/* ==========================================================================
   SubmitHub Design System — Modern Developer UI (GitHub / Linear / Raycast Tone)
   ========================================================================== */

:root {
  /* Surface & Background Palette (Clean Zinc / Slate) */
  --ui-bg: #f8fafc;
  --ui-surface: #ffffff;
  --ui-surface-subtle: #f1f5f9;
  --ui-surface-muted: #f8fafc;
  --ui-border: #e2e8f0;
  --ui-border-strong: #cbd5e1;

  /* Text Hierarchy */
  --ui-text: #0f172a;
  --ui-text-secondary: #334155;
  --ui-text-muted: #64748b;

  /* Accent Colors */
  --ui-accent: #2563eb;
  --ui-accent-hover: #1d4ed8;
  --ui-accent-soft: #eff6ff;
  --ui-accent-border: #bfdbfe;

  /* Semantic Status Colors */
  --ui-success-bg: #f0fdf4;
  --ui-success-text: #15803d;
  --ui-success-border: #bbf7d0;

  --ui-warning-bg: #fffbeb;
  --ui-warning-text: #b45309;
  --ui-warning-border: #fde68a;

  --ui-danger-bg: #fef2f2;
  --ui-danger-text: #b91c1c;
  --ui-danger-border: #fecaca;

  --ui-info-bg: #f0f9ff;
  --ui-info-text: #0369a1;
  --ui-info-border: #bae6fd;

  /* Bootstrap 5 CSS Variable Overrides */
  --bs-body-bg: var(--ui-bg);
  --bs-body-color: var(--ui-text);
  --bs-border-color: var(--ui-border);
  --bs-primary: #2563eb;
  --bs-primary-rgb: 37, 99, 235;
  --bs-secondary: #475569;
  --bs-secondary-rgb: 71, 85, 105;
  --bs-success: #16a34a;
  --bs-success-rgb: 22, 163, 74;
  --bs-danger: #dc2626;
  --bs-danger-rgb: 220, 38, 38;
  --bs-warning: #d97706;
  --bs-warning-rgb: 217, 119, 6;
  --bs-info: #0284c7;
  --bs-info-rgb: 2, 132, 199;
  --bs-light: #f8fafc;
  --bs-dark: #0f172a;

  /* Typography */
  --font-sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  /* Shadows & Radius */
  --ui-radius-sm: 6px;
  --ui-radius: 8px;
  --ui-radius-lg: 10px;
  --ui-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --ui-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
  --ui-shadow-hover: 0 4px 12px rgba(15, 23, 42, 0.07), 0 1px 3px rgba(15, 23, 42, 0.04);
}

/* ==========================================================================
   1. Base & Typography
   ========================================================================== */

body {
  background: var(--ui-bg);
  color: var(--ui-text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1180px;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  color: var(--ui-text);
  font-weight: 600;
  letter-spacing: -0.022em;
}

.h3, h1.h3 {
  font-size: 1.35rem;
}

.h4, h1.h4 {
  font-size: 1.15rem;
}

a {
  color: var(--ui-accent);
  text-decoration: none;
  transition: color 0.12s ease;
}

a:hover {
  color: var(--ui-accent-hover);
}

code, pre, .code {
  font-family: var(--font-mono);
  font-size: 12.5px;
}

code {
  color: #1e293b;
  background: #f1f5f9;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid #e2e8f0;
}

pre {
  background: #f8fafc;
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-sm);
  padding: 10px 12px;
  color: #1e293b;
  line-height: 1.55;
}

hr {
  border-color: var(--ui-border);
  opacity: 1;
}

/* ==========================================================================
   2. Top Navigation & Breadcrumbs
   ========================================================================== */

.app-navbar {
  background: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--ui-border);
  padding: 0.6rem 0;
  position: sticky;
  top: 0;
  z-index: 1020;
}

.app-navbar .navbar-brand {
  color: var(--ui-text) !important;
  font-weight: 700;
  font-size: 15.5px;
  letter-spacing: -0.025em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 1.5rem;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: #0f172a;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.app-navbar .nav-link {
  color: var(--ui-text-secondary) !important;
  font-weight: 500;
  font-size: 13.5px;
  padding: 6px 10px !important;
  border-radius: var(--ui-radius-sm);
  transition: background-color 0.12s ease, color 0.12s ease;
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus {
  color: var(--ui-text) !important;
  background: var(--ui-surface-subtle);
}

