/* ==========================================================================
   Mailfornet theme: "Midnight Blue"
   Rules: one navy base, ONE accent (blue), neutral greys, status colours only
   for status. Loaded after style.css and pages.css; it only overrides colours.
   ========================================================================== */

:root {
  color-scheme: dark;

  /* Base */
  --bg: #070d1f;
  --surface: #0e1628;
  --surface-2: #131d33;
  --surface-3: #18243e;
  --border: #1e2a44;
  --border-strong: #2a3854;

  /* Text */
  --text: #e6eaf2;
  --text-2: #a3aec2;
  --muted: #6f7b92;

  /* Single accent */
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-text: #93c5fd;
  --accent-soft: rgba(59, 130, 246, 0.12);
  --accent-ring: rgba(59, 130, 246, 0.35);

  /* Map old tokens onto the palette */
  --primary: var(--accent);
  --primary-2: var(--accent);
  --primary-hover: var(--accent-hover);
  --primary-soft: var(--accent-soft);
  --hero-a: rgba(59, 130, 246, 0.1);
  --hero-b: transparent;

  /* Status */
  --success: #22c55e;
  --danger: #ef4444;
  --danger-soft: rgba(239, 68, 68, 0.1);

  /* Glass */
  --glass-fill: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  --glass-fill-hover: linear-gradient(180deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.04));
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.12);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 16px 40px -24px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 30px 60px -30px rgba(0, 0, 0, 0.8);
}

::selection { background: rgba(59, 130, 246, 0.35); color: #fff; }

html { background: var(--bg); }
body {
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(59, 130, 246, 0.1), transparent 65%),
    var(--bg);
  color: var(--text);
}

a { color: var(--accent-text); }
code { background: rgba(255, 255, 255, 0.05); color: var(--text); border: 1px solid var(--border); }

/* ---------------- Header ---------------- */
.topbar {
  background: rgba(7, 13, 31, 0.72);
  border-bottom: 1px solid var(--border);
  box-shadow: none;
}
.brand { color: var(--text); }
.brand-mark { background: var(--accent); box-shadow: 0 6px 16px -8px rgba(59, 130, 246, 0.7); }
.site-nav a { color: var(--text-2); background: transparent; box-shadow: none; }
.site-nav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.site-nav a[aria-current='page'] { color: var(--text); background: rgba(255, 255, 255, 0.07); box-shadow: inset 0 0 0 1px var(--glass-border); }
@media (max-width: 860px) {
  .site-nav {
    background: rgba(14, 22, 40, 0.92);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-lg);
  }
}

/* ---------------- Heroes ---------------- */
.page-app .hero,
.page-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: transparent;
}
.page-app .hero { padding-bottom: 40px; }
/* One soft blue glow, nothing else */
.page-app .hero::before,
.page-app #tab-temp .hero::before,
.page-hero::before {
  content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(50% 70% at 50% 0%, rgba(59, 130, 246, 0.22), transparent 70%),
    radial-gradient(30% 50% at 85% 60%, rgba(59, 130, 246, 0.1), transparent 70%),
    radial-gradient(30% 50% at 15% 70%, rgba(59, 130, 246, 0.08), transparent 70%);
  animation: none;
  transform: none;
  filter: none;
}
.page-hero::before { opacity: 0.7; }
.page-app .hero::after,
.page-app #tab-temp .hero::after,
.page-hero::after { content: none; }
.page-app #tab-temp .hero { background: transparent; }

h1, .page-app .hero-copy h1, .page-app #tab-temp .hero-copy h1, .page-hero h1 { color: #fff; }
.lead, .page-app .hero-copy .lead, .page-app #tab-temp .hero-copy .lead, .page-hero .lead { color: var(--text-2); }
.grad, .page-app .grad, .page-hero .grad, .page-app #tab-temp .hero-copy .grad {
  background: none;
  -webkit-background-clip: border-box;
  background-clip: border-box;
  color: var(--accent-hover);
}
.eyebrow, .page-app .eyebrow, .page-app #tab-temp .eyebrow {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-strong);
  color: var(--text-2);
  box-shadow: none;
}

