/* ==================== Cyberpunk / Matrix Design Tokens ==================== */
:root {
  --neon: #00ff9f;
  --neon-dim: #00cc7f;
  --neon-glow: rgba(0, 255, 159, .5);
  --neon-faint: rgba(0, 255, 159, .08);
  --cyan: #00e5ff;
  --cyan-glow: rgba(0, 229, 255, .4);
  --magenta: #ff2d95;
  --magenta-glow: rgba(255, 45, 149, .4);
  --amber: #ffb000;
  --danger: #ff003c;
  --danger-glow: rgba(255, 0, 60, .4);
  --ok: #00ff9f;
  --warn: #ffb000;
  --bg: #060a08;
  --bg-alt: #0a110d;
  --bg-card: #0d1612;
  --bg-deep: #030604;
  --border: #1a3329;
  --border-glow: rgba(0, 255, 159, .15);
  --text: #b8ffd9;
  --text-bright: #e8ffee;
  --text-secondary: #6dd9a8;
  --muted: #4a8c6a;
  --muted-light: #5fa67e;
  --radius: 4px;
  --radius-sm: 3px;
  --radius-lg: 8px;
  --shadow-glow: 0 0 12px rgba(0, 255, 159, .15);
  --shadow-neon: 0 0 20px rgba(0, 255, 159, .25), 0 0 40px rgba(0, 255, 159, .08);
  --transition: .2s ease;
  --header-h: 62px;
  --mono: "JetBrains Mono", "Fira Code", "SF Mono", "Cascadia Code", Consolas, "Courier New", monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at top, rgba(0,255,159,.03) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(0,229,255,.02) 0%, transparent 50%),
    repeating-linear-gradient(0deg, transparent 0, transparent 2px, rgba(0,255,159,.015) 2px, rgba(0,255,159,.015) 4px);
  background-attachment: fixed;
}

a { color: var(--neon); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--text-bright); text-shadow: 0 0 8px var(--neon-glow); }

code {
  font-family: var(--mono);
  font-size: .85em;
  background: var(--bg-deep);
  padding: 2px 7px;
  border-radius: 3px;
  color: var(--neon);
  border: 1px solid var(--border);
  text-shadow: 0 0 4px var(--neon-glow);
}

/* ==================== Header ==================== */
.header {
  background: linear-gradient(90deg, var(--bg-deep) 0%, #061410 50%, var(--bg-deep) 100%);
  color: var(--neon);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  height: var(--header-h);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 0 20px rgba(0, 255, 159, .1), inset 0 -1px 0 var(--border-glow);
}
.header::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
  box-shadow: 0 0 8px var(--neon-glow);
}
.header h1 {
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: .05em;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-bright);
  text-transform: uppercase;
}
.header h1::before {
  content: "▣";
  color: var(--neon);
  font-size: 20px;
  text-shadow: 0 0 10px var(--neon-glow);
  animation: pulse 2s ease-in-out infinite;
}
.header .sub {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
  letter-spacing: .02em;
}
.header nav { margin-left: auto; display: flex; gap: 0; flex-wrap: wrap; }
.header nav a {
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: .03em;
  border: 1px solid transparent;
}
.header nav a:hover { background: var(--neon-faint); color: var(--neon); border-color: var(--border); }
.header nav a.active {
  background: var(--neon-faint);
  color: var(--neon);
  font-weight: 700;
  border-color: var(--neon-dim);
  text-shadow: 0 0 6px var(--neon-glow);
  box-shadow: inset 0 0 10px rgba(0,255,159,.05), 0 0 8px rgba(0,255,159,.1);
}

@keyframes pulse {
  0%, 100% { opacity: 1; text-shadow: 0 0 10px var(--neon-glow); }
  50% { opacity: .6; text-shadow: 0 0 4px var(--neon-glow); }
}

/* ==================== Badges ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 2px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: .05em;
  text-transform: uppercase;
  font-family: var(--mono);
}
.badge-ok { background: rgba(0,255,159,.1); color: var(--ok); border: 1px solid rgba(0,255,159,.3); text-shadow: 0 0 4px var(--neon-glow); }
.badge-warn { background: rgba(255,176,0,.1); color: var(--warn); border: 1px solid rgba(255,176,0,.3); text-shadow: 0 0 4px rgba(255,176,0,.4); }
.badge-danger { background: rgba(255,0,60,.1); color: var(--danger); border: 1px solid rgba(255,0,60,.3); text-shadow: 0 0 4px var(--danger-glow); }
.badge-info { background: rgba(0,229,255,.1); color: var(--cyan); border: 1px solid rgba(0,229,255,.3); text-shadow: 0 0 4px var(--cyan-glow); }

/* ==================== Layout ==================== */
.container { max-width: 1280px; margin: 0 auto; padding: 24px 20px 60px; }
.page { display: none; animation: glitchIn .35s ease; }
.page.active { display: block; }
@keyframes glitchIn {
  from { opacity: 0; transform: translateY(6px); filter: hue-rotate(30deg); }
  to { opacity: 1; transform: translateY(0); filter: hue-rotate(0); }
}