.user-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--ui-surface-subtle);
  border: 1px solid var(--ui-border);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ui-text-secondary);
}

/* Breadcrumb */
.breadcrumb {
  font-size: 13px;
  margin-bottom: 0.75rem;
  padding: 0;
  background: transparent;
}

.breadcrumb-item a {
  color: var(--ui-text-muted);
  font-weight: 500;
}

.breadcrumb-item a:hover {
  color: var(--ui-text);
}

.breadcrumb-item.active {
  color: var(--ui-text-secondary);
  font-weight: 600;
}

.breadcrumb-item + .breadcrumb-item::before {
  color: #cbd5e1;
}

/* ==========================================================================
   3. Cards, Surfaces & Course Grid
   ========================================================================== */

.card {
  background: var(--ui-surface);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  box-shadow: var(--ui-shadow-xs) !important;
}

.card.shadow-sm {
  box-shadow: var(--ui-shadow-xs) !important;
}

.card-header {
  background: #fcfcfd !important;
  color: var(--ui-text) !important;
  border-bottom: 1px solid var(--ui-border);
  padding: 11px 16px;
  font-weight: 600;
  font-size: 13.5px;
  border-top-left-radius: var(--ui-radius) !important;
  border-top-right-radius: var(--ui-radius) !important;
}

.card-header code {
  background: transparent;
  border: none;
  padding: 0;
  font-weight: 600;
  color: var(--ui-text);
}

.card-body {
  padding: 16px;
}

.card-footer {
  background: #fcfcfd;
  border-top: 1px solid var(--ui-border);
  padding: 10px 16px;
  border-bottom-left-radius: var(--ui-radius) !important;
  border-bottom-right-radius: var(--ui-radius) !important;
}

/* Course Card Hover Interaction */
.course-card {
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.course-card:hover {
  transform: translateY(-2px);
  border-color: #cbd5e1;
  box-shadow: var(--ui-shadow-hover) !important;
}

/* Auth Card */
.auth-wrapper {
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

.auth-card {
  border-radius: var(--ui-radius-lg);
  box-shadow: var(--ui-shadow-sm) !important;
}

/* Stat / Metric Card */
.stat-card .stat-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ui-text-muted);
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.stat-card .stat-value {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--ui-text);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

/* Invite Code Box */
.invite-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ui-surface);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-sm);
  padding: 4px 10px;
}

.invite-box code {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 15px !important;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ui-text);
}

/* Metadata Grid */
.meta-grid {
  background: var(--ui-surface-muted);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-sm);
  padding: 12px 16px;
}

.meta-grid dt {
  color: var(--ui-text-muted);
  font-weight: 500;
  font-size: 13px;
}

.meta-grid dd {
  color: var(--ui-text);
  font-weight: 500;
  font-size: 13.5px;
}

/* ==========================================================================
   4. Tables, Buttons, Badges, Forms & Alerts
   ========================================================================== */

.table {
  --bs-table-color: var(--ui-text);
  --bs-table-border-color: var(--ui-border);
  --bs-table-hover-bg: #f8fafc;
  font-size: 13.5px;
  margin-bottom: 0;
}

.table > :not(caption) > * > * {
  vertical-align: middle;
  padding: 10px 14px;
}

.table-sm > :not(caption) > * > * {
  padding: 7px 12px;
}

.table > thead > tr > th,
.table th {
  background: #f8fafc;
  color: var(--ui-text-muted);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--ui-border);
  white-space: nowrap;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* Buttons */
.btn {
  font-size: 13.5px;
  font-weight: 500;
  border-radius: var(--ui-radius-sm);
  padding: 6px 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.14s ease;
  box-shadow: 0 1px 1px rgba(15, 23, 42, 0.04);
}

.btn-sm {
  font-size: 12.5px;
  padding: 4px 10px;
  border-radius: 5px;
}

.btn-primary {
  background-color: #0f172a;
  border-color: #0f172a;
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: #1e293b !important;
  border-color: #1e293b !important;
  color: #ffffff !important;
}

