/* ========================================================================
   dixxu – Professional Web Tools
   Main Stylesheet v1.0
   ======================================================================== */

/* ── Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --bg-base:       #0A0F1E;
  --bg-surface:    #111827;
  --bg-card:       #1A2235;
  --bg-elevated:   #1F2D42;
  --border:        #253044;
  --border-light:  #2D3A50;

  --accent:        #3B82F6;
  --accent-hover:  #2563EB;
  --accent-glow:   rgba(59,130,246,.15);
  --accent-green:  #10B981;
  --accent-amber:  #F59E0B;
  --accent-red:    #EF4444;

  --text:          #E2E8F0;
  --text-muted:    #8899AA;
  --text-faint:    #4A5568;
  --text-on-dark:  #CBD5E1;

  --radius:        10px;
  --radius-sm:     6px;
  --radius-lg:     16px;
  --shadow:        0 4px 24px rgba(0,0,0,.4);
  --shadow-sm:     0 2px 8px rgba(0,0,0,.3);
  --transition:    0.18s ease;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg-base);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--accent-hover); }

code, pre, .mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: .875em;
}

/* ── Override Bootstrap's dark-on-dark utility colors ── */
.text-muted { color: var(--text-muted) !important; }
h1, h2, h3, h4, h5, h6 { color: var(--text); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ========================================================================
   NAVBAR
   ======================================================================== */
.dx-navbar {
  background: rgba(10,15,30,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  height: 62px;
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.dx-logo {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text) !important;
  letter-spacing: -1px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .35rem;
}
.dx-logo span {
  color: var(--accent);
}
.dx-logo-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  margin-bottom: 10px;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(.8); }
}

.dx-nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}
.dx-nav-links a {
  color: var(--text-muted);
  font-size: .875rem;
  font-weight: 500;
  padding: .4rem .8rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.dx-nav-links a:hover,
.dx-nav-links a.active {
  color: var(--text);
  background: var(--bg-elevated);
}

.dx-nav-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
}

/* ── Hamburger ── */
.dx-hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  padding: .25rem;
}

/* ── Mobile nav ── */
.dx-mobile-nav {
  display: none;
  position: fixed;
  inset: 62px 0 0 0;
  background: var(--bg-surface);
  z-index: 999;
  padding: 1.5rem;
  overflow-y: auto;
}
.dx-mobile-nav.open { display: block; }
.dx-mobile-nav a {
  display: block;
  color: var(--text-muted);
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: .25rem;
}
.dx-mobile-nav a:hover { background: var(--bg-card); color: var(--text); }

/* ========================================================================
   HERO
   ======================================================================== */
.dx-hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.dx-hero::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(59,130,246,.12) 0%, transparent 70%);
  pointer-events: none;
}
.dx-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.03em;
  color: var(--text);
  margin-bottom: .75rem;
}
.dx-hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.dx-hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto 2rem;
}
.dx-hero-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}
.dx-hero-stat strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}
.dx-hero-stat small {
  color: var(--text-muted);
  font-size: .8rem;
}

/* ========================================================================
   TOOL GRID & CARDS
   ======================================================================== */
.dx-section {
  padding: 48px 0;
}
.dx-section-title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-faint);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.dx-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.dx-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1rem;
}

.dx-tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}
.dx-tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-glow);
  opacity: 0;
  transition: opacity var(--transition);
}
.dx-tool-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(59,130,246,.15);
  color: inherit;
}
.dx-tool-card:hover::before { opacity: 1; }

.dx-tool-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform var(--transition);
}
.dx-tool-card:hover .dx-tool-icon {
  transform: scale(1.1);
}
.dx-tool-name {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  position: relative;
}
.dx-tool-desc {
  font-size: .8rem;
  color: var(--text-muted);
  line-height: 1.5;
  position: relative;
}
.dx-tool-badge {
  font-size: .7rem;
  padding: .15rem .5rem;
  border-radius: 100px;
  font-weight: 600;
  width: fit-content;
}