/* ---------------- Cards ---------------- */
.card,
.feature,
.steps li,
.post-card a,
.faq-list details {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--glass-highlight), var(--shadow);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.feature { transition: border-color 0.2s; }
.post-card a:hover, .feature:hover { border-color: var(--border-strong); box-shadow: var(--glass-highlight), var(--shadow); transform: none; }
.post-card a:hover h2 { color: var(--accent-text); }
.f-ic, .empty-icon { background: var(--accent-soft); color: var(--accent-text); box-shadow: none; }
.step-num { background: var(--accent); }
.faq-list details[open] { border-color: var(--border-strong); }
.faq-list summary::after { color: var(--accent-text); }
.callout { background: var(--accent-soft); border: 1px solid rgba(59, 130, 246, 0.22); color: var(--text); }
.read-more, .section-head a, .more-link a, .prose a { color: var(--accent-text); }
.prose li::marker { color: var(--accent); }
.breadcrumbs a { color: var(--text-2); }
.breadcrumbs a:hover { color: var(--accent-text); }
.check-list li::before { color: var(--success); background: rgba(34, 197, 94, 0.12); }
.cross-list li::before { color: var(--danger); background: rgba(239, 68, 68, 0.12); }
.nf-code { background: none; color: var(--accent); -webkit-background-clip: border-box; background-clip: border-box; }

/* ---------------- Glass cards on the hero (address + generator) ---------------- */
.address-card.lg,
.generator.lg,
#aliasGenerator.lg {
  --lg-light:
    radial-gradient(58% 140% at 100% 0%, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.35) 35%, rgba(255, 255, 255, 0) 72%),
    radial-gradient(48% 120% at 0% 100%, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0.15) 35%, rgba(255, 255, 255, 0) 70%),
    linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.1));
  background: rgba(14, 22, 40, 0.45);
  border-color: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
#aliasGenerator.lg > :not(.lg-defs, .lg-surface, .lg-bloom, .lg-bevel, .lg-rim) { position: relative; z-index: 4; }
.address-card.lg.expired { background: rgba(14, 22, 40, 0.65); }
[data-liquid-glass='frosted'] .lg-surface { backdrop-filter: blur(20px) saturate(1.4); -webkit-backdrop-filter: blur(20px) saturate(1.4); }
.address-card.lg .address { background: rgba(255, 255, 255, 0.05); border-color: var(--glass-border); box-shadow: var(--glass-highlight); }
.address-card.lg .timer:not(.warn) { background: rgba(255, 255, 255, 0.06); border-color: var(--glass-border); }
.address-card.lg .expired-note { background: rgba(255, 255, 255, 0.04); border-color: var(--glass-border); }
.generator.lg .field > label, #aliasGenerator.lg .field > label { color: var(--text-2); }
.generator.lg .muted { color: var(--muted); }

/* ---------------- Inputs ---------------- */
input[type='text'], input[type='email'], input[type='number'], select,
.generator.lg input[type='text'], .generator.lg select {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-strong);
  color: var(--text);
}
input::placeholder, .generator.lg input::placeholder { color: var(--muted); }
select option { background: var(--surface); color: var(--text); }
input:focus, select:focus,
.generator.lg input:focus, .generator.lg select:focus {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.check { background: rgba(255, 255, 255, 0.03); border-color: var(--border-strong); }
.check:has(input:checked) { background: var(--accent-soft); border-color: var(--accent); }
.check input { accent-color: var(--accent); }

/* ==========================================================================
   Buttons: liquid glass material in two flavours only
   1) Neutral glass (default)   2) Blue glass (primary actions)
   ========================================================================== */
.btn,
.chip,
.nav-toggle,
.new-address-btn,
body.has-inbox .new-address-btn,
.address-card.lg .btn-ghost,
.generator.lg .chip {
  position: relative;
  isolation: isolate;
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  color: var(--text);
  text-shadow: none;
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  box-shadow: var(--glass-highlight), 0 6px 16px -10px rgba(0, 0, 0, 0.6);
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.08s;
}
/* Thin specular rim */
.btn::before,
.chip::before,
.new-address-btn::before {
  content: '';
  position: absolute;
  inset: -1px;
  z-index: -1;
  padding: 1px;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(70% 140% at 100% 0%, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0) 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0.6;
}
.btn:hover,
.chip:hover:not(:disabled),
.new-address-btn:hover,
.address-card.lg .btn-ghost:hover,
.generator.lg .chip:hover:not(:disabled) {
  background: var(--glass-fill-hover);
  border-color: rgba(255, 255, 255, 0.18);
  color: #fff;
}
.btn:active { transform: translateY(1px); }
.btn-ghost { background: transparent; box-shadow: none; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.05); }

