/* ═══════════════════════════════════════════════════════
   WebDo — Advanced Space Theme Design System v2
   웹서비스 구축 완전정복 (Nebula + Hologram + Glass)
   Copyright 2026. WebDo (Yeon Je-jin) All rights reserved.
   ═══════════════════════════════════════════════════════ */

:root {
  /* Deep space palette */
  --space-void: #030014;
  --space-deep: #0a0a2e;
  --space-mid: #16163a;
  --space-surf: #1e1e4a;
  --space-card: rgba(14,14,48,0.88);
  --space-glass: rgba(22,22,58,0.55);

  /* Neon accents */
  --neon-cyan: #00f0ff;
  --neon-purple: #a855f6;
  --neon-pink: #ff2d78;
  --neon-green: #39ff14;
  --neon-amber: #ffbe0b;
  --neon-blue: #3b82f6;

  /* Gradient shortcuts */
  --glow-cyan: 0 0 20px rgba(0,240,255,0.3);
  --glow-purple: 0 0 20px rgba(168,85,246,0.3);
  --glow-green: 0 0 20px rgba(57,255,20,0.3);
  --glow-pink: 0 0 20px rgba(255,45,120,0.3);

  /* Text */
  --txt-primary: #e0e0ff;
  --txt-secondary: #8888bb;
  --txt-muted: #555588;
  --txt-bright: #ffffff;

  /* Borders */
  --border-dim: rgba(136,136,187,0.12);
  --border-glow: rgba(0,240,255,0.25);

  /* Fonts */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Noto Sans KR', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--space-void);
  color: var(--txt-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── NEBULA BACKGROUND ────────────────────────────── */
body::before {
  content: ''; position: fixed; inset: 0;
  background:
    radial-gradient(ellipse at 15% 25%, rgba(168,85,246,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 75%, rgba(0,240,255,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(255,45,120,0.02) 0%, transparent 60%);
  z-index: 0;
  pointer-events: none;
  animation: nebula-drift 30s ease-in-out infinite alternate;
}
@keyframes nebula-drift {
  0% { opacity: 1; }
  50% { opacity: 0.7; }
  100% { opacity: 1; }
}

/* ─── STARFIELD CANVAS ────────────────────────────── */
#starfield {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
}

/* ─── LOGIN SCREEN ────────────────────────────────── */
#loginScreen {
  position: fixed; inset: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(168,85,246,0.14) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(0,240,255,0.10) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 120%, rgba(255,45,120,0.06) 0%, transparent 40%),
              var(--space-void);
  display: flex; align-items: center; justify-content: center;
  z-index: 9000; flex-direction: column;
}

.login-card {
  position: relative; z-index: 1;
  background: linear-gradient(135deg, rgba(22,22,58,0.92) 0%, rgba(10,10,46,0.96) 100%);
  border: 1px solid var(--border-glow);
  border-radius: 28px;
  padding: 52px 44px 40px;
  width: 100%; max-width: 440px;
  text-align: center;
  backdrop-filter: blur(24px) saturate(1.2);
  box-shadow: 0 0 80px rgba(0,240,255,0.06), 0 0 160px rgba(168,85,246,0.04), inset 0 1px 0 rgba(255,255,255,0.06);
}
/* Holographic shimmer */
.login-card::after {
  content: ''; position: absolute; inset: -1px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(0,240,255,0.12), transparent 40%, rgba(168,85,246,0.12) 60%, transparent);
  z-index: -1; opacity: 0;
  animation: holo-shimmer 4s ease-in-out infinite;
}
@keyframes holo-shimmer {
  0%,100% { opacity: 0; }
  50% { opacity: 1; }
}

.orbit-ring {
  position: absolute; top: -65px; left: 50%; transform: translateX(-50%);
  width: 130px; height: 130px;
  border: 2px solid rgba(0,240,255,0.18);
  border-radius: 50%;
  animation: orbit-spin 8s linear infinite;
}
.orbit-ring::after {
  content: ''; position: absolute; top: -5px; left: 50%; transform: translateX(-50%);
  width: 10px; height: 10px; background: var(--neon-cyan);
  border-radius: 50%; box-shadow: 0 0 16px var(--neon-cyan), 0 0 40px rgba(0,240,255,0.3);
}
.orbit-ring::before {
  content: ''; position: absolute; bottom: -3px; right: 10%; 
  width: 6px; height: 6px; background: var(--neon-purple);
  border-radius: 50%; box-shadow: 0 0 10px var(--neon-purple);
}
@keyframes orbit-spin { from { transform: translateX(-50%) rotate(0deg); } to { transform: translateX(-50%) rotate(360deg); } }

