/* ANC Tools — adaptive workbench, aligned with anc.com.np */

:root {
  --bg-page: #fbfbfd;
  --bg-surface: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-elevated: #ffffff;
  --bg-nav: rgba(251, 251, 253, 0.8);
  --bg-panel: #f3f4f6;

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-active: rgba(6, 182, 212, 0.4);
  --border-hover: rgba(59, 130, 246, 0.35);

  --text-title: #111827;
  --text-body: #4b5563;
  --text-muted: #6b7280;
  --text-accent: #0284c7;

  --accent-cyan: #06b6d4;
  --accent-blue: #2563eb;
  --accent-emerald: #10b981;

  --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.04), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
  --card-shadow-hover: 0 20px 40px -10px rgba(6, 182, 212, 0.12), 0 4px 12px -2px rgba(0, 0, 0, 0.04);
  --aurora-gradient: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(6, 182, 212, 0.12), rgba(37, 99, 235, 0.06) 45%, transparent 75%);
  --badge-bg: rgba(6, 182, 212, 0.08);
  --badge-border: rgba(6, 182, 212, 0.2);
  --input-bg: #f3f4f6;
  --btn-primary-bg: #111827;
  --btn-primary-text: #ffffff;
  --btn-primary-hover: #1f2937;
  --btn-sec-bg: #ffffff;
  --btn-sec-text: #1f2937;
  --btn-sec-border: rgba(0, 0, 0, 0.12);
  --ok: #059669;
  --warn: #d97706;
  --err: #dc2626;
}

html.dark {
  --bg-page: #05070d;
  --bg-surface: #0b0f19;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-elevated: #0f172a;
  --bg-nav: rgba(5, 7, 13, 0.8);
  --bg-panel: rgba(255, 255, 255, 0.04);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(56, 189, 248, 0.4);
  --border-hover: rgba(56, 189, 248, 0.35);

  --text-title: #f8fafc;
  --text-body: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #38bdf8;

  --card-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.8);
  --card-shadow-hover: 0 25px 50px -12px rgba(6, 182, 212, 0.18), 0 0 20px rgba(6, 182, 212, 0.1);
  --aurora-gradient: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(6, 182, 212, 0.22), rgba(37, 99, 235, 0.12) 45%, transparent 75%);
  --badge-bg: rgba(255, 255, 255, 0.05);
  --badge-border: rgba(255, 255, 255, 0.1);
  --input-bg: rgba(255, 255, 255, 0.04);
  --btn-primary-bg: #ffffff;
  --btn-primary-text: #05070d;
  --btn-primary-hover: #f1f5f9;
  --btn-sec-bg: rgba(255, 255, 255, 0.05);
  --btn-sec-text: #e2e8f0;
  --btn-sec-border: rgba(255, 255, 255, 0.12);
  --ok: #34d399;
  --warn: #fbbf24;
  --err: #f87171;
}

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

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', system-ui, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-title);
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-page);
  overflow-x: hidden;
  line-height: 1.55;
  min-height: 100vh;
}

.aurora-bg {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  max-width: 1400px;
  height: 620px;
  background: var(--aurora-gradient);
  pointer-events: none;
  z-index: 0;
}

.floating-nav {
  background: var(--bg-nav);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--card-shadow);
}

.floating-nav:hover { border-color: var(--border-active); }

.nav-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
}

.nav-brand img { height: 2.2rem; max-width: 160px; width: auto; }

@media (min-width: 640px) {
  .nav-brand img { height: 2.5rem; max-width: 184px; }
}

.logo-on-light { display: block; }
.logo-on-dark { display: none; }
html.dark .logo-on-light { display: none; }
html.dark .logo-on-dark { display: block; }

.bento-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 1.5rem;
  backdrop-filter: blur(20px);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  text-align: left;
  color: inherit;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.bento-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
}

.bento-card::before {
  content: '';
  position: absolute;
  top: var(--mouse-y, -150px);
  left: var(--mouse-x, -150px);
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.16), transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.bento-card:hover::before { opacity: 1; }

.hero-gradient-text {
  background: linear-gradient(180deg, var(--text-title) 20%, var(--text-body) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cyan-gradient-text {
  background: linear-gradient(135deg, #0284c7 0%, #06b6d4 50%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

html.dark .cyan-gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #06b6d4 50%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn-futuristic,
.btn-futuristic-secondary,
.tool-btn {
  font-weight: 600;
  padding: 0.65rem 1.2rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-futuristic,
.tool-btn.primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border-color: rgba(0, 0, 0, 0.05);
}

.btn-futuristic:hover,
.tool-btn.primary:hover { background: var(--btn-primary-hover); }

.btn-futuristic-secondary,
.tool-btn {
  background: var(--btn-sec-bg);
  color: var(--btn-sec-text);
  border-color: var(--btn-sec-border);
}

.btn-futuristic-secondary:hover,
.tool-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--text-accent);
}

.badge-minimal {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 9999px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--text-muted);
}

.minimal-input,
.tool-textarea,
.tool-select {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 0.85rem;
  padding: 0.85rem 1.1rem;
  color: var(--text-title);
  font-size: 0.9rem;
  outline: none;
  font-family: inherit;
}

.tool-textarea {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
  line-height: 1.55;
  min-height: 220px;
  resize: vertical;
}

.minimal-input:focus,
.tool-textarea:focus,
.tool-select:focus {
  border-color: var(--accent-cyan);
  background: var(--bg-surface);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.18);
}

.theme-toggle-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-title);
  cursor: pointer;
}

.theme-toggle-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.chip {
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-body);
  border-radius: 9999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
}

.chip.active {
  border-color: var(--border-active);
  color: var(--text-accent);
  background: var(--badge-bg);
}

.tool-workspace {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 1.5rem;
  box-shadow: var(--card-shadow);
  padding: 1.25rem;
}

@media (min-width: 768px) {
  .tool-workspace { padding: 1.75rem; }
}

.tool-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tool-output {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8rem;
  line-height: 1.55;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 0.85rem;
  padding: 1rem;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 8rem;
  color: var(--text-title);
}

.tool-status { font-size: 0.75rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.tool-status.ok { color: var(--ok); }
.tool-status.err { color: var(--err); }
.tool-status.warn { color: var(--warn); }

.jwt-block {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 0.85rem;
  padding: 1rem;
  overflow: auto;
}

.jwt-block h4 {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-family: ui-monospace, Menlo, monospace;
}

.jwt-block pre {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 0.78rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.diff-add { background: rgba(16, 185, 129, 0.18); }
.diff-del { background: rgba(220, 38, 38, 0.16); }
.diff-same { opacity: 0.75; }

.contrast-swatch {
  height: 7rem;
  border-radius: 1rem;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.35rem;
}

.site-footer {
  padding-top: 3.5rem;
  padding-bottom: 2.75rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: 4rem;
}

.toast-futuristic {
  padding: 0.85rem 1.5rem;
  border-radius: 9999px;
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  border: 1px solid var(--accent-cyan);
  color: var(--text-title);
  font-size: 0.875rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15), 0 0 20px rgba(6, 182, 212, 0.15);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  padding: 0.6rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-page); }
::-webkit-scrollbar-thumb { background: rgba(100, 116, 139, 0.3); border-radius: 3px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}