/* ========================================================================
   TOOL PAGE LAYOUT
   ======================================================================== */
.dx-tool-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}
.dx-tool-header {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.dx-tool-header .dx-tool-icon {
  width: 56px;
  height: 56px;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.dx-tool-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 0 .25rem;
}
.dx-tool-header p {
  color: var(--text-muted);
  margin: 0;
  font-size: .9rem;
}

.dx-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.25rem;
}
.dx-card-title {
  font-size: .875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
}

/* ── Forms ── */
.dx-input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: .9rem;
  padding: .65rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.dx-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.dx-input::placeholder { color: var(--text-faint); }

.dx-textarea { min-height: 140px; resize: vertical; }

.dx-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: .4rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ── Buttons ── */
.dx-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  outline: none;
  text-decoration: none;
  white-space: nowrap;
}
.dx-btn-primary {
  background: var(--accent);
  color: #fff;
}
.dx-btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  box-shadow: 0 4px 16px rgba(59,130,246,.4);
  transform: translateY(-1px);
}
.dx-btn-ghost {
  background: var(--bg-elevated);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.dx-btn-ghost:hover {
  background: var(--bg-elevated);
  color: var(--text);
  border-color: var(--border-light);
}
.dx-btn-danger {
  background: var(--accent-red);
  color: #fff;
}
.dx-btn-sm {
  padding: .35rem .9rem;
  font-size: .8rem;
}
.dx-btn-lg {
  padding: .8rem 2rem;
  font-size: 1rem;
}

/* ── Result box ── */
.dx-result {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .85rem;
  color: var(--text-on-dark);
  white-space: pre-wrap;
  word-break: break-all;
  overflow-x: auto;
  max-height: 440px;
  overflow-y: auto;
}

.dx-result-field {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: .7rem 0;
  border-bottom: 1px solid var(--border);
}
.dx-result-field:last-child { border-bottom: none; }
.dx-result-field .key {
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 160px;
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.dx-result-field .val {
  font-family: 'JetBrains Mono', monospace;
  font-size: .875rem;
  color: var(--text);
  word-break: break-all;
}

/* ── Alerts ── */
.dx-alert {
  padding: .9rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  margin-bottom: 1rem;
}
.dx-alert-success { background: rgba(16,185,129,.1);  border: 1px solid rgba(16,185,129,.3);  color: #34D399; }
.dx-alert-error   { background: rgba(239,68,68,.1);   border: 1px solid rgba(239,68,68,.3);   color: #FCA5A5; }
.dx-alert-warning { background: rgba(245,158,11,.1);  border: 1px solid rgba(245,158,11,.3);  color: #FCD34D; }
.dx-alert-info    { background: rgba(59,130,246,.1);  border: 1px solid rgba(59,130,246,.3);  color: #93C5FD; }

/* ── Tags / Badges ── */
.dx-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .72rem;
  font-weight: 600;
  padding: .2rem .6rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.dx-badge-blue   { background: rgba(59,130,246,.15);  color: #60A5FA; }
.dx-badge-green  { background: rgba(16,185,129,.15);  color: #34D399; }
.dx-badge-amber  { background: rgba(245,158,11,.15);  color: #FCD34D; }
.dx-badge-red    { background: rgba(239,68,68,.15);   color: #FCA5A5; }
.dx-badge-gray   { background: rgba(148,163,184,.1);  color: #94A3B8; }

/* ── Table ── */
.dx-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}
.dx-table th {
  text-align: left;
  padding: .65rem 1rem;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.dx-table td {
  padding: .8rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.dx-table tr:last-child td { border-bottom: none; }
.dx-table tr:hover td { background: var(--bg-elevated); }

/* ── Spinner ── */
.dx-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Copy button ── */
.dx-copy-btn {
  position: absolute;
  top: .75rem;
  right: .75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: .75rem;
  padding: .25rem .7rem;
  cursor: pointer;
  transition: all var(--transition);
}
.dx-copy-btn:hover { color: var(--text); border-color: var(--accent); }