.login-logo { margin-bottom: 18px; margin-top: 28px; }
.planet {
  width: 60px; height: 60px; margin: 0 auto;
  background: radial-gradient(circle at 30% 30%, #c084fc, var(--neon-purple), #4a148c);
  border-radius: 50%;
  box-shadow: 0 0 50px rgba(168,85,246,0.4), 0 0 100px rgba(168,85,246,0.15), inset -10px -10px 24px rgba(0,0,0,0.5);
  animation: planet-float 6s ease-in-out infinite;
  position: relative;
}
.planet::after {
  content: ''; position: absolute; top: 50%; left: -14px; right: -14px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0,240,255,0.4), transparent);
  border-radius: 50%;
  transform: rotateX(70deg) rotateZ(-15deg);
}
@keyframes planet-float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.login-title {
  font-family: var(--font-display);
  font-size: 2.2rem; font-weight: 900;
  color: var(--txt-bright);
  letter-spacing: 8px;
  text-transform: uppercase;
  margin-bottom: 4px;
  text-shadow: 0 0 30px rgba(255,255,255,0.1);
}
.login-title span {
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 100%;
  animation: gradient-flow 3s ease-in-out infinite;
}
@keyframes gradient-flow {
  0%,100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.login-sub-kr {
  font-size: 1.05rem; font-weight: 700;
  color: var(--neon-cyan);
  margin-bottom: 8px;
  text-shadow: 0 0 24px rgba(0,240,255,0.4);
}
.login-sub {
  font-size: 0.78rem; color: var(--txt-secondary);
  line-height: 1.8; margin-bottom: 30px;
}

.google-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: rgba(255,255,255,0.95); color: #1a1a2e;
  border: none; border-radius: 14px;
  padding: 15px 24px; font-size: 0.92rem; font-weight: 600;
  cursor: pointer; width: 100%;
  transition: all 0.3s;
  font-family: var(--font-body);
}
.google-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(255,255,255,0.2), 0 0 60px rgba(255,255,255,0.05);
}

.login-note { font-size: 0.7rem; color: var(--txt-muted); margin-top: 14px; }

.demo-btn {
  background: linear-gradient(135deg, rgba(0,240,255,0.12), rgba(168,85,246,0.12));
  border: 1px solid rgba(0,240,255,0.35);
  color: var(--neon-cyan);
  border-radius: 14px; padding: 13px 20px;
  font-size: 0.88rem; font-weight: 600;
  cursor: pointer; width: 100%; margin-top: 16px;
  font-family: var(--font-body);
  transition: all 0.3s;
  position: relative; overflow: hidden;
}
.demo-btn::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(0,240,255,0.08), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}
.demo-btn:hover::before { transform: translateX(100%); }
.demo-btn:hover {
  background: linear-gradient(135deg, rgba(0,240,255,0.22), rgba(168,85,246,0.22));
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}
.demo-icon { font-size: 1.1rem; }

.login-tags {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 6px; margin-top: 22px;
}
.login-tag {
  display: flex; align-items: center; gap: 5px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-dim);
  color: var(--txt-secondary);
  border-radius: 20px; padding: 4px 12px;
  font-size: 0.7rem;
  transition: all 0.3s;
}
.login-tag:hover { border-color: var(--border-glow); background: rgba(0,240,255,0.04); }
.tag-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 6px currentColor; }

/* ─── APP SHELL ───────────────────────────────────── */
#appShell { display: none; min-height: 100vh; flex-direction: column; position: relative; z-index: 1; }
#appShell.on { display: flex; }

