/* Copyright (c) 2026 Luke P. All rights reserved.
   processcontroltools — Proprietary Software. Unauthorised use prohibited. */

/* ── Design Tokens ── */
:root {
  --bg-base:        #09090f;
  --bg-surface:     #101018;
  --bg-elevated:    #17171f;
  --border-subtle:  rgba(255,255,255,0.06);
  --border-default: rgba(255,255,255,0.11);
  --accent:         #2563eb;
  --accent-light:   #60a5fa;
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;
  --radius-md:      12px;
  --radius-sm:      8px;
}

/* ── Base ── */
body {
  background-color: var(--bg-base);
  color: var(--text-primary);
}

/* ── Border-dashed utility (not in Bootstrap 5) ── */
.border-dashed { border-style: dashed !important; }

/* ─────────────────────────────────────────
   NAVBAR
───────────────────────────────────────── */
.pct-navbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(9,9,15,0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding-top: .5rem;
  padding-bottom: .5rem;
}
.pct-navbar .navbar-brand {
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: -0.01em;
  color: var(--text-primary) !important;
}
.pct-navbar .nav-link {
  color: var(--text-secondary) !important;
  font-size: .875rem;
  padding: .6rem .75rem !important;
  transition: color .15s;
}
.pct-navbar .nav-link:hover { color: var(--text-primary) !important; }

.btn-pct-signup {
  font-size: .83rem;
  padding: 6px 18px;
  border-radius: 7px;
  border: 1px solid var(--border-default);
  color: var(--text-secondary) !important;
  background: transparent;
  text-decoration: none;
  transition: border-color .15s, color .15s;
  font-weight: 500;
}
.btn-pct-signup:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--text-primary) !important;
}

.btn-pct-login {
  font-size: .83rem;
  padding: 6px 18px;
  border-radius: 7px;
  background: var(--accent);
  color: #fff !important;
  border: none;
  text-decoration: none;
  transition: opacity .15s;
  font-weight: 500;
}
.btn-pct-login:hover { opacity: 0.82; color: #fff; }

.btn-pct-logout {
  font-size: .83rem;
  padding: 6px 18px;
  border-radius: 7px;
  border: 1px solid var(--border-default);
  color: var(--text-secondary) !important;
  background: transparent;
  text-decoration: none;
  transition: border-color .15s, color .15s;
  font-weight: 500;
}
.btn-pct-logout:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--text-primary) !important;
}

/* ─────────────────────────────────────────
   LANDING — HERO
───────────────────────────────────────── */
.pct-hero {
  position: relative;
  padding: 140px 16px 120px;
  text-align: center;
  overflow: hidden;
  background: var(--bg-base);
}

/* Ambient glow orbs */
.pct-hero-glow-1 {
  position: absolute;
  width: 800px; height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, transparent 65%);
  top: -320px; left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}
.pct-hero-glow-2 {
  position: absolute;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(96,165,250,0.08) 0%, transparent 65%);
  top: 60px; right: -100px;
  pointer-events: none;
}

/* Subtle dot-grid overlay */
.pct-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}

.pct-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.pct-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-light);
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 1.75rem;
}

.pct-hero-title {
  font-size: clamp(2.5rem, 5.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(140deg, #f1f5f9 0%, #bfdbfe 55%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pct-hero-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

/* Custom buttons */
.pct-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  border: none;
  text-decoration: none;
  transition: opacity .2s, transform .2s;
}
.pct-btn-primary:hover { opacity: 0.84; transform: translateY(-1px); color: #fff; }

.pct-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
  text-decoration: none;
  transition: border-color .2s, color .2s, transform .2s;
}
.pct-btn-ghost:hover {
  border-color: rgba(255,255,255,0.22);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* Locked state button (free users on dashboard) */
.pct-btn-locked {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  cursor: default;
  user-select: none;
}

/* ─────────────────────────────────────────
   LANDING — FEATURES
───────────────────────────────────────── */
.pct-features {
  padding: 100px 16px;
  background: var(--bg-base);
  border-top: 1px solid var(--border-subtle);
}

.pct-section-label {
  display: block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: .5rem;
}

.pct-section-title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: .75rem;
}