.btn-dark {
  background-color: #1e293b;
  border-color: #1e293b;
  color: #ffffff;
}

.btn-dark:hover {
  background-color: #334155;
  border-color: #334155;
}

.btn-outline-primary {
  color: var(--ui-accent);
  border-color: #bfdbfe;
  background-color: #ffffff;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: var(--ui-accent-soft);
  border-color: #93c5fd;
  color: var(--ui-accent-hover);
}

.btn-outline-secondary,
.btn-light {
  background-color: #ffffff;
  border-color: var(--ui-border-strong);
  color: var(--ui-text-secondary);
}

.btn-outline-secondary:hover,
.btn-light:hover,
.btn-check:checked + .btn-outline-secondary {
  background-color: var(--ui-surface-subtle) !important;
  border-color: #94a3b8 !important;
  color: var(--ui-text) !important;
}

.btn-outline-danger {
  color: #dc2626;
  border-color: #fecaca;
  background-color: #ffffff;
}

.btn-outline-danger:hover {
  background-color: #fef2f2;
  border-color: #fca5a5;
  color: #b91c1c;
}

.btn-outline-success {
  color: #15803d;
  border-color: #bbf7d0;
  background-color: #ffffff;
}

.btn-outline-success:hover {
  background-color: #f0fdf4;
  border-color: #86efac;
  color: #166534;
}

.btn-danger {
  background-color: #dc2626;
  border-color: #dc2626;
  color: #ffffff;
}

.btn-danger:hover {
  background-color: #b91c1c;
  border-color: #b91c1c;
}

.btn-link {
  color: var(--ui-text-secondary);
  text-decoration: none;
  box-shadow: none;
}

.btn-link:hover {
  color: var(--ui-text);
  text-decoration: underline;
}

/* Badges (Soft Tint Pills instead of Harsh Solid Blocks) */
.badge {
  font-weight: 500;
  font-size: 11.5px;
  padding: 3.5px 8px;
  border-radius: 5px;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  vertical-align: middle;
}

.badge.bg-primary,
.badge.text-bg-primary {
  background-color: var(--ui-accent-soft) !important;
  color: var(--ui-accent-hover) !important;
  border: 1px solid var(--ui-accent-border);
}

.badge.bg-success,
.badge.text-bg-success {
  background-color: var(--ui-success-bg) !important;
  color: var(--ui-success-text) !important;
  border: 1px solid var(--ui-success-border);
}

.badge.bg-danger,
.badge.text-bg-danger {
  background-color: var(--ui-danger-bg) !important;
  color: var(--ui-danger-text) !important;
  border: 1px solid var(--ui-danger-border);
}

.badge.bg-warning,
.badge.text-bg-warning {
  background-color: var(--ui-warning-bg) !important;
  color: var(--ui-warning-text) !important;
  border: 1px solid var(--ui-warning-border);
}

.badge.bg-info,
.badge.text-bg-info {
  background-color: var(--ui-info-bg) !important;
  color: var(--ui-info-text) !important;
  border: 1px solid var(--ui-info-border);
}

.badge.bg-secondary,
.badge.text-bg-secondary {
  background-color: #f1f5f9 !important;
  color: #475569 !important;
  border: 1px solid #e2e8f0;
}

.badge.bg-dark,
.badge.text-bg-dark {
  background-color: #1e293b !important;
  color: #f8fafc !important;
  border: 1px solid #0f172a;
}

.badge.bg-light,
.badge.text-bg-light {
  background-color: #f8fafc !important;
  color: #475569 !important;
  border: 1px solid #e2e8f0;
}

/* Status Indicator Dots */
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  background-color: currentColor;
}

/* Forms */
.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ui-text-secondary);
  margin-bottom: 5px;
}

.form-control,
.form-select {
  font-size: 13.5px;
  border-color: var(--ui-border-strong);
  border-radius: var(--ui-radius-sm);
  padding: 6.5px 11px;
  color: var(--ui-text);
  background-color: var(--ui-surface);
  transition: border-color 0.14s ease, box-shadow 0.14s ease;
}

.form-control-sm,
.form-select-sm {
  font-size: 12.5px;
  padding: 4px 9px;
  border-radius: 5px;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--ui-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