/* ─── TOPBAR ──────────────────────────────────────── */
.topbar {
  background: rgba(6,6,36,0.92);
  backdrop-filter: blur(24px) saturate(1.3);
  border-bottom: 1px solid var(--border-dim);
  display: flex; align-items: center; justify-content: space-between;
  height: 58px; padding: 0 22px;
  position: sticky; top: 0; z-index: 100;
}
/* Scan line effect */
.topbar::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--neon-cyan) 20%, var(--neon-purple) 50%, var(--neon-cyan) 80%, transparent 100%);
  opacity: 0.4;
}
.topbar-logo { display: flex; align-items: center; gap: 8px; }
.logo-star { color: var(--neon-cyan); font-size: 1.4rem; animation: star-pulse 2s ease-in-out infinite; filter: drop-shadow(0 0 6px var(--neon-cyan)); }
@keyframes star-pulse { 0%,100% { opacity: 0.7; transform: scale(1); } 50% { opacity: 1; transform: scale(1.1); text-shadow: 0 0 14px var(--neon-cyan); } }
.logo-text { font-family: var(--font-display); font-size: 0.88rem; font-weight: 700; color: var(--txt-bright); letter-spacing: 4px; }
.logo-accent { font-family: var(--font-display); font-size: 0.88rem; font-weight: 700; background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; letter-spacing: 4px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.top-pct {
  display: flex; align-items: center; gap: 6px;
  background: rgba(0,240,255,0.06);
  border: 1px solid rgba(0,240,255,0.18);
  border-radius: 22px; padding: 5px 16px;
  font-size: 0.76rem; color: var(--neon-cyan); font-weight: 600;
}
.pct-ring { width: 8px; height: 8px; border-radius: 50%; background: var(--neon-cyan); box-shadow: 0 0 8px var(--neon-cyan), 0 0 16px rgba(0,240,255,0.3); animation: star-pulse 2s ease-in-out infinite; }
.user-av {
  width: 34px; height: 34px; border-radius: 50%;
  border: 2px solid var(--neon-purple);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.82rem; font-weight: 700;
  color: var(--neon-purple);
  background: rgba(168,85,246,0.1);
  box-shadow: 0 0 12px rgba(168,85,246,0.15);
}
.logout-btn {
  font-size: 0.72rem; color: var(--txt-secondary);
  background: none; border: 1px solid var(--border-dim);
  border-radius: 8px; padding: 5px 12px;
  cursor: pointer; font-family: var(--font-body);
  transition: all 0.2s;
}
.logout-btn:hover { border-color: var(--neon-pink); color: var(--neon-pink); box-shadow: 0 0 12px rgba(255,45,120,0.15); }
.hamburger { display: none; font-size: 1.3rem; background: none; border: none; cursor: pointer; color: var(--txt-primary); padding: 4px; }

/* ─── SIDEBAR ─────────────────────────────────────── */
.sidebar {
  width: 248px;
  background: rgba(6,6,36,0.96);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--border-dim);
  overflow-y: auto; flex-shrink: 0;
  transition: transform 0.3s;
  position: relative;
}
/* Subtle side glow */
.sidebar::after {
  content: ''; position: absolute; top: 0; right: -1px; bottom: 0; width: 1px;
  background: linear-gradient(180deg, transparent 0%, rgba(0,240,255,0.15) 30%, rgba(168,85,246,0.1) 70%, transparent 100%);
}
.sidebar::-webkit-scrollbar { width: 3px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(0,240,255,0.2); border-radius: 4px; }
.sb-logo-area { padding: 18px 16px; border-bottom: 1px solid var(--border-dim); }
.sb-logo-title { font-family: var(--font-display); font-size: 0.68rem; font-weight: 700; color: var(--neon-cyan); letter-spacing: 3px; text-shadow: 0 0 12px rgba(0,240,255,0.2); }
.sb-logo-sub { font-size: 0.63rem; color: var(--txt-muted); margin-top: 5px; }
.sb-inner { padding: 8px 0 20px; }
.sb-phase-hdr { display: flex; align-items: center; gap: 9px; padding: 11px 14px; cursor: pointer; transition: all 0.25s; border-left: 3px solid transparent; }
.sb-phase-hdr:hover { background: rgba(0,240,255,0.04); border-left-color: rgba(0,240,255,0.4); }
.sb-phase-icon { width: 28px; height: 28px; border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: 0.85rem; flex-shrink: 0; transition: all 0.3s; }
.sb-phase-hdr:hover .sb-phase-icon { transform: scale(1.1); }
.sb-phase-name { font-size: 0.73rem; font-weight: 600; color: var(--txt-primary); flex: 1; line-height: 1.4; }
.sb-phase-cnt { font-size: 0.6rem; color: var(--txt-muted); background: rgba(255,255,255,0.04); border-radius: 999px; padding: 2px 8px; white-space: nowrap; }
.sb-phase-cnt.done { background: rgba(57,255,20,0.12); color: var(--neon-green); box-shadow: 0 0 8px rgba(57,255,20,0.1); }
.sb-steps { overflow: hidden; }
.sb-steps.closed { display: none; }
.sb-step { display: flex; align-items: center; gap: 7px; padding: 8px 12px 8px 30px; cursor: pointer; font-size: 0.71rem; color: var(--txt-secondary); border-left: 3px solid transparent; transition: all 0.2s; }
.sb-step:hover { background: rgba(0,240,255,0.04); color: var(--txt-primary); }
.sb-step.act { background: rgba(0,240,255,0.08); border-left-color: var(--neon-cyan); color: var(--neon-cyan); font-weight: 600; }
.sb-step.dn { color: var(--neon-green); }
.sb-step .sc { width: 16px; height: 16px; border-radius: 50%; border: 1.5px solid var(--txt-muted); display: flex; align-items: center; justify-content: center; font-size: 0.5rem; flex-shrink: 0; transition: all 0.3s; }
.sb-step.dn .sc { background: var(--neon-green); border-color: var(--neon-green); color: var(--space-void); box-shadow: 0 0 10px rgba(57,255,20,0.4); }
.sb-divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border-dim), transparent); margin: 4px 14px; }
.sb-footer { padding: 14px 16px; border-top: 1px solid var(--border-dim); }
.sb-fp-txt { font-size: 0.66rem; color: var(--txt-muted); margin-bottom: 7px; }
.sb-fp-bar { background: rgba(255,255,255,0.04); border-radius: 999px; height: 7px; overflow: hidden; position: relative; }
.sb-fp-fill { height: 100%; background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple)); border-radius: 999px; transition: width 0.6s cubic-bezier(.4,0,.2,1); box-shadow: 0 0 14px rgba(0,240,255,0.4); position: relative; }
.sb-fp-fill::after { content: ''; position: absolute; right: 0; top: 0; bottom: 0; width: 20px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3)); border-radius: 999px; animation: shine-slide 2s ease-in-out infinite; }
@keyframes shine-slide { 0%,100% { opacity: 0; } 50% { opacity: 1; } }

