/* =============================================
   Alive Pack — Customer Portal
   본사이트(alivepack.com) 디자인 시스템 동일 톤
   ============================================= */

:root {
  --primary-color: #0a5fe6;
  --primary-dark: #0847b3;
  --primary-light: #3d7ef0;
  --accent-color: #FF6B35;
  --success-color: #00BFA5;
  --warning-color: #FFC107;
  --danger-color: #d63031;

  --text-dark: #1a1a1a;
  --text-light: #4d5c66;
  --text-muted: #98a2b3;
  --bg-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-soft: #f4f7fb;
  --bg-dark: #0a1628;
  --border-color: #e5e9ef;

  --gradient-primary: linear-gradient(135deg, #0a5fe6 0%, #3d7ef0 100%);
  --gradient-deep: linear-gradient(135deg, #0a1628 0%, #0a5fe6 60%, #3d7ef0 100%);
  --gradient-card: linear-gradient(135deg, #0a5fe6 0%, #0847b3 100%);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 36px rgba(10, 95, 230, 0.12);
  --shadow-xl: 0 24px 60px rgba(10, 23, 40, 0.18);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --font-primary: 'Inter', 'Noto Sans KR', sans-serif;
  --transition: 0.25s cubic-bezier(.4, 0, .2, 1);
  --container-max: 1640px;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: 15px;
  color: var(--text-dark);
  background: var(--bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

.hide { display: none !important; }

/* =============================================
   Header / Navigation
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 14px 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand img { width: 38px; height: 38px; object-fit: contain; }
.brand span { white-space: nowrap; }

.top-nav {
  display: flex;
  flex: 1;
  gap: 4px;
  align-items: center;
}
.top-nav button {
  border: 0;
  background: transparent;
  color: var(--text-light);
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.92rem;
  position: relative;
  transition: var(--transition);
}
.top-nav button:hover {
  color: var(--primary-color);
  background: rgba(10, 95, 230, 0.06);
}
.top-nav button.active {
  color: var(--primary-color);
  background: rgba(10, 95, 230, 0.10);
}

.header-actions { display: flex; gap: 10px; align-items: center; }

/* =============================================
   Buttons
   ============================================= */
.primary-btn, .secondary-btn, .ghost-btn, .text-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 12px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.primary-btn {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(10, 95, 230, 0.28);
}
.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(10, 95, 230, 0.35);
}
.primary-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.secondary-btn {
  background: rgba(10, 95, 230, 0.08);
  color: var(--primary-color);
}
.secondary-btn:hover { background: rgba(10, 95, 230, 0.14); }
.ghost-btn {
  background: #fff;
  color: var(--primary-color);
  border: 1.5px solid rgba(10, 95, 230, 0.30);
}
.ghost-btn:hover {
  background: rgba(10, 95, 230, 0.06);
  border-color: var(--primary-color);
}
.text-btn {
  background: transparent;
  color: var(--primary-color);
  padding: 8px 4px;
  border-radius: 6px;
}
.text-btn:hover { background: rgba(10, 95, 230, 0.06); }

.full { width: 100%; }
.button-row { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }

/* =============================================
   View container
   ============================================= */
main { min-height: calc(100vh - 70px); }
.view {
  display: none;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 24px 24px 56px;
}
.view.active { display: block; }

.eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  color: var(--primary-color);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* =============================================
   User chip in header
   ============================================= */
.user-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  background: rgba(10, 95, 230, 0.08);
  color: var(--primary-color);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
}

/* =============================================
   Auth view (login/signup landing)
   ============================================= */
.auth-view.active {
  display: grid;
  min-height: calc(100vh - 70px);
  padding: 0;
  max-width: none;
  background:
    radial-gradient(circle at 0% 100%, rgba(10,95,230,0.05), transparent 50%),
    radial-gradient(circle at 100% 0%, rgba(255,107,53,0.05), transparent 50%),
    var(--bg-light);
  place-items: center;
}
.auth-shell {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 56px 32px;
  display: grid;
  grid-template-columns: 1.05fr 480px;
  gap: 56px;
  align-items: center;
}
.auth-intro h1 {
  font-size: clamp(2.4rem, 4.6vw, 3.6rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-dark);
  margin: 8px 0 18px;
}
.auth-lead {
  max-width: 540px;
  margin: 0 0 28px;
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.75;
}
.auth-benefits {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 0 0 28px;
}
.auth-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.auth-benefits li:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(10, 95, 230, 0.18);
}
.auth-benefits li > span {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(10, 95, 230, 0.3);
}
.auth-benefits li > div { display: grid; gap: 4px; }
.auth-benefits li strong {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
}
.auth-benefits li small {
  font-size: 0.84rem;
  color: var(--text-light);
}
.auth-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}
.auth-back-link:hover {
  color: var(--primary-color);
  transform: translateX(-2px);
}