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

.form-check-input:checked {
  background-color: var(--ui-accent);
  border-color: var(--ui-accent);
}

/* Alerts */
.alert {
  border-radius: var(--ui-radius);
  font-size: 13.5px;
  padding: 11px 15px;
  border: 1px solid transparent;
}

.alert-secondary {
  background-color: #f8fafc;
  border-color: var(--ui-border);
  color: var(--ui-text-secondary);
}

.alert-success {
  background-color: var(--ui-success-bg);
  border-color: var(--ui-success-border);
  color: var(--ui-success-text);
}

.alert-warning {
  background-color: var(--ui-warning-bg);
  border-color: var(--ui-warning-border);
  color: var(--ui-warning-text);
}

.alert-danger {
  background-color: var(--ui-danger-bg);
  border-color: var(--ui-danger-border);
  color: var(--ui-danger-text);
}

.alert-info {
  background-color: var(--ui-info-bg);
  border-color: var(--ui-info-border);
  color: var(--ui-info-text);
}

/* Progress Bars */
.progress {
  background-color: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  background-color: var(--ui-accent);
  font-size: 11px;
  font-weight: 600;
}

/* ==========================================================================
   5. 코드 보기 (Code Viewer) & 인라인 스레드 (Inline Review Thread)
   ========================================================================== */

table.code-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  line-height: 1.6;
  background: var(--ui-surface);
}

table.code-table td {
  padding: 1px 12px;
  vertical-align: top;
}

table.code-table td.ln {
  width: 1%;
  min-width: 52px;
  padding-right: 12px;
  text-align: right;
  color: #94a3b8;
  user-select: none;
  background: #f8fafc;
  border-right: 1px solid var(--ui-border);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11.5px;
}

table.code-table td.src {
  white-space: pre-wrap;
  word-break: break-all;
  font-family: var(--font-mono);
  color: #1e293b;
}

table.code-table tr:hover td.src {
  background: #f8fafc;
}

table.code-table tr.selectable td.ln {
  cursor: pointer;
  transition: background-color 0.12s ease, color 0.12s ease;
}

table.code-table tr.selectable td.ln:hover {
  background: var(--ui-accent-soft);
  color: var(--ui-accent);
  font-weight: 600;
}

table.code-table tr.picked td.ln {
  background: #fef3c7 !important;
  color: #92400e !important;
  font-weight: 600;
  box-shadow: inset 3px 0 0 #f59e0b;
}

table.code-table tr.picked td.src {
  background: #fffbeb !important;
}

/* Inline Code Comment Thread */
tr.thread-row > td {
  background: #f8fafc !important;
  border-top: 1px solid var(--ui-border);
  border-bottom: 1px solid var(--ui-border);
  padding: 10px 14px !important;
  font-family: var(--font-sans);
}

.comment-thread-card {
  border: 1px solid var(--ui-border-strong);
  border-radius: var(--ui-radius);
  background: var(--ui-surface);
  padding: 12px 14px;
  margin-left: 44px;
  margin-right: 8px;
  box-shadow: var(--ui-shadow-xs);
}

/* ==========================================================================
   6. Diff 비교 (Diff Viewer)
   ========================================================================== */

table.diff-table {
  table-layout: fixed;
  width: 100%;
  border-collapse: collapse;
}

table.diff-table td.diff-add {
  background: #f0fdf4;
  color: #14532d;
}

table.diff-table td.diff-del {
  background: #fef2f2;
  color: #7f1d1d;
}

table.diff-table td.diff-add-ln {
  background: #dcfce7 !important;
  color: #15803d !important;
  border-right-color: #bbf7d0;
  box-shadow: inset 3px 0 0 #22c55e;
}

table.diff-table td.diff-del-ln {
  background: #fee2e2 !important;
  color: #b91c1c !important;
  border-right-color: #fecaca;
  box-shadow: inset 3px 0 0 #ef4444;
}

table.diff-table td.diff-empty {
  background: repeating-linear-gradient(
    -45deg,
    #f8fafc,
    #f8fafc 4px,
    #f1f5f9 4px,
    #f1f5f9 8px
  );
}

table.diff-table tr.diff-skip td {
  background: #f1f5f9;
  color: var(--ui-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 12px;
  border-top: 1px solid var(--ui-border);
  border-bottom: 1px solid var(--ui-border);
}