.pct-section-sub {
  color: var(--text-secondary);
  font-size: .95rem;
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.7;
}

.pct-feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  height: 100%;
  transition: border-color .2s, transform .2s;
}
.pct-feature-card:hover {
  border-color: var(--border-default);
  transform: translateY(-2px);
}

.pct-feature-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent-light);
  margin-bottom: 1.25rem;
}

.pct-feature-card h5 {
  font-size: .975rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: .5rem;
}

.pct-feature-card p {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* ─────────────────────────────────────────
   LANDING — TOOLS PREVIEW
───────────────────────────────────────── */
.pct-tools-preview {
  padding: 100px 16px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.pct-tool-card {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: var(--radius-md) !important;
  transition: border-color .2s, transform .2s, box-shadow .2s !important;
}
.pct-tool-card:hover {
  border-color: var(--border-default) !important;
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5) !important;
}

.pct-tool-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent-light);
  flex-shrink: 0;
}

.pct-tool-card .card-title { color: var(--text-primary); font-size: .975rem; font-weight: 600; }
.pct-tool-card .card-text  { color: var(--text-secondary); font-size: .875rem; }

/* ─────────────────────────────────────────
   LANDING — CTA
───────────────────────────────────────── */
.pct-cta {
  padding: 100px 16px;
  background: var(--bg-base);
  border-top: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}
.pct-cta::before {
  content: '';
  position: absolute;
  width: 700px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
}
.pct-cta h2 {
  position: relative;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.pct-cta p {
  position: relative;
  color: var(--text-secondary);
}

/* ─────────────────────────────────────────
   DASHBOARD
───────────────────────────────────────── */
.pct-page-header {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}
.pct-page-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}

.pct-dash-card {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: var(--radius-md) !important;
  transition: border-color .2s, transform .2s !important;
}
.pct-dash-card:hover {
  border-color: var(--border-default) !important;
  transform: translateY(-2px);
}
.pct-dash-card .card-title { color: var(--text-primary); font-weight: 600; }
.pct-dash-card .card-text  { color: var(--text-secondary); font-size: .875rem; }

/* ─────────────────────────────────────────
   BLOG
───────────────────────────────────────── */
.pct-blog-header {
  margin-bottom: 3rem;
}
.pct-blog-header h1 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.pct-blog-header p {
  color: var(--text-secondary);
}

.pct-blog-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  transition: border-color .2s, transform .2s;
}
.pct-blog-card:hover {
  border-color: var(--border-default);
  transform: translateY(-2px);
}
.pct-blog-meta { display: flex; align-items: center; }
.pct-blog-tag {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: rgba(37,99,235,0.08);
  color: var(--accent-light);
  border: 1px solid rgba(37,99,235,0.18);
  border-radius: 4px;
  padding: 2px 8px;
}
.pct-blog-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}
.pct-blog-excerpt {
  color: var(--text-secondary);
  font-size: .9rem;
  line-height: 1.65;
}

/* ─────────────────────────────────────────
   RGA TOOL — TAB SHELL
───────────────────────────────────────── */
.rga-tab-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 1.25rem;
  color: var(--text-primary);
}

/* Nav tabs dark override */
.nav-tabs .nav-link {
  color: var(--text-secondary);
}
.nav-tabs .nav-link.active {
  background: var(--bg-surface);
  border-color: var(--border-subtle) var(--border-subtle) var(--bg-surface);
  color: var(--text-primary);
}
.nav-tabs .nav-link:not(.active):hover {
  color: var(--text-primary);
  border-color: transparent;
}

/* ─────────────────────────────────────────
   RGA TOOL — INPUT MODE TOGGLE
───────────────────────────────────────── */
.rga-input-toggle {
  display: flex;
  gap: 0;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
  margin-bottom: 1.25rem;
}
.rga-input-toggle button {
  padding: 7px 20px;
  font-size: .85rem;
  font-weight: 500;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.rga-input-toggle button.active {
  background: var(--accent);
  color: #fff;
}

