-unit-cell span {
    font-size: 10.5px;
  }
  .price-unit-cell strong {
    font-size: 13.5px;
  }
  .kpi-mini-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .kpi-mini-card {
    padding: 11px 10px;
  }
  .kpi-mini-card .k-label {
    font-size: 11px;
  }
  .kpi-mini-card .k-val {
    font-size: 15.5px;
  }
  .kpi-mini-card .k-sub {
    font-size: 10.5px;
    line-height: 1.3;
  }

  /* 재고조사 4대 KPI 및 카메라 업로드 배너 모바일 최적화 */
  .kpi-dashboard-4 {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
  }
  .kpi-stat-card {
    padding: 13px 12px;
  }
  .kpi-stat-card .stat-title {
    font-size: 11.5px;
  }
  .kpi-stat-card .stat-num {
    font-size: 18px;
    margin: 4px 0 2px;
  }
  .kpi-stat-card .stat-foot {
    font-size: 10.5px;
  }
  .ocr-upload-banner {
    padding: 18px 14px;
  }
  .ocr-upload-banner .btn {
    width: 100%;
    justify-content: center;
    padding: 12px 14px;
    font-size: 14px;
  }

  /* 테이블 가로 스크롤 및 안내 배지 */
  .table-responsive {
    -webkit-overflow-scrolling: touch;
  }
  .data-table {
    font-size: 13px;
    min-width: 680px;
  }
  .data-table th,
  .data-table td {
    padding: 9px 10px;
  }

  /* 가이드 그리드 및 푸터 */
  .guide-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .guide-card {
    padding: 16px;
  }
  .guide-card h3 {
    font-size: 16px;
  }

  /* 모달 및 토스트 메시지 */
  .modal-backdrop {
    padding: 10px;
    align-items: flex-end;
  }
  .modal-box {
    padding: 18px 14px;
    max-height: 90vh;
    border-radius: 16px 16px 12px 12px;
  }
  .modal-title {
    font-size: 16.5px;
  }
  .toast-msg {
    left: 12px;
    right: 12px;
    bottom: 14px;
    text-align: center;
    padding: 12px 14px;
    font-size: 13px;
  }
}

@media (max-width: 400px) {
  .hero-quick-cards {
    grid-template-columns: 1fr;
  }
  .price-unit-grid {
    grid-template-columns: 1fr;
  }
}