/* ─── CONTENT ─────────────────────────────────────── */
.app-body { display: flex; flex: 1; }
.content { flex: 1; overflow-y: auto; }
.content-inner { max-width: 940px; margin: 0 auto; padding: 26px 22px 80px; }

/* ─── WELCOME ─────────────────────────────────────── */
.welcome-hero {
  background: linear-gradient(135deg, rgba(10,10,46,0.8) 0%, rgba(168,85,246,0.06) 40%, rgba(0,240,255,0.04) 70%, rgba(10,10,46,0.8) 100%);
  border: 1px solid var(--border-glow);
  border-radius: 24px;
  padding: 36px;
  margin-bottom: 22px;
  position: relative; overflow: hidden;
}
.welcome-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(0,240,255,0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(168,85,246,0.04) 0%, transparent 60%);
}
.welcome-hero::after {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(168,85,246,0.06) 0%, transparent 70%);
  border-radius: 50%;
  animation: nebula-drift 20s ease-in-out infinite alternate;
}
.wh-inner { position: relative; z-index: 1; }
.wh-hi { font-size: 0.78rem; color: var(--txt-secondary); margin-bottom: 8px; }
.wh-title { font-family: var(--font-display); font-size: 1.6rem; font-weight: 900; color: var(--txt-bright); margin-bottom: 8px; letter-spacing: 3px; }
.wh-title span { background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.wh-sub { font-size: 0.84rem; color: var(--txt-secondary); line-height: 1.8; }
.wh-stats { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.wstat {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-dim);
  border-radius: 14px; padding: 14px 18px;
  flex: 1; min-width: 100px;
  transition: all 0.35s;
  position: relative; overflow: hidden;
}
.wstat::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
  opacity: 0; transition: opacity 0.3s;
}
.wstat:hover { border-color: var(--border-glow); background: rgba(0,240,255,0.04); transform: translateY(-2px); }
.wstat:hover::before { opacity: 1; }
.wstat-num { font-family: var(--font-display); font-size: 1.6rem; font-weight: 900; background: linear-gradient(135deg, var(--neon-cyan), var(--neon-green)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.wstat-lbl { font-size: 0.66rem; color: var(--txt-muted); margin-top: 3px; }

/* Phase Grid */
.phase-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; }
.ph-card {
  background: var(--space-card);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid var(--border-dim);
  cursor: pointer;
  transition: all 0.35s cubic-bezier(.4,0,.2,1);
  position: relative; overflow: hidden;
}
.ph-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-purple), transparent);
  opacity: 0; transition: opacity 0.3s;
}
/* Glass shimmer on hover */
.ph-card::after {
  content: ''; position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.03) 50%, transparent 60%);
  transform: rotate(45deg) translateY(-100%);
  transition: transform 0.8s;
}
.ph-card:hover::after { transform: rotate(45deg) translateY(0); }
.ph-card:hover { transform: translateY(-5px); border-color: var(--border-glow); box-shadow: 0 16px 48px rgba(0,240,255,0.08), 0 0 30px rgba(0,240,255,0.03); }
.ph-card:hover::before { opacity: 1; }
.ph-card-top { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; position: relative; z-index: 1; }
.ph-card-icon { width: 36px; height: 36px; border-radius: 11px; display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; transition: all 0.3s; }
.ph-card:hover .ph-card-icon { transform: scale(1.1); }
.ph-card-title { font-size: 0.82rem; font-weight: 700; color: var(--txt-bright); line-height: 1.4; position: relative; z-index: 1; }
.ph-card-sub { font-size: 0.68rem; color: var(--txt-secondary); margin-bottom: 12px; line-height: 1.5; position: relative; z-index: 1; }
.ph-mini-bar { background: rgba(255,255,255,0.05); border-radius: 999px; height: 4px; overflow: hidden; margin-bottom: 6px; position: relative; z-index: 1; }
.ph-mini-fill { height: 100%; border-radius: 999px; transition: width 0.5s; }
.ph-mini-lbl { font-size: 0.63rem; color: var(--txt-muted); text-align: right; position: relative; z-index: 1; }

