/* ============================================================
   GHOSTWIRE — Tactical Cyber Operations Design System
   Theme: deep-navy black + signal amber + ice cyan
   ============================================================ */

:root {
  --bg: #060a12;
  --bg-2: #0a111d;
  --bg-3: #0e1726;
  --panel: #0d1523;
  --panel-2: #111c2f;
  --line: #1c2a42;
  --line-soft: #152138;
  --amber: #ffb000;
  --amber-dim: #b57a00;
  --cyan: #39d5ff;
  --red: #ff4d5e;
  --green: #3ddc84;
  --purple: #9d7bff;
  --text: #d7e1f0;
  --muted: #7d8da6;
  --faint: #4a5a75;
  --font-head: 'Space Grotesk', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --radius: 10px;
  --glow-amber: 0 0 18px rgba(255, 176, 0, .25);
  --glow-cyan: 0 0 18px rgba(57, 213, 255, .2);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-head);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Tactical grid backdrop */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(28, 42, 66, .25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 42, 66, .25) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

/* Scanline sweep */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: linear-gradient(transparent 0%, rgba(57, 213, 255, .03) 50%, transparent 100%);
  background-size: 100% 220px;
  animation: scan 9s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes scan {
  0% { background-position: 0 -220px; }
  100% { background-position: 0 100vh; }
}

::selection { background: var(--amber); color: #000; }

a { color: var(--cyan); text-decoration: none; }

h1, h2, h3, h4 { font-family: var(--font-head); letter-spacing: .5px; }

.mono { font-family: var(--font-mono); }

/* ---------- Layout ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

.page { padding: 100px 0 60px; min-height: 100vh; }

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(6, 10, 18, .88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  letter-spacing: 2px;
}

.logo .sig {
  width: 12px; height: 12px;
  background: var(--amber);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 176, 0, .5); opacity: 1; }
  50% { box-shadow: 0 0 0 8px rgba(255, 176, 0, 0); opacity: .6; }
}

.logo span.acc { color: var(--amber); }

.nav-links { display: flex; gap: 4px; margin-left: auto; align-items: center; }

.nav-links a {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 6px;
  transition: .2s;
}

.nav-links a:hover { color: var(--text); background: var(--panel-2); }
.nav-links a.active { color: var(--amber); background: rgba(255, 176, 0, .08); }

.nav-user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.nav-xp {
  color: var(--amber);
  border: 1px solid var(--amber-dim);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 13px 26px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: .2s;
  position: relative;
}

.btn-amber {
  background: var(--amber);
  color: #0a0e14;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

.btn-amber:hover { background: #ffc533; box-shadow: var(--glow-amber); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--cyan);
}

.btn-ghost:hover { background: rgba(57, 213, 255, .08); box-shadow: var(--glow-cyan); }

.btn-red { background: transparent; color: var(--red); border: 1px solid var(--red); }
.btn-red:hover { background: rgba(255, 77, 94, .1); }

.btn-sm { padding: 8px 16px; font-size: 11.5px; }

.btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ---------- Panels / Cards ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
}

.panel-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.panel-hd h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
}

.panel-hd h3::before { content: '// '; color: var(--amber); }

/* Corner ticks on special cards */
.tick { position: relative; }
.tick::before, .tick::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border: 2px solid var(--amber);
}
.tick::before { top: -2px; left: -2px; border-right: none; border-bottom: none; }
.tick::after { bottom: -2px; right: -2px; border-left: none; border-top: none; }

/* ---------- Tags / Badges ---------- */
.tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid;
  white-space: nowrap;
}

.tag-ad      { color: #ff8a5c; border-color: #ff8a5c55; background: #ff8a5c11; }
.tag-aws     { color: #ffb000; border-color: #ffb00055; background: #ffb00011; }
.tag-azure   { color: #39a0ff; border-color: #39a0ff55; background: #39a0ff11; }
.tag-gcp     { color: #3ddc84; border-color: #3ddc8455; background: #3ddc8411; }
.tag-web     { color: var(--cyan); border-color: #39d5ff55; background: #39d5ff11; }
.tag-api     { color: var(--purple); border-color: #9d7bff55; background: #9d7bff11; }
.tag-linux   { color: #e8e8e8; border-color: #e8e8e855; background: #e8e8e811; }
.tag-windows { color: #5cc8ff; border-color: #5cc8ff55; background: #5cc8ff11; }

