:root {
  --neon-cyan:    #00f0ff;
  --neon-magenta: #ff00cc;
  --neon-purple:  #a020f0;
  --neon-purple-dim: rgba(160,32,240,0.25);
  --bg:           #0a0010;
  --bg-card:      rgba(15,0,35,0.85);
  --panel:        rgba(10,0,30,0.75);
  --border:       rgba(160,32,240,0.5);
  --text:         #e8e0ff;
  --text-dim:     rgba(232,224,255,0.55);
  --transition:   800ms;
  --font:         'Courier New', monospace;

  /* Glow / shadow tokens — themes override these */
  --glow-text-primary:    0 0 12px var(--neon-cyan);
  --glow-text-secondary:  0 0 8px var(--neon-magenta);
  --glow-link:            0 0 8px var(--neon-cyan);
  --glow-label:           0 0 6px var(--neon-cyan);
  --glow-card:            0 0 18px var(--neon-purple-dim);
  --glow-card-hover:      0 0 30px rgba(0,240,255,0.25);
  --glow-btn:             0 0 6px rgba(255,0,204,0.2);
  --glow-btn-hover:       0 0 18px var(--neon-magenta);
  --glow-btn-cyan:        0 0 6px rgba(0,240,255,0.2);
  --glow-btn-cyan-hover:  0 0 18px var(--neon-cyan);
  --glow-input:           0 0 8px rgba(0,240,255,0.3);
  --glow-flash-success:   0 0 6px var(--neon-cyan);
  --glow-danger:          #ff3355;
  --glow-danger-dim:      rgba(255,51,85,0.2);
  --glow-danger-hover:    0 0 18px #ff3355;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── TYPOGRAPHY ───────────────────────────────────────── */
h1, h2, h3 {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

a { color: var(--neon-cyan); text-decoration: none; }
a:hover { text-shadow: var(--glow-link); }

/* ── SITE HEADER ──────────────────────────────────────── */
.site-header {
  padding: 1.5rem 2rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  position: relative;
  z-index: 10;
}

.site-title {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--neon-cyan);
  text-shadow: var(--glow-text-primary);
  letter-spacing: 0.2em;
  text-decoration: none;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--neon-cyan);
  font-family: var(--font);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--neon-cyan);
  padding: 0.35rem 0.9rem;
  border-radius: 2px;
  transition: background 0.2s, box-shadow 0.2s;
  text-shadow: var(--glow-text-primary);
  box-shadow: var(--glow-btn-cyan);
}
.back-btn:hover {
  background: rgba(0,240,255,0.1);
  box-shadow: var(--glow-btn-cyan-hover);
  text-shadow: var(--glow-text-primary);
}

/* ── BUTTONS ──────────────────────────────────────────── */
.btn {
  display: inline-block;
  background: var(--panel);
  border: 1px solid var(--neon-magenta);
  color: var(--neon-magenta);
  padding: 0.45rem 1.2rem;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background 0.2s, box-shadow 0.2s;
  text-shadow: var(--glow-text-secondary);
  box-shadow: var(--glow-btn);
  text-decoration: none;
}
.btn:hover {
  background: rgba(255,0,204,0.12);
  box-shadow: var(--glow-btn-hover);
  text-shadow: var(--glow-text-secondary);
  color: var(--neon-magenta);
}
.btn-cyan {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  text-shadow: var(--glow-text-primary);
  box-shadow: var(--glow-btn-cyan);
}
.btn-cyan:hover {
  background: rgba(0,240,255,0.1);
  box-shadow: var(--glow-btn-cyan-hover);
  color: var(--neon-cyan);
  text-shadow: var(--glow-text-primary);
}
.btn-danger {
  border-color: var(--glow-danger);
  color: var(--glow-danger);
  text-shadow: 0 0 6px var(--glow-danger);
  box-shadow: 0 0 6px var(--glow-danger-dim);
}
.btn-danger:hover {
  background: rgba(255,51,85,0.12);
  box-shadow: var(--glow-danger-hover);
  color: var(--glow-danger);
}

/* ── FORMS ────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}
label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  text-shadow: var(--glow-label);
}
input[type="text"],
input[type="password"],
input[type="number"],
textarea {
  background: rgba(0,0,0,0.6);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 0.55rem 0.8rem;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
input:focus, textarea:focus {
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-input);
}
textarea { resize: vertical; min-height: 120px; }

/* ── FLASH MESSAGES ───────────────────────────────────── */
.flash {
  padding: 0.7rem 1rem;
  border-radius: 2px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
}
.flash-success {
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0,240,255,0.08);
  text-shadow: var(--glow-flash-success);
}
.flash-error {
  border: 1px solid #ff3355;
  color: #ff3355;
  background: rgba(255,51,85,0.08);
}

/* ── NEON BOX ─────────────────────────────────────────── */
.neon-box {
  border: 1px solid var(--border);
  box-shadow: var(--glow-card);
  border-radius: 4px;
  background: var(--bg-card);
}

/* ── UTILITY ──────────────────────────────────────────── */
.hidden { display: none !important; }
.page-wrap { max-width: 1400px; margin: 0 auto; padding: 2rem; }