/* ==================== Cards ==================== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-glow);
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 12px; height: 12px;
  border-top: 1px solid var(--neon);
  border-left: 1px solid var(--neon);
  opacity: .6;
}
.card::after {
  content: "";
  position: absolute;
  bottom: 0; right: 0;
  width: 12px; height: 12px;
  border-bottom: 1px solid var(--neon);
  border-right: 1px solid var(--neon);
  opacity: .6;
}
.card:hover { border-color: var(--neon-dim); box-shadow: var(--shadow-neon); }
.card:hover::before, .card:hover::after { opacity: 1; }

.card-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-bright);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.card-title::before {
  content: "▸";
  color: var(--neon);
  text-shadow: 0 0 6px var(--neon-glow);
  font-size: 16px;
}

/* ==================== Toolbar ==================== */
.toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }

/* ==================== Forms ==================== */
input, select, textarea {
  padding: 9px 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--mono);
  outline: none;
  transition: var(--transition);
  background: var(--bg-deep);
  color: var(--text);
}
input::placeholder, textarea::placeholder { color: var(--muted); }
input:focus, select:focus, textarea:focus {
  border-color: var(--neon);
  box-shadow: 0 0 0 2px var(--neon-faint), 0 0 8px var(--neon-glow);
  background: var(--bg-alt);
}
input[type="checkbox"] { width: auto; cursor: pointer; accent-color: var(--neon); }
input[type="file"] { padding: 7px 10px; border-style: dashed; background: var(--bg-deep); color: var(--muted); }
label { font-size: 13px; font-weight: 500; min-width: 80px; color: var(--text-secondary); letter-spacing: .02em; }
.form-row { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.form-row label { min-width: 90px; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--neon) 50%), linear-gradient(135deg, var(--neon) 50%, transparent 50%); background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 30px; }

/* ==================== Buttons ==================== */
button, .btn {
  padding: 9px 18px;
  border: 1px solid var(--neon-dim);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--mono);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  letter-spacing: .04em;
  text-transform: uppercase;
  position: relative;
  background: transparent;
}
.btn-primary {
  background: linear-gradient(180deg, rgba(0,255,159,.15), rgba(0,255,159,.05));
  color: var(--neon);
  border-color: var(--neon-dim);
  text-shadow: 0 0 4px var(--neon-glow);
}
.btn-primary:hover {
  background: linear-gradient(180deg, rgba(0,255,159,.3), rgba(0,255,159,.1));
  border-color: var(--neon);
  box-shadow: 0 0 12px var(--neon-glow), inset 0 0 10px rgba(0,255,159,.1);
  text-shadow: 0 0 8px var(--neon-glow);
}
.btn-primary:active { transform: scale(.97); }
.btn-secondary {
  background: var(--bg-deep);
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-secondary:hover {
  background: var(--bg-alt);
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 8px var(--cyan-glow);
}
.btn-danger {
  background: linear-gradient(180deg, rgba(255,0,60,.15), rgba(255,0,60,.05));
  color: var(--danger);
  border-color: rgba(255,0,60,.4);
  text-shadow: 0 0 4px var(--danger-glow);
}
.btn-danger:hover {
  background: linear-gradient(180deg, rgba(255,0,60,.3), rgba(255,0,60,.1));
  border-color: var(--danger);
  box-shadow: 0 0 12px var(--danger-glow);
}
.btn-sm { padding: 5px 12px; font-size: 11.5px; }

/* ==================== Tables ==================== */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); }
th {
  background: var(--bg-deep);
  font-weight: 700;
  color: var(--neon);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  position: sticky;
  top: 0;
  text-shadow: 0 0 4px var(--neon-faint);
}
tr { transition: background var(--transition); }
tr:hover { background: var(--neon-faint); }
tr:hover td { color: var(--text-bright); }
td code { font-size: 11px; }

/* ==================== Stats ==================== */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px 20px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}
.stat-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--neon);
  box-shadow: 0 0 6px var(--neon-glow);
}
.stat-card:hover { border-color: var(--neon-dim); box-shadow: var(--shadow-neon); transform: translateY(-2px); }
.stat-card .label { font-size: 11px; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .05em; }
.stat-card .value { font-size: 28px; font-weight: 800; color: var(--neon); margin-top: 4px; line-height: 1.2; text-shadow: 0 0 8px var(--neon-glow); }
.stat-card .value.green { color: var(--ok); text-shadow: 0 0 8px var(--neon-glow); }
.stat-card .value.red { color: var(--danger); text-shadow: 0 0 8px var(--danger-glow); }
.stat-card .value.orange { color: var(--warn); text-shadow: 0 0 8px rgba(255,176,0,.4); }

/* ==================== Progress Bar ==================== */
.progress-bar { background: var(--bg-deep); border-radius: 2px; height: 6px; overflow: hidden; border: 1px solid var(--border); }
.progress-bar .fill {
  background: linear-gradient(90deg, var(--neon-dim), var(--neon));
  height: 100%;
  border-radius: 2px;
  transition: width .4s ease;
  box-shadow: 0 0 8px var(--neon-glow);
}