.diff {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.diff::before { content: ''; width: 8px; height: 8px; border-radius: 50%; }
.diff-easy::before   { background: var(--green); box-shadow: 0 0 8px var(--green); }
.diff-medium::before { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.diff-hard::before   { background: #ff7a45; box-shadow: 0 0 8px #ff7a45; }
.diff-insane::before { background: var(--red); box-shadow: 0 0 8px var(--red); }

/* ---------- Forms ---------- */
.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.input, select.input, textarea.input {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 12px 14px;
  transition: .2s;
  outline: none;
}

.input:focus { border-color: var(--amber); box-shadow: var(--glow-amber); }
.input::placeholder { color: var(--faint); }

select.input option { background: var(--bg-2); }

.form-msg {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  display: none;
}

.form-msg.err { display: block; color: var(--red); background: rgba(255, 77, 94, .08); border: 1px solid rgba(255, 77, 94, .3); }
.form-msg.ok  { display: block; color: var(--green); background: rgba(61, 220, 132, .08); border: 1px solid rgba(61, 220, 132, .3); }

/* Password strength meter */
.pw-meter { height: 4px; background: var(--line); border-radius: 2px; margin-top: 8px; overflow: hidden; }
.pw-meter i { display: block; height: 100%; width: 0; transition: .3s; border-radius: 2px; }
.pw-label { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); margin-top: 5px; letter-spacing: 1px; }

/* Chip selector (onboarding) */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }

.chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--muted);
  cursor: pointer;
  transition: .2s;
  user-select: none;
}

.chip:hover { border-color: var(--cyan); color: var(--text); }
.chip.on { border-color: var(--amber); color: var(--amber); background: rgba(255, 176, 0, .08); }

/* ---------- Tables ---------- */
.tbl { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 13px; }

.tbl th {
  text-align: left;
  font-size: 10.5px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--faint);
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}

.tbl td { padding: 12px 14px; border-bottom: 1px solid var(--line-soft); color: var(--text); }
.tbl tr:hover td { background: rgba(57, 213, 255, .03); }

/* ---------- Progress bars ---------- */
.bar { height: 8px; background: var(--bg-2); border-radius: 4px; overflow: hidden; border: 1px solid var(--line-soft); }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--amber-dim), var(--amber)); border-radius: 4px; transition: width .8s ease; }
.bar.cyan i { background: linear-gradient(90deg, #1b7f9e, var(--cyan)); }

/* ---------- Modal ---------- */
.modal-ov {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 10, .85);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-ov.open { display: flex; animation: fadeIn .2s ease; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  max-width: 720px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  padding: 30px;
  position: relative;
  animation: slideUp .25s ease;
}

@keyframes slideUp { from { transform: translateY(24px); opacity: 0; } to { transform: none; opacity: 1; } }

.modal-x {
  position: absolute;
  top: 16px; right: 16px;
  background: none;
  border: 1px solid var(--line);
  color: var(--muted);
  width: 34px; height: 34px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  font-family: var(--font-mono);
  transition: .2s;
}

.modal-x:hover { color: var(--red); border-color: var(--red); }

/* ---------- Toast ---------- */
#toast {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast-item {
  background: var(--panel-2);
  border: 1px solid var(--amber);
  border-left: 4px solid var(--amber);
  border-radius: 8px;
  padding: 14px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  box-shadow: var(--glow-amber);
  animation: toastIn .3s ease;
  max-width: 340px;
}

.toast-item.green { border-color: var(--green); border-left-color: var(--green); box-shadow: 0 0 18px rgba(61,220,132,.2); }
.toast-item.red { border-color: var(--red); border-left-color: var(--red); box-shadow: 0 0 18px rgba(255,77,94,.2); }