.auth-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px 36px 32px;
  box-shadow: var(--shadow-xl);
}
.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--bg-soft);
  border-radius: var(--radius-pill);
  padding: 4px;
  margin-bottom: 26px;
}
.auth-tab {
  border: 0;
  background: transparent;
  padding: 11px 16px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-light);
  transition: var(--transition);
}
.auth-tab.active {
  background: #fff;
  color: var(--primary-color);
  box-shadow: 0 2px 8px rgba(10, 95, 230, 0.18);
}
.auth-pane { display: none; }
.auth-pane.active {
  display: grid;
  gap: 14px;
  animation: fadeIn 0.25s ease;
}
.auth-pane label,
.form-row label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
}
.auth-pane input,
.form-row input,
.auth-pane select,
.form-row select {
  width: 100%;
  margin: 0;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items: end;
}
.auth-pane .primary-btn { margin-top: 8px; padding: 14px 22px; font-size: 1rem; }
.auth-pane .text-btn { display: block; width: 100%; text-align: center; padding: 10px; }
.auth-error {
  margin-top: 16px;
  padding: 12px 14px;
  background: rgba(214, 48, 49, 0.08);
  color: var(--danger-color);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  border-left: 3px solid var(--danger-color);
}
.auth-note {
  margin: 14px 0 0;
  padding: 10px 12px;
  background: var(--bg-soft);
  color: var(--text-light);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  line-height: 1.55;
}

/* =============================================
   Dashboard
   ============================================= */
.dashboard-hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  padding: 32px;
  background: linear-gradient(135deg, #0a5fe6 0%, #0847b3 100%);
  border-radius: var(--radius-xl);
  color: #fff;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.dashboard-hero::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 220px;
  height: 220px;
  background: url('../logo.png') center / contain no-repeat;
  opacity: 0.08;
  pointer-events: none;
}
.dashboard-hero-text { position: relative; z-index: 1; }
.dashboard-hero .eyebrow {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 8px;
}
.dashboard-hero h2 {
  margin: 0 0 6px;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.dashboard-hero h2 span { color: #fff; }
.welcome-sub {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
}
.dashboard-hero .primary-btn {
  background: #fff;
  color: var(--primary-color);
  position: relative;
  z-index: 1;
}
.dashboard-hero .primary-btn:hover {
  background: #f4f7fb;
}
.primary-btn.lg { padding: 16px 28px; font-size: 1.02rem; }

.verify-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding: 18px 22px;
  background: linear-gradient(135deg, #fff8e6 0%, #fff3d0 100%);
  border: 1px solid #f5d57e;
  border-left: 4px solid #d99e00;
  border-radius: var(--radius-lg);
  margin-bottom: 28px;
}
.verify-banner-text { display: grid; gap: 4px; }
.verify-banner strong {
  font-size: 0.98rem;
  color: #8a5b00;
}
.verify-banner span {
  font-size: 0.86rem;
  color: #6e4a00;
}

.metric-card.link { cursor: pointer; }
.metric-card.link span i { margin-right: 6px; opacity: 0.6; }
.metric-card.link small {
  display: block;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
}

/* =============================================
   Section headers (inside views)
   ============================================= */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.section-head h2 {
  margin: 0;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-dark);
}
.section-head .eyebrow { margin-bottom: 6px; }

/* =============================================
   Cards (auth, dashboard, sim, list, modal)
   ============================================= */
.auth-panel,
.account-box,
.empty-onboarding,
.metric-card,
.sim-form,
.result-pane,
.data-card,
.modal-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

/* =============================================
   Forms
   ============================================= */
label {
  display: block;
  color: var(--text-light);
  font-weight: 600;
  font-size: 0.85rem;
  margin: 16px 0 8px;
}
input, select, textarea {
  width: 100%;
  border: 1.5px solid var(--border-color);
  background: #fff;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  outline: none;
  transition: var(--transition);
  font-size: 0.95rem;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(10, 95, 230, 0.12);
}
textarea { resize: vertical; min-height: 80px; }