/* ─── PHASE VIEW ──────────────────────────────────── */
.phase-hdr {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 20px; padding-bottom: 16px;
  border-bottom: 1px solid var(--border-dim);
  position: relative;
}
.phase-hdr::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--neon-cyan), transparent);
  opacity: 0.3;
}
.ph-icon-big { width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.ph-title-big { font-family: var(--font-display); font-size: 1.05rem; font-weight: 800; color: var(--txt-bright); letter-spacing: 1.5px; }
.ph-sub-big { font-size: 0.78rem; color: var(--txt-secondary); margin-top: 4px; }
.ph-badge { margin-left: auto; background: rgba(255,255,255,0.04); border: 1px solid var(--border-dim); border-radius: 999px; padding: 6px 15px; font-size: 0.72rem; color: var(--txt-secondary); white-space: nowrap; }
.ph-badge.done { background: rgba(57,255,20,0.08); color: var(--neon-green); border-color: rgba(57,255,20,0.3); box-shadow: 0 0 12px rgba(57,255,20,0.1); }

/* ─── STEP CARDS ──────────────────────────────────── */
.steps-list { display: flex; flex-direction: column; gap: 12px; }
.step-card {
  background: var(--space-card);
  border-radius: 16px;
  border: 1px solid var(--border-dim);
  overflow: hidden; transition: all 0.3s;
  position: relative;
}
/* Left accent line */
.step-card::before {
  content: ''; position: absolute; top: 0; left: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--neon-cyan), var(--neon-purple));
  opacity: 0; transition: opacity 0.3s;
}
.step-card:hover { border-color: var(--border-glow); box-shadow: 0 4px 24px rgba(0,240,255,0.04); }
.step-card:hover::before { opacity: 0.6; }
.step-card.dn { border-color: rgba(57,255,20,0.2); background: rgba(57,255,20,0.02); }
.step-card.dn::before { background: var(--neon-green); opacity: 0.5; }
.step-card-hdr { display: flex; align-items: center; gap: 14px; padding: 18px 20px; cursor: pointer; }
.sc-num {
  width: 32px; height: 32px; border-radius: 50%;
  border: 2px solid var(--txt-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; font-weight: 700;
  color: var(--txt-secondary); flex-shrink: 0;
  transition: all 0.3s;
}
.step-card.dn .sc-num { background: var(--neon-green); border-color: var(--neon-green); color: var(--space-void); box-shadow: 0 0 14px rgba(57,255,20,0.35); }
.sc-info { flex: 1; }
.sc-title { font-size: 0.9rem; font-weight: 600; color: var(--txt-bright); }
.step-card.dn .sc-title { color: var(--neon-green); }
.sc-tags { display: flex; gap: 5px; margin-top: 5px; flex-wrap: wrap; }
.sc-tag { font-size: 0.62rem; color: var(--txt-muted); background: rgba(255,255,255,0.04); border-radius: 4px; padding: 2px 8px; }
.sc-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.sc-time { font-size: 0.66rem; color: var(--txt-muted); white-space: nowrap; }
.sc-btn {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: var(--space-void); border: none; border-radius: 10px;
  padding: 8px 18px; font-size: 0.76rem; font-weight: 700;
  cursor: pointer; font-family: var(--font-body);
  white-space: nowrap; transition: all 0.3s;
  position: relative; overflow: hidden;
}
.sc-btn::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s;
}
.sc-btn:hover::after { transform: translateX(100%); }
.sc-btn:hover { transform: translateY(-2px); box-shadow: var(--glow-cyan), 0 4px 20px rgba(0,240,255,0.15); }
.step-card.dn .sc-btn { background: transparent; color: var(--neon-green); border: 1.5px solid rgba(57,255,20,0.4); }
.step-card.dn .sc-btn::after { display: none; }