@keyframes toastIn { from { transform: translateX(60px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- Section headers ---------- */
.sec-head { margin-bottom: 34px; }

.sec-head .kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--amber);
  display: block;
  margin-bottom: 10px;
}

.sec-head .kicker::before { content: '[ '; color: var(--faint); }
.sec-head .kicker::after { content: ' ]'; color: var(--faint); }

.sec-head h2 { font-size: 32px; font-weight: 700; }

/* ---------- Radar (landing hero) ---------- */
.radar {
  width: 340px; height: 340px;
  border-radius: 50%;
  border: 1px solid var(--line);
  position: relative;
  background:
    radial-gradient(circle, transparent 32%, rgba(28,42,66,.4) 32.5%, transparent 33%),
    radial-gradient(circle, transparent 65%, rgba(28,42,66,.4) 65.5%, transparent 66%),
    radial-gradient(circle, rgba(255,176,0,.04), transparent 70%);
  flex-shrink: 0;
}

.radar::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(255,176,0,.35), transparent 22%);
  animation: sweep 4s linear infinite;
}

@keyframes sweep { to { transform: rotate(360deg); } }

.radar .blip {
  position: absolute;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: blip 4s ease-in-out infinite;
}

.radar .blip.a { top: 28%; left: 62%; animation-delay: .6s; background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.radar .blip.b { top: 58%; left: 30%; animation-delay: 1.8s; }
.radar .blip.c { top: 72%; left: 66%; animation-delay: 2.9s; background: var(--red); box-shadow: 0 0 10px var(--red); }

@keyframes blip { 0%, 100% { opacity: .15; } 8% { opacity: 1; } 40% { opacity: .5; } }

.radar .cross-v, .radar .cross-h { position: absolute; background: rgba(28,42,66,.5); }
.radar .cross-v { left: 50%; top: 0; bottom: 0; width: 1px; }
.radar .cross-h { top: 50%; left: 0; right: 0; height: 1px; }

/* ---------- Terminal (landing hero) ---------- */
.term {
  background: #04070d;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  overflow: hidden;
}

.term-bar {
  display: flex;
  gap: 7px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}

.term-bar i { width: 10px; height: 10px; border-radius: 50%; }
.term-bar i:nth-child(1) { background: var(--red); }
.term-bar i:nth-child(2) { background: var(--amber); }
.term-bar i:nth-child(3) { background: var(--green); }

.term-body { padding: 16px; min-height: 150px; line-height: 1.9; color: var(--muted); }
.term-body .p { color: var(--amber); }
.term-body .c { color: var(--cyan); }
.term-body .g { color: var(--green); }
.cursor { display: inline-block; width: 8px; height: 15px; background: var(--amber); vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Grid helpers ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .nav-links a:not(.keep) { display: none; }
}

@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .sec-head h2 { font-size: 24px; }
  .radar { width: 240px; height: 240px; }
}

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 6px; margin-bottom: 26px; }
.tab { font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px; text-transform: uppercase;
       padding: 10px 20px; border: 1px solid var(--line); border-radius: 6px; color: var(--muted);
       cursor: pointer; transition: .2s; background: none; }
.tab.on { color: var(--amber); border-color: var(--amber); background: rgba(255,176,0,.07); }
.tab:hover:not(.on) { color: var(--text); border-color: var(--cyan); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  margin-top: 60px;
  position: relative;
  z-index: 1;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--faint);
  letter-spacing: 1px;
}

/* ---------- Stamp (classification) ---------- */
.stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red);
  border: 2px solid var(--red);
  padding: 3px 10px;
  transform: rotate(-3deg);
  opacity: .85;
  border-radius: 3px;
}

/* ---------- Misc ---------- */
.stat-big { font-size: 34px; font-weight: 700; font-family: var(--font-mono); }
.muted { color: var(--muted); }
.amber { color: var(--amber); }
.cyan { color: var(--cyan); }
.green { color: var(--green); }
.red { color: var(--red); }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.flex { display: flex; align-items: center; gap: 12px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.wrap { flex-wrap: wrap; }
.hidden { display: none !important; }