/* =============================================
   Auth view
   ============================================= */
.auth-shell {
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.auth-panel { padding: 40px 36px; }
.auth-panel.muted { background: var(--bg-soft); }
.auth-panel h2 {
  margin: 0 0 24px;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

/* =============================================
   Dashboard
   ============================================= */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(200px, 1fr));
  gap: 20px;
}
.metric-card {
  padding: 28px 26px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.metric-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.metric-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient-primary);
}
.metric-card span {
  display: block;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.metric-card strong {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.02em;
}

.empty-onboarding {
  text-align: center;
  padding: 56px 32px;
  margin-bottom: 28px;
  background: linear-gradient(135deg, #fff 0%, var(--bg-soft) 100%);
}
.empty-onboarding h3 {
  margin: 0 0 10px;
  font-size: 1.6rem;
  font-weight: 800;
}
.empty-onboarding p {
  color: var(--text-light);
  margin: 0 0 24px;
  font-size: 1rem;
}

/* =============================================
   Simulation
   ============================================= */
.simulation-layout {
  display: grid;
  grid-template-columns: minmax(480px, 560px) 1fr;
  gap: 20px;
  align-items: start;
}
.sim-form { padding: 24px 24px; }
.result-pane { padding: 24px 28px; min-height: 520px; }
.sim-step {
  display: block;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-color);
}
.sim-step + .sim-step {
  margin-top: 22px;
}
.sim-step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.sim-step.active { display: block; animation: fadeIn .25s ease; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.sim-step h3 {
  margin: 0 0 22px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.shape-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 12px 0 16px;
}
.shape-card {
  border: 2px solid var(--border-color);
  background: #fff;
  border-radius: var(--radius-md);
  padding: 18px 16px;
  text-align: left;
  transition: var(--transition);
}
.shape-card:hover {
  border-color: var(--primary-light);
  background: rgba(10, 95, 230, 0.03);
}
.shape-card.active {
  border-color: var(--primary-color);
  background: rgba(10, 95, 230, 0.06);
  box-shadow: 0 8px 20px rgba(10, 95, 230, 0.12);
}
.shape-card strong {
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
}
.shape-card span {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.dim-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.dim-grid label {
  margin-top: 0;
  display: grid;
  gap: 8px;
}

.sim-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: rgba(10, 95, 230, 0.10);
  color: var(--primary-color);
  font-weight: 700;
  font-size: 0.88rem;
  white-space: nowrap;
}

.empty-result {
  min-height: 380px;
  display: grid;
  align-content: center;
  text-align: center;
  color: var(--text-muted);
  padding: 32px;
}
.empty-result h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  color: var(--text-light);
  font-weight: 700;
}

.top-result h3 {
  margin: 0 0 6px;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.result-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 18px 0;
}
.result-summary div {
  background: var(--bg-soft);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 12px;
}
.result-summary span {
  display: block;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.result-summary strong {
  display: block;
  color: var(--text-dark);
  font-size: 1.05rem;
  font-weight: 700;
}

.spec-summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 14px 0 6px;
  padding: 14px;
  border: 1.5px solid var(--text-dark);
  border-radius: var(--radius-md);
  background: #fff;
}
.spec-summary > div { padding: 4px 6px; }
.spec-summary span {
  display: block;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.spec-summary strong {
  display: block;
  color: var(--text-dark);
  font-size: 0.98rem;
  font-weight: 700;
}

#customerViewer3d {
  min-height: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #eaf0fa 0%, #f4f7fb 100%);
  border: 1px solid var(--border-color);
}
#largeViewer3d {
  height: calc(95vh - 120px);
  min-height: 600px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #eaf0fa 0%, #f4f7fb 100%);
  border: 1px solid var(--border-color);
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 16px;
}
.compare-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  background: var(--bg-soft);
}
.compare-card strong { display: block; margin-bottom: 6px; }

.packing-mode-toggle {
  display: inline-flex;
  background: var(--bg-soft);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  padding: 4px;
  margin-bottom: 14px;
  gap: 4px;
}
.packing-mode-toggle .mode-btn {
  border: 0;
  background: transparent;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-light);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.packing-mode-toggle .mode-btn:hover { color: var(--text-dark); }
.packing-mode-toggle .mode-btn.active {
  background: var(--text-dark);
  color: #fff;
}
.packing-mode-toggle .mode-btn small {
  font-weight: 500;
  opacity: 0.75;
  margin-left: 4px;
}

