:root {
  --bg: #070b16;
  --bg2: #0d1220;
  --card: #10182b;
  --card2: #151d33;
  --border: #223052;
  --text: #d7e3f4;
  --muted: #7d8bab;
  --cyan: #00f0ff;
  --green: #00ff9c;
  --magenta: #ff2e97;
  --font-latin: 'JetBrains Mono', monospace;
  --font-fa: 'Vazirmatn', sans-serif;
}

* { box-sizing: border-box; }

html[lang="fa"] body { font-family: var(--font-fa); }
html[lang="en"] body { font-family: var(--font-latin); }

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(0,240,255,0.08), transparent 40%),
    radial-gradient(circle at 85% 90%, rgba(255,46,151,0.08), transparent 45%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  transition: background 0.4s, color 0.4s;
}

/* scanline texture */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 3px);
  pointer-events: none; z-index: 9999;
}

/* light theme */
body.theme-light {
  --bg: #eef2f9; --bg2: #dfe6f2; --card: #ffffff; --card2: #f4f7fc;
  --border: #ccd6ea; --text: #16203a; --muted: #5a6b8c;
}

/* leet mode */
body.leet {
  --text: #00ff41; --cyan: #00ff41; --green: #00ff41; --magenta: #00ff41;
  --card: #010a01; --card2: #021002; --bg: #000500; --bg2: #001000; --border: #0a3a0a;
  font-family: var(--font-latin) !important;
  text-shadow: 0 0 4px #00ff41;
}

.mono { font-family: var(--font-latin) !important; }
.accent { color: var(--cyan); }

.app-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px 48px;
  animation: fadeUp 0.5s ease;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* header */
.cg-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 16px;
}
.logo-glow {
  font-size: 40px;
  filter: drop-shadow(0 0 10px var(--cyan));
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }
.app-title {
  margin: 0; font-size: 26px; font-weight: 900; letter-spacing: -0.5px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.app-sub { margin: 0; font-size: 12px; color: var(--muted); }
.icon-btn {
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  padding: 8px 12px; border-radius: 10px; font-size: 14px; font-weight: 700;
  cursor: pointer; transition: all 0.2s; font-family: inherit;
}
.icon-btn:hover { border-color: var(--cyan); box-shadow: 0 0 10px rgba(0,240,255,0.3); }

/* tip ticker */
.tip-ticker {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 10px 14px; margin-bottom: 16px; display: flex; gap: 10px; align-items: center;
  font-size: 13px; overflow: hidden;
}
.tip-label { color: var(--magenta); font-weight: 700; white-space: nowrap; font-family: var(--font-latin); }
.tip-text { color: var(--muted); animation: slideIn 0.5s ease; }
@keyframes slideIn { from { opacity: 0; transform: translateX(10px); } to { opacity: 1; transform: none; } }

/* tabs */
.cg-tabs {
  display: flex; gap: 6px; margin-bottom: 16px; overflow-x: auto;
  padding-bottom: 4px; scrollbar-width: thin;
}
.cg-tab {
  background: var(--card); border: 1px solid var(--border); color: var(--muted);
  padding: 10px 14px; border-radius: 10px; font-size: 13px; font-weight: 700;
  cursor: pointer; white-space: nowrap; transition: all 0.2s; font-family: inherit; flex-shrink: 0;
}
.cg-tab:hover { color: var(--text); }
.cg-tab-active {
  color: var(--bg); background: var(--cyan); border-color: var(--cyan);
  box-shadow: 0 0 16px rgba(0,240,255,0.4);
}
body.theme-light .cg-tab-active { color: #fff; }

/* card */
.cg-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 24px; box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

/* inputs */
.cg-input {
  width: 100%; background: var(--card2); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 14px; color: var(--text); font-size: 15px;
  font-family: inherit; transition: all 0.2s; resize: vertical;
}
.cg-input:focus {
  outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,240,255,0.15);
}
.eye-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  inset-inline-end: 8px;
  background: var(--border); border: none; color: var(--text);
  padding: 6px 10px; border-radius: 8px; font-size: 12px; cursor: pointer; font-family: inherit;
}

/* meter */
.meter-track {
  width: 100%; height: 12px; background: #1c2333; border-radius: 8px; overflow: hidden;
  border: 1px solid var(--border);
}
.meter-fill { height: 100%; border-radius: 8px; transition: width 0.5s ease, background 0.3s; }