/* ─────────────────────────────────────────
   RGA TOOL — DROP ZONE
───────────────────────────────────────── */
#drop-zone {
  transition: background .15s, border-color .15s;
  background: var(--bg-elevated);
  border-color: var(--border-default) !important;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
}
#drop-zone:hover {
  background: rgba(37,99,235,0.06);
  border-color: rgba(37,99,235,0.3) !important;
  color: var(--text-secondary);
  cursor: pointer;
}
#drop-zone.drag-over {
  background: rgba(37,99,235,0.1);
  border-color: var(--accent) !important;
  color: var(--text-primary);
}

/* ─────────────────────────────────────────
   RGA TOOL — PASTE PREVIEW TABLE
───────────────────────────────────────── */
#paste-grid {
  border-collapse: collapse;
  font-size: .82rem;
}
#paste-grid th {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  padding: 5px 10px;
  text-align: center;
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
}
#paste-grid td {
  border: 1px solid var(--border-default);
  padding: 4px 10px;
  text-align: center;
  white-space: nowrap;
  color: var(--text-primary);
}

/* ─────────────────────────────────────────
   MATRIX PREVIEW TABLE
───────────────────────────────────────── */
#matrix-preview-container table {
  font-size: .8rem;
  border-collapse: collapse;
}
#matrix-preview-container th,
#matrix-preview-container td {
  border: 1px solid var(--border-default);
  padding: 3px 8px;
  white-space: nowrap;
}
#matrix-preview-container th {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 600;
}
#matrix-preview-container td {
  color: var(--text-primary);
}

/* ─────────────────────────────────────────
   SUB-MATRIX RESULTS TABLE
───────────────────────────────────────── */
#submatrix-table-container table,
#verify-table-container table {
  font-size: .8rem;
  width: 100%;
  border-collapse: collapse;
}
#submatrix-table-container th,
#submatrix-table-container td,
#verify-table-container th,
#verify-table-container td {
  border: 1px solid #dee2e6;
  padding: 3px 8px;
  white-space: nowrap;
}
#submatrix-table-container th,
#verify-table-container th { background: #f8f9fa; color: #212529; font-weight: 600; }
#submatrix-table-container tbody tr:hover,
#verify-table-container tbody tr:hover { background: #f1f3f5; }

/* ─────────────────────────────────────────
   FLAG COLOURS
───────────────────────────────────────── */
.flag-ok       { background: #C6EFCE; color: #1a3d1f !important; }
.flag-warning  { background: #FFEB9C; color: #3d2f00 !important; }
.flag-critical { background: #FFC7CE; color: #5c1a1a !important; }
.flag-singular { background: #D9D9D9; color: #2d2d2d !important; }

/* ─────────────────────────────────────────
   FREEZE GRID
───────────────────────────────────────── */
#freeze-grid-container table { border-collapse: collapse; }
#freeze-grid-container td {
  border: 1px solid #adb5bd;
  padding: 4px 10px;
  text-align: center;
  cursor: pointer;
  font-size: .8rem;
  min-width: 64px;
  user-select: none;
  transition: background .1s;
}
#freeze-grid-container td:hover { filter: brightness(0.92); }
#freeze-grid-container td.frozen {
  background: #fd7e14 !important;
  color: #fff;
  font-weight: 600;
}
#freeze-grid-container th {
  font-size: .75rem;
  padding: 2px 6px;
  background: #f8f9fa;
  border: 1px solid #adb5bd;
  text-align: center;
}

/* ─────────────────────────────────────────
   SUMMARY COMPARISON TABLE (Tab 4)
───────────────────────────────────────── */
#summary-table-container table { font-size: .85rem; }
.status-converged    { color: #198754; font-weight: 600; }
.status-best-effort  { color: #fd7e14; font-weight: 600; }
.status-skipped      { color: #6c757d; }
.status-error        { color: #dc3545; font-weight: 600; }

/* ─────────────────────────────────────────
   RESULT METHOD PANELS
───────────────────────────────────────── */
.result-delta-table  td { font-size: .78rem; }
.tol-warning-badge { background: #fff3cd; border: 1px solid #ffc107;
                     border-radius: 4px; padding: 4px 8px; font-size: .82rem; }

/* ─────────────────────────────────────────
   CONVERGENCE CHART
───────────────────────────────────────── */
.conv-chart { min-height: 200px; }