/* ─── PATIENT SECTION ─────────────────────────────── */
.pt-section {
  background: var(--space-card);
  border-radius: 18px;
  border: 1px solid var(--border-dim);
  margin-bottom: 18px; overflow: hidden;
}
.pt-hdr { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border-dim); background: linear-gradient(90deg, rgba(0,240,255,0.03), rgba(168,85,246,0.02)); }
.pt-hdr-l { display: flex; align-items: center; gap: 10px; }
.pt-badge-excel { background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink)); color: #fff; border-radius: 8px; padding: 4px 10px; font-size: 0.66rem; font-weight: 700; letter-spacing: 0.5px; }
.pt-hdr-title { font-size: 0.84rem; font-weight: 700; color: var(--txt-bright); }
.pt-add-btn { display: flex; align-items: center; gap: 5px; background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple)); color: var(--space-void); border: none; border-radius: 10px; padding: 8px 16px; font-size: 0.74rem; font-weight: 700; cursor: pointer; font-family: var(--font-body); transition: all 0.3s; }
.pt-add-btn:hover { box-shadow: var(--glow-cyan); transform: translateY(-2px); }
.pt-tbl-wrap { overflow-x: auto; }
.pt-tbl { width: 100%; border-collapse: collapse; font-size: 0.76rem; }
.pt-tbl th { background: rgba(0,240,255,0.04); color: var(--neon-cyan); padding: 11px 14px; text-align: left; font-weight: 600; white-space: nowrap; border-bottom: 1px solid var(--border-dim); font-size: 0.7rem; letter-spacing: 0.5px; text-transform: uppercase; font-family: var(--font-display); }
.pt-tbl td { padding: 10px 14px; border-bottom: 1px solid var(--border-dim); color: var(--txt-primary); }
.pt-tbl tr:last-child td { border-bottom: none; }
.pt-tbl tr:hover td { background: rgba(0,240,255,0.02); }
.enc-cell { font-family: var(--font-mono); font-size: 0.65rem; color: var(--neon-purple); max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ptb { display: inline-block; border-radius: 999px; padding: 3px 10px; font-size: 0.65rem; font-weight: 600; }
.ptb.in { background: rgba(57,255,20,0.08); color: var(--neon-green); }
.ptb.out { background: rgba(255,190,11,0.08); color: var(--neon-amber); }
.pt-del { background: none; border: none; cursor: pointer; color: var(--txt-muted); font-size: 0.8rem; padding: 2px 4px; transition: all 0.2s; }
.pt-del:hover { color: var(--neon-pink); transform: scale(1.15); }
.pt-empty { padding: 36px; text-align: center; }
.pt-empty-icon { font-size: 1.8rem; margin-bottom: 8px; opacity: 0.4; }
.pt-empty-txt { font-size: 0.8rem; color: var(--txt-muted); }
.pt-actions { padding: 14px 20px; border-top: 1px solid var(--border-dim); display: flex; gap: 8px; flex-wrap: wrap; }
.pt-act-btn { display: flex; align-items: center; gap: 5px; border-radius: 10px; padding: 8px 16px; font-size: 0.73rem; font-weight: 600; cursor: pointer; border: 1px solid var(--border-dim); color: var(--txt-primary); background: transparent; font-family: var(--font-body); transition: all 0.25s; }
.pt-act-btn:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); }
.pt-act-btn.pri { background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple)); color: #fff; border-color: transparent; }
.pt-act-btn.pri:hover { box-shadow: var(--glow-purple); transform: translateY(-1px); }

/* ─── CRYPTO DEMO ─────────────────────────────────── */
.crypto-box {
  background: linear-gradient(135deg, rgba(8,8,38,0.96), rgba(20,20,52,0.92));
  border-radius: 18px; padding: 22px; margin-bottom: 18px;
  border: 1px solid rgba(0,240,255,0.12);
  position: relative; overflow: hidden;
}
.crypto-box::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-purple), transparent);
  opacity: 0.5;
}
.crypto-title { font-family: var(--font-display); font-size: 0.8rem; font-weight: 700; color: var(--neon-cyan); margin-bottom: 14px; letter-spacing: 2px; text-shadow: 0 0 12px rgba(0,240,255,0.2); }
.crypto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.crypto-panel { background: rgba(255,255,255,0.02); border-radius: 14px; padding: 16px; border: 1px solid var(--border-dim); }
.cp-title { font-family: var(--font-display); font-size: 0.62rem; font-weight: 700; color: var(--txt-muted); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 10px; }
.ci { width: 100%; background: rgba(255,255,255,0.04); border: 1px solid var(--border-dim); border-radius: 10px; padding: 9px 12px; color: var(--txt-primary); font-size: 0.8rem; font-family: var(--font-body); outline: none; margin-bottom: 7px; transition: all 0.25s; }
.ci:focus { border-color: var(--neon-cyan); box-shadow: 0 0 14px rgba(0,240,255,0.1); background: rgba(0,240,255,0.02); }
.co { background: rgba(0,0,0,0.45); border-radius: 10px; padding: 12px 14px; font-family: var(--font-mono); font-size: 0.68rem; color: var(--neon-cyan); min-height: 50px; word-break: break-all; line-height: 1.7; white-space: pre-wrap; border: 1px solid rgba(0,240,255,0.08); }
.co.ok { color: var(--neon-green); border-color: rgba(57,255,20,0.15); }
.co.err { color: var(--neon-pink); border-color: rgba(255,45,120,0.15); }
.cb { background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple)); color: var(--space-void); border: none; border-radius: 10px; padding: 9px 16px; font-size: 0.77rem; font-weight: 700; cursor: pointer; font-family: var(--font-body); width: 100%; margin-top: 6px; transition: all 0.3s; }
.cb:hover { box-shadow: var(--glow-cyan); transform: translateY(-1px); }
.crypto-match { text-align: center; padding: 12px; font-size: 0.82rem; font-weight: 700; border-radius: 10px; margin-top: 12px; display: none; }
.crypto-match.ok { background: rgba(57,255,20,0.08); color: var(--neon-green); display: block; border: 1px solid rgba(57,255,20,0.25); box-shadow: 0 0 16px rgba(57,255,20,0.05); }
.crypto-match.fail { background: rgba(255,45,120,0.08); color: var(--neon-pink); display: block; border: 1px solid rgba(255,45,120,0.25); }