/* ── Range slider ── */
.dx-range {
  width: 100%;
  accent-color: var(--accent);
}

/* ── Toggle ── */
.dx-toggle {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 24px;
}
.dx-toggle input { opacity: 0; width: 0; height: 0; }
.dx-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--transition);
}
.dx-toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  left: 3px; top: 3px;
  transition: transform var(--transition);
}
.dx-toggle input:checked + .dx-toggle-slider { background: var(--accent); }
.dx-toggle input:checked + .dx-toggle-slider::before { transform: translateX(18px); }

/* ── Tooltip ── */
[data-tooltip] {
  position: relative;
  cursor: help;
}
[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: .75rem;
  padding: .35rem .7rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  z-index: 100;
}

/* ========================================================================
   FOOTER
   ======================================================================== */
.dx-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}
.dx-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}
.dx-footer-brand { color: var(--text-muted); font-size: .875rem; line-height: 1.7; }
.dx-footer-brand .dx-logo { font-size: 1.3rem; margin-bottom: .75rem; }
.dx-footer-col h6 {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-faint);
  margin-bottom: 1rem;
}
.dx-footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: .875rem;
  margin-bottom: .5rem;
  transition: color var(--transition);
}
.dx-footer-col a:hover { color: var(--text); }
.dx-footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .8rem;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: .5rem;
}

/* ========================================================================
   BREADCRUMB
   ======================================================================== */
.dx-breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: var(--text-muted);
  padding: .75rem 0;
  margin-bottom: 1.5rem;
}
.dx-breadcrumb a { color: var(--text-muted); }
.dx-breadcrumb a:hover { color: var(--text); }
.dx-breadcrumb span { color: var(--text-faint); }

/* ========================================================================
   PROGRESS / SCORE BARS
   ======================================================================== */
.dx-progress {
  height: 8px;
  background: var(--bg-elevated);
  border-radius: 4px;
  overflow: hidden;
  margin: .5rem 0;
}
.dx-progress-bar {
  height: 100%;
  border-radius: 4px;
  transition: width .4s ease;
}
.dx-progress-bar.good    { background: var(--accent-green); }
.dx-progress-bar.medium  { background: var(--accent-amber); }
.dx-progress-bar.bad     { background: var(--accent-red); }
.dx-progress-bar.accent  { background: var(--accent); }

/* ========================================================================
   STAT CARDS
   ======================================================================== */
.dx-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  position: relative;
  overflow: hidden;
}
.dx-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  border-radius: var(--radius) var(--radius) 0 0;
}
.dx-stat-label {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: .5rem;
}
.dx-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
}
.dx-stat-sub { font-size: .8rem; color: var(--text-muted); margin-top: .25rem; }

/* ── Misc utility ── */
.text-accent  { color: var(--accent) !important; }
.text-green   { color: var(--accent-green) !important; }
.text-amber   { color: var(--accent-amber) !important; }
.text-red     { color: var(--accent-red) !important; }
.text-muted   { color: var(--text-muted) !important; }
.text-faint   { color: var(--text-faint) !important; }
.bg-card      { background: var(--bg-card); }
.border-accent { border-color: var(--accent) !important; }

.divider {
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}

/* ── Pager ── */
.dx-pagination { display: flex; gap: .5rem; justify-content: center; margin-top: 2rem; }
.dx-pagination a, .dx-pagination span {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: .875rem;
  transition: all var(--transition);
}
.dx-pagination a:hover { border-color: var(--accent); color: var(--accent); }
.dx-pagination .active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ========================================================================
   RESPONSIVE
   ======================================================================== */
@media (max-width: 768px) {
  .dx-nav-links { display: none; }
  .dx-hamburger { display: flex; }
  .dx-footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .dx-tools-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
  .dx-hero { padding: 48px 0 36px; }
  .dx-hero-stats { gap: 1.5rem; }
  .dx-tool-page { padding: 1.5rem 1rem; }
}
@media (max-width: 480px) {
  .dx-tools-grid { grid-template-columns: 1fr 1fr; }
}