.rank-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}
.rank-tab {
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
  padding: 12px 14px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background: #fff;
  cursor: pointer;
  text-align: left;
  transition: border-color .15s, background .15s, transform .1s;
  font: inherit;
}
.rank-tab:hover { border-color: var(--primary-color); transform: translateY(-1px); }
.rank-tab.active {
  border-color: var(--text-dark);
  background: var(--text-dark);
  color: #fff;
}
.rank-tab .rank-no {
  font-size: 0.7rem; font-weight: 800; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--primary-color);
}
.rank-tab.active .rank-no { color: #fdb44b; }
.rank-tab strong { font-size: 1rem; font-weight: 800; }
.rank-tab .rank-meta { font-size: 0.78rem; opacity: 0.78; }

.active-reason {
  margin-top: 12px; padding: 10px 14px;
  background: var(--bg-soft);
  border-left: 3px solid var(--primary-color);
  border-radius: 4px;
  font-size: 0.92rem; color: var(--text-dark);
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* =============================================
   Lists
   ============================================= */
.data-list {
  display: grid;
  gap: 14px;
}
.data-card {
  padding: 22px 26px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  transition: var(--transition);
}
.data-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.data-card h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
  font-weight: 700;
}
.data-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--text-light);
  font-size: 0.85rem;
}
.data-meta > * {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.data-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.status-pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(10, 95, 230, 0.10);
  color: var(--primary-color);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.status-pill.success { background: rgba(0, 191, 165, 0.12); color: var(--success-color); }
.status-pill.warning { background: rgba(255, 193, 7, 0.18); color: #b58400; }
.status-pill.danger { background: rgba(214, 48, 49, 0.10); color: var(--danger-color); }

/* =============================================
   Account
   ============================================= */
.account-box {
  max-width: 760px;
  margin: 0 auto;
  padding: 36px 32px;
}
.account-box dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px 16px;
  margin: 0 0 24px;
}
.account-box dt {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.account-box dd { margin: 0; font-weight: 500; }

/* =============================================
   Modal
   ============================================= */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: fadeIn 0.2s ease;
}
.modal-card {
  width: min(980px, 100%);
  max-height: 92vh;
  overflow: auto;
  padding: 32px 30px;
  position: relative;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  animation: modalIn 0.25s cubic-bezier(.4, 0, .2, 1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-card.small { width: min(460px, 100%); }
.modal-card h3 {
  margin: 0 0 20px;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.viewer-modal { width: min(1700px, 96vw); padding: 24px 24px 28px; }
.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  border: 0;
  background: rgba(0, 0, 0, 0.04);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 22px;
  line-height: 1;
  color: var(--text-light);
  display: grid;
  place-items: center;
  transition: var(--transition);
}
.modal-close:hover {
  background: rgba(0, 0, 0, 0.10);
  color: var(--text-dark);
}

.order-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.order-summary {
  background: var(--bg-soft);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
}
.order-form { display: grid; gap: 4px; }

/* =============================================
   Toast
   ============================================= */
.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 200;
  background: var(--text-dark);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-xl);
  font-weight: 500;
  animation: toastIn 0.3s cubic-bezier(.4, 0, .2, 1);
}
@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 1024px) {
  .hero-view.active { grid-template-columns: 1fr; gap: 40px; padding: 60px 32px; }
  .simulation-layout { grid-template-columns: 1fr; }
  .auth-shell { grid-template-columns: 1fr; }
  .order-layout { grid-template-columns: 1fr; }
  .dashboard-grid { grid-template-columns: 1fr 1fr; }
  .result-summary { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .site-header {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 18px;
  }
  .brand { min-width: 0; }
  .top-nav { order: 3; width: 100%; overflow-x: auto; padding-bottom: 4px; }
  .top-nav button { flex-shrink: 0; }
  .view { padding: 20px 14px 40px; }
  .hero-view.active { padding: 32px 18px; }
  .hero-copy h1 { font-size: 2rem; }
  .hero-lead { font-size: 1rem; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .result-summary { grid-template-columns: 1fr 1fr; }
  .spec-summary { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .dim-grid { grid-template-columns: 1fr 1fr; }
  .data-card { grid-template-columns: 1fr; }
  .data-actions { justify-content: flex-start; }
  .modal-card { padding: 24px 20px; }
  .auth-panel { padding: 28px 22px; }
  .section-head h2 { font-size: 1.6rem; }
}

@media (max-width: 420px) {
  .hero-copy h1 { font-size: 1.7rem; }
  .dim-grid { grid-template-columns: 1fr; }
}