/* Blue glass: primary actions (Generate, Copy, Generate new address) */
.btn-primary,
.prose .btn-primary,
.generator.lg .btn-primary,
.address-card .btn-copy,
.address-card.lg .btn-copy,
.btn-light {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0) 60%),
    rgba(59, 130, 246, 0.85);
  border: 1px solid rgba(147, 197, 253, 0.4);
  color: #fff;
  text-shadow: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 10px 24px -12px rgba(59, 130, 246, 0.7);
  filter: none;
}
.btn-primary:hover,
.generator.lg .btn-primary:hover,
.address-card .btn-copy:hover,
.address-card.lg .btn-copy:hover,
.btn-light:hover {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0) 60%),
    rgba(96, 165, 250, 0.9);
  border-color: rgba(191, 219, 254, 0.55);
  color: #fff;
  filter: none;
}

/* Destructive: neutral glass until hover */
.btn-ghost.danger:hover,
.address-card.lg .btn-ghost.danger:hover { color: #fecaca; background: rgba(239, 68, 68, 0.12); border-color: rgba(239, 68, 68, 0.4); }

/* Selected chip uses the accent, nothing else */
.chip { color: var(--text-2); }
.chip.active,
.generator.lg .chip.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: #fff;
  box-shadow: var(--glass-highlight), 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.chip:disabled { opacity: 0.45; }
.new-address-btn, body.has-inbox .new-address-btn { color: var(--text); border-style: solid; }
.nav-toggle span { background: var(--text); }

/* ---------------- Inbox & viewer ---------------- */
.pane-head, .viewer-head { border-bottom-color: var(--border); }
.badge { background: var(--accent-soft); color: var(--accent-text); }
.messages li { border-bottom-color: var(--border); }
.messages li:hover { background: rgba(255, 255, 255, 0.03); }
.messages li.active { background: var(--accent-soft); }
.messages li.active::before, .messages li.unread::after { background: var(--accent); }
.spinner { border-color: var(--border-strong); border-top-color: var(--accent); }
#vFrame { background: #fff; border-radius: 0 0 var(--radius) var(--radius); }
.dot { background: var(--success); }
.dot.off { background: var(--danger); }
.live .pulse, .live .pulse::after { background: var(--success); }
body:has(.address-card.expired) .live .pulse,
body:has(.address-card.expired) .live .pulse::after { background: var(--muted); animation: none; }

.history-list li, .alias-list li { border-top-color: var(--border); }
.history-list li.current-item .h-addr { color: var(--accent-text); }
.pill-ok { background: rgba(34, 197, 94, 0.12); color: #86efac; }
.pill-muted { background: rgba(255, 255, 255, 0.04); color: var(--muted); border-color: var(--border); }
.note { color: var(--text-2); }
.error { color: #fca5a5; }

/* ---------------- Toast ---------------- */
.toast {
  background: rgba(19, 29, 51, 0.92);
  color: var(--text);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--glass-highlight), var(--shadow-lg);
}
.toast.error-toast { background: rgba(127, 29, 29, 0.92); border-color: rgba(239, 68, 68, 0.4); color: #fff; }

/* ---------------- Footer ---------------- */
.site-footer { background: #060b1a; border-top: 1px solid var(--border); }
.footer-col a:hover { color: var(--accent-text); }
.footer-bottom { border-top-color: var(--border); }

/* A backdrop-filter on a lens card itself would stop its lens layer from seeing the page behind */
.card.lg, .address-card.lg { backdrop-filter: none; -webkit-backdrop-filter: none; }