/* ==========================================================================
   7. 표절 검사 쌍 비교 (Similarity Pair Viewer)
   ========================================================================== */

table.pair-table tr.matched td.ln {
  background: #fef3c7 !important;
  color: #92400e !important;
  font-weight: 600;
  box-shadow: inset 3px 0 0 #f59e0b;
}

table.pair-table tr.matched td.src {
  background: #fffbeb !important;
}

.matched-sample {
  background: #fef3c7;
  color: #92400e;
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid #fde68a;
  font-size: 12px;
  font-weight: 600;
}

.file-subbar {
  background: #f8fafc;
  border-bottom: 1px solid var(--ui-border);
  padding: 6px 12px;
  font-size: 12.5px;
}

.file-subbar code {
  background: transparent;
  border: none;
  padding: 0;
  font-weight: 600;
  color: var(--ui-text-secondary);
}

/* ==========================================================================
   8. 파일 트리 (File Tree) & AI 판정 박스
   ========================================================================== */

.file-tree {
  font-size: 13px;
  line-height: 1.45;
}

.file-tree a {
  text-decoration: none;
  display: block;
  padding: 5px 8px;
  margin: 1px 0;
  border-radius: 6px;
  color: var(--ui-text-secondary);
  transition: background-color 0.12s ease, color 0.12s ease;
}

.file-tree a:hover {
  background: #f1f5f9;
  color: var(--ui-text);
}

.file-tree a.active {
  background: var(--ui-accent-soft);
  color: var(--ui-accent);
  font-weight: 600;
  box-shadow: inset 2px 0 0 var(--ui-accent);
}

.file-tree .dir {
  color: var(--ui-text-muted);
  font-weight: 600;
  font-size: 12.5px;
  padding: 5px 8px 3px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.tree-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: #64748b;
  vertical-align: -2px;
}

.file-tree a.active .tree-icon {
  color: var(--ui-accent);
}

.ai-verdict-box {
  background: #f8fafc;
  border: 1px solid var(--ui-border);
  border-left: 3px solid #64748b;
  border-radius: var(--ui-radius-sm);
  padding: 10px 12px;
}

/* ==========================================================================
   Landing Page (HOME) Styles
   ========================================================================== */
.landing-hero {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-lg);
  padding: 3.75rem 2rem 3rem;
  box-shadow: var(--ui-shadow-sm);
  margin-bottom: 2.5rem;
  position: relative;
}

.landing-badge {
  background: var(--ui-accent-soft);
  color: var(--ui-accent);
  border: 1px solid var(--ui-accent-border);
  font-weight: 600;
  font-size: 0.82rem;
}

.landing-title {
  letter-spacing: -0.03em;
  color: var(--ui-text);
  font-weight: 800;
  line-height: 1.25;
}

.landing-desc {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--ui-text-muted);
}

.landing-stat-card {
  background: var(--ui-surface);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  padding: 1.25rem 1rem;
  text-align: center;
  box-shadow: var(--ui-shadow-xs);
}

.landing-stat-val {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ui-accent);
  font-family: var(--font-mono);
}

.landing-stat-label {
  font-size: 0.82rem;
  color: var(--ui-text-muted);
  margin-top: 0.25rem;
}

.landing-feature-card {
  background: var(--ui-surface);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  padding: 1.5rem;
  height: 100%;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  box-shadow: var(--ui-shadow-xs);
}

.landing-feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--ui-shadow-sm);
  border-color: var(--ui-accent-border);
}

.landing-feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ui-accent-soft);
  color: var(--ui-accent);
  margin-bottom: 1rem;
}

.landing-step-item {
  background: var(--ui-surface);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  padding: 1.35rem;
  height: 100%;
  box-shadow: var(--ui-shadow-xs);
}

.landing-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ui-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.82rem;
  margin-bottom: 0.85rem;
}

.landing-cta-card {
  background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
  border: 1px solid var(--ui-accent-border);
  border-radius: var(--ui-radius-lg);
  box-shadow: var(--ui-shadow-sm);
}