/* ==================== Modal ==================== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(3, 6, 4, .85);
  backdrop-filter: blur(6px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
}
.modal-overlay.show { display: flex; animation: glitchIn .2s ease; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--neon-dim);
  border-radius: var(--radius-lg);
  padding: 26px;
  max-width: 640px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-neon), 0 0 60px rgba(0,255,159,.1);
  position: relative;
}
.modal::before, .modal::after {
  content: "";
  position: absolute;
  width: 16px; height: 16px;
}
.modal::before { top: -1px; left: -1px; border-top: 2px solid var(--neon); border-left: 2px solid var(--neon); }
.modal::after { bottom: -1px; right: -1px; border-bottom: 2px solid var(--neon); border-right: 2px solid var(--neon); }
.modal h3 { margin-bottom: 16px; font-size: 16px; color: var(--neon); text-shadow: 0 0 6px var(--neon-glow); }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }

/* ==================== Toast ==================== */
.toast {
  position: fixed;
  top: 24px;
  right: 24px;
  background: var(--bg-deep);
  color: var(--neon);
  padding: 12px 22px;
  border: 1px solid var(--neon-dim);
  border-radius: var(--radius-sm);
  z-index: 200;
  display: none;
  font-weight: 600;
  font-size: 13px;
  font-family: var(--mono);
  box-shadow: var(--shadow-neon);
  text-shadow: 0 0 6px var(--neon-glow);
  letter-spacing: .03em;
}
.toast.show { display: block; animation: slideIn .3s ease; }
.toast.error { color: var(--danger); border-color: var(--danger); text-shadow: 0 0 6px var(--danger-glow); box-shadow: 0 0 20px var(--danger-glow); }
@keyframes slideIn { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ==================== Misc ==================== */
.empty { text-align: center; padding: 48px 20px; color: var(--muted); font-size: 13px; letter-spacing: .05em; }
.empty::before { content: "◇"; display: block; font-size: 32px; margin-bottom: 8px; color: var(--border); }
.muted { color: var(--muted); font-size: 12px; }
.scroll-x { overflow-x: auto; }
.classified-tag { color: var(--danger); font-weight: 600; text-shadow: 0 0 4px var(--danger-glow); }
.classified-tag::before { content: "◈ "; }
h2 { font-size: 18px; font-weight: 700; color: var(--text-bright); text-shadow: 0 0 6px var(--neon-faint); }
h3 { font-size: 14px; font-weight: 700; margin-bottom: 12px; color: var(--neon); text-transform: uppercase; letter-spacing: .05em; text-shadow: 0 0 4px var(--neon-faint); }
ul { padding-left: 20px; }
li { margin-bottom: 4px; color: var(--text-secondary); }
li::marker { color: var(--neon); }

/* scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--neon-dim); box-shadow: 0 0 4px var(--neon-glow); }

/* selection */
::selection { background: var(--neon); color: var(--bg-deep); }

/* responsive */
@media (max-width: 768px) {
  .header { flex-direction: column; height: auto; padding: 12px 16px; gap: 8px; }
  .header nav { margin-left: 0; }
  .form-row { flex-direction: column; align-items: flex-start; }
  .form-row label { min-width: auto; }
  .container { padding: 16px 12px 40px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ==================== Matrix Rain Canvas ==================== */
#matrix-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: .35;
  pointer-events: none;
}

/* ==================== Typewriter Cursor ==================== */
.tw-cursor::after {
  content: "▋";
  color: var(--neon);
  text-shadow: 0 0 6px var(--neon-glow);
  animation: twBlink .7s step-end infinite;
  margin-left: 2px;
}
@keyframes twBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ==================== Scan Beam (顶部扫描光带) ==================== */
.scan-beam {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  height: 2px;
  z-index: 49;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
  box-shadow: 0 0 12px var(--neon-glow);
  opacity: .5;
  animation: scanSweep 6s linear infinite;
}
@keyframes scanSweep {
  0% { transform: translateY(0); opacity: 0; }
  10% { opacity: .5; }
  90% { opacity: .5; }
  100% { transform: translateY(80vh); opacity: 0; }
}

/* ==================== Subtitle Glitch ==================== */
.header .sub[data-typewriter] {
  animation: subGlitch 4s steps(1) infinite;
}
@keyframes subGlitch {
  0%, 92%, 100% { text-shadow: none; transform: translate(0); }
  93% { text-shadow: -2px 0 var(--magenta), 2px 0 var(--cyan); transform: translateX(1px); }
  94% { text-shadow: 2px 0 var(--magenta), -2px 0 var(--cyan); transform: translateX(-1px); }
  95% { text-shadow: none; transform: translate(0); }
}

/* ==================== Page 进入增强 ==================== */
@keyframes glitchIn {
  from { opacity: 0; transform: translateY(6px); filter: hue-rotate(40deg) blur(1px); }
  to { opacity: 1; transform: translateY(0); filter: hue-rotate(0) blur(0); }
}

/* 卡片入场：错峰 */
.card { animation: cardIn .4s ease both; }
@keyframes cardIn {
  from { opacity: 0; transform: translateY(10px) scale(.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ==================== 减少动效偏好 ==================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  #matrix-bg, .scan-beam { display: none !important; }
}