/* rule chips */
.rule-chip {
  display: flex; align-items: center; gap: 6px; padding: 8px 10px;
  border-radius: 8px; font-size: 12px; border: 1px solid transparent; transition: all 0.2s;
}
.rule-ok { background: rgba(0,255,156,0.1); color: var(--green); border-color: rgba(0,255,156,0.3); }
.rule-no { background: rgba(125,139,171,0.08); color: var(--muted); }

/* stat cards */
.stat-card {
  background: var(--card2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px;
}

/* verdict / flags */
.verdict-card {
  background: var(--card2); border: 2px solid var(--border); border-radius: 12px; padding: 14px;
}
.flag-card {
  background: rgba(255,46,151,0.08); border: 1px solid rgba(255,46,151,0.3);
  border-radius: 8px; padding: 10px 12px; font-size: 13px; color: var(--text);
}

/* headers */
.grade-badge {
  width: 64px; height: 64px; border-radius: 14px; display: flex;
  align-items: center; justify-content: center; font-size: 34px; font-weight: 900;
  font-family: var(--font-latin);
}
.grade-A { background: rgba(0,255,156,0.15); color: var(--green); box-shadow: 0 0 20px rgba(0,255,156,0.4); }
.grade-B { background: rgba(0,240,255,0.15); color: var(--cyan); }
.grade-C { background: rgba(255,212,0,0.15); color: #ffd400; }
.grade-D, .grade-E { background: rgba(255,156,0,0.15); color: #ff9c00; }
.grade-F { background: rgba(255,46,151,0.15); color: var(--magenta); box-shadow: 0 0 20px rgba(255,46,151,0.3); }
.hdr-row { border-radius: 8px; padding: 10px 12px; border: 1px solid var(--border); }
.hdr-ok { background: rgba(0,255,156,0.06); border-color: rgba(0,255,156,0.25); }
.hdr-no { background: rgba(255,46,151,0.05); border-color: rgba(255,46,151,0.2); }

/* checklist */
.cat-block { background: var(--card2); border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
.cat-title { font-size: 14px; font-weight: 800; color: var(--cyan); margin: 0 0 8px; }
.chk-item {
  display: flex; align-items: center; gap: 10px; padding: 8px 4px; cursor: pointer; font-size: 14px;
}
.cg-check { width: 18px; height: 18px; accent-color: var(--cyan); cursor: pointer; }

/* score */
.gauge-center {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
}
.shield-emoji { font-size: 44px; animation: pulse 3s ease-in-out infinite; }
.badge {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 10px 14px; border-radius: 12px; border: 1px solid var(--border); min-width: 84px;
  transition: all 0.3s;
}
.badge-on { background: rgba(0,240,255,0.1); border-color: var(--cyan); box-shadow: 0 0 14px rgba(0,240,255,0.25); }
.badge-off { opacity: 0.4; filter: grayscale(0.8); }
.board-row {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  background: var(--card2); border: 1px solid var(--border); border-radius: 10px; font-size: 14px;
}

/* buttons */
.cg-btn-primary {
  background: linear-gradient(90deg, var(--cyan), var(--green));
  color: #04121a; border: none; padding: 13px; border-radius: 10px;
  font-size: 15px; font-weight: 800; cursor: pointer; transition: all 0.2s; font-family: inherit;
}
.cg-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,240,255,0.35); }
.cg-btn-primary:disabled { opacity: 0.6; cursor: wait; }

.empty-hint {
  text-align: center; padding: 32px 16px; color: var(--muted); font-size: 14px;
  border: 1px dashed var(--border); border-radius: 12px;
}

/* footer */
.cg-footer { text-align: center; margin-top: 24px; }
.remix-link {
  display: inline-block; margin-top: 10px; color: var(--cyan); font-size: 12px;
  text-decoration: none; border: 1px solid var(--border); padding: 6px 14px; border-radius: 20px;
  transition: all 0.2s; font-family: var(--font-latin);
}
.remix-link:hover { border-color: var(--cyan); box-shadow: 0 0 10px rgba(0,240,255,0.3); }

/* toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--card); border: 1px solid var(--cyan); color: var(--text);
  padding: 12px 20px; border-radius: 12px; font-size: 14px; z-index: 10000;
  box-shadow: 0 0 24px rgba(0,240,255,0.4); animation: toastIn 0.3s ease;
}
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 12px); } to { opacity: 1; transform: translate(-50%, 0); } }