/* ─── MODAL ───────────────────────────────────────── */
.overlay {
  position: fixed; inset: 0;
  background: rgba(3,0,20,0.88);
  z-index: 2000; display: none;
  align-items: flex-start; justify-content: center;
  padding: 16px; overflow-y: auto;
  backdrop-filter: blur(12px);
}
.overlay.on { display: flex; }
.modal {
  background: linear-gradient(180deg, rgba(18,18,52,0.99) 0%, rgba(8,8,40,1) 100%);
  border: 1px solid var(--border-glow);
  border-radius: 24px;
  width: 100%; max-width: 760px;
  margin: auto; overflow: hidden;
  box-shadow: 0 0 100px rgba(0,240,255,0.06), 0 32px 100px rgba(0,0,0,0.5);
  animation: modal-pop 0.4s cubic-bezier(.34,1.56,.64,1);
}
@keyframes modal-pop { from { opacity: 0; transform: scale(0.92) translateY(24px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.m-hdr { padding: 20px 26px 16px; border-bottom: 1px solid var(--border-dim); display: flex; align-items: flex-start; gap: 14px; justify-content: space-between; position: relative; }
.m-hdr::after { content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple), transparent); opacity: 0.3; }
.m-hdr-icon { width: 44px; height: 44px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.m-hdr-txt { flex: 1; }
.m-num { font-family: var(--font-display); font-size: 0.62rem; color: var(--txt-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px; }
.m-title { font-size: 1.08rem; font-weight: 800; color: var(--txt-bright); margin-top: 5px; }
.m-x { width: 34px; height: 34px; background: rgba(255,255,255,0.04); border: 1px solid var(--border-dim); border-radius: 50%; cursor: pointer; font-size: 1rem; color: var(--txt-secondary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: all 0.2s; }
.m-x:hover { background: rgba(255,45,120,0.12); color: var(--neon-pink); border-color: var(--neon-pink); }
.m-body { padding: 20px 26px; max-height: 64vh; overflow-y: auto; }
.m-body::-webkit-scrollbar { width: 3px; }
.m-body::-webkit-scrollbar-thumb { background: rgba(0,240,255,0.2); border-radius: 4px; }
.m-sec { margin-bottom: 18px; }
.m-sec-title { font-family: var(--font-display); font-size: 0.7rem; font-weight: 700; color: var(--neon-cyan); padding-bottom: 7px; border-bottom: 1px solid var(--border-dim); margin-bottom: 10px; letter-spacing: 1.5px; text-transform: uppercase; display: flex; align-items: center; gap: 8px; }
.m-sec-hint { font-family: var(--font-body); font-size: 0.6rem; color: var(--txt-muted); font-weight: 400; letter-spacing: 0; text-transform: none; }
.m-desc { font-size: 0.84rem; color: var(--txt-primary); line-height: 1.85; }
.task-list { display: flex; flex-direction: column; gap: 7px; }
.task {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.015);
  border-radius: 12px;
  border: 1.5px solid transparent;
  cursor: pointer; transition: all 0.15s;
}
.task.dn { background: rgba(57,255,20,0.04); border-color: rgba(57,255,20,0.2); }
.task:hover:not(.dn) { border-color: rgba(0,240,255,0.25); background: rgba(0,240,255,0.03); }
/* Flash animation for modal checks */
.task.check-flash {
  animation: check-flash-anim 0.4s ease-out;
}
.tk {
  width: 20px; height: 20px; border-radius: 6px;
  border: 2px solid var(--txt-muted);
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; background: transparent;
  transition: all 0.3s; margin-top: 1px;
}
.task.dn .tk { background: var(--neon-green); border-color: var(--neon-green); color: var(--space-void); box-shadow: 0 0 10px rgba(57,255,20,0.3); }
.task-txt { font-size: 0.82rem; color: var(--txt-primary); line-height: 1.65; flex: 1; }
.task.dn .task-txt { color: var(--neon-green); }
.links-row { display: flex; flex-wrap: wrap; gap: 8px; }
.mlink { display: flex; align-items: center; gap: 6px; border-radius: 10px; padding: 8px 16px; text-decoration: none; font-size: 0.76rem; font-weight: 600; color: #fff; transition: all 0.25s; }
.mlink:hover { filter: brightness(1.15); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,0.3); }
.mlink.gg { background: linear-gradient(135deg, #4285F4, #3367D6); }
.mlink.sb { background: linear-gradient(135deg, #3ECF8E, #2AB37C); color: var(--space-void); }
.mlink.gh { background: linear-gradient(135deg, #333, #24292F); }
.mlink.cf { background: linear-gradient(135deg, #F6821F, #E67A18); }
.mlink.tg { background: linear-gradient(135deg, #229ED9, #1C8BC4); }
.mlink.cl { background: linear-gradient(135deg, #CC7832, #B06B2A); }
.mlink.gs { background: linear-gradient(135deg, #6366F1, #5458D8); }
.mlink.def { background: linear-gradient(135deg, var(--space-surf), var(--space-mid)); border: 1px solid var(--border-dim); }
.code-blk { background: rgba(0,0,0,0.5); border-radius: 12px; padding: 16px 18px; margin: 10px 0; overflow-x: auto; border: 1px solid rgba(0,240,255,0.08); position: relative; }
.code-blk::before { content: 'CODE'; position: absolute; top: 6px; right: 10px; font-family: var(--font-display); font-size: 0.5rem; color: rgba(0,240,255,0.2); letter-spacing: 1px; }
.code-blk code { font-family: var(--font-mono); font-size: 0.72rem; color: var(--neon-cyan); white-space: pre; display: block; line-height: 1.8; }
.tip-box { background: rgba(255,190,11,0.06); border-left: 3px solid var(--neon-amber); border-radius: 0 12px 12px 0; padding: 12px 16px; font-size: 0.78rem; color: var(--neon-amber); margin: 8px 0; }
.warn-box { background: rgba(255,45,120,0.05); border-left: 3px solid var(--neon-pink); border-radius: 0 12px 12px 0; padding: 12px 16px; font-size: 0.78rem; color: var(--neon-pink); margin: 8px 0; }
.m-foot { padding: 14px 26px; border-top: 1px solid var(--border-dim); display: flex; align-items: center; justify-content: space-between; background: rgba(0,0,0,0.12); }
.m-foot-l { font-size: 0.72rem; color: var(--txt-muted); }
.m-btns { display: flex; gap: 10px; }
.btn-done { background: linear-gradient(135deg, var(--neon-cyan), var(--neon-green)); color: var(--space-void); border: none; border-radius: 12px; padding: 10px 22px; font-size: 0.84rem; font-weight: 700; cursor: pointer; font-family: var(--font-body); transition: all 0.3s; }
.btn-done:hover { box-shadow: var(--glow-green), 0 4px 20px rgba(57,255,20,0.15); transform: translateY(-2px); }
.btn-cls { background: transparent; color: var(--txt-secondary); border: 1.5px solid var(--border-dim); border-radius: 12px; padding: 10px 18px; font-size: 0.8rem; font-weight: 600; cursor: pointer; font-family: var(--font-body); transition: all 0.2s; }
.btn-cls:hover { border-color: var(--txt-secondary); }

/* ─── PATIENT FORM ────────────────────────────────── */
.pf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pf-field { display: flex; flex-direction: column; gap: 5px; }
.pf-lbl { font-size: 0.7rem; font-weight: 600; color: var(--txt-secondary); letter-spacing: 0.5px; }
.pf-inp { border: 1px solid var(--border-dim); background: rgba(255,255,255,0.03); border-radius: 10px; padding: 9px 12px; font-size: 0.82rem; color: var(--txt-primary); outline: none; font-family: var(--font-body); transition: all 0.25s; }
.pf-inp:focus { border-color: var(--neon-cyan); box-shadow: 0 0 14px rgba(0,240,255,0.1); background: rgba(0,240,255,0.02); }
.pf-sel { border: 1px solid var(--border-dim); background: rgba(255,255,255,0.03); border-radius: 10px; padding: 9px 12px; font-size: 0.82rem; color: var(--txt-primary); outline: none; font-family: var(--font-body); }
.pf-sel option { background: var(--space-mid); color: var(--txt-primary); }
.pf-full { grid-column: 1 / -1; }
.pf-enc-note { grid-column: 1 / -1; background: rgba(168,85,246,0.06); border: 1px solid rgba(168,85,246,0.2); border-radius: 12px; padding: 12px 16px; font-size: 0.74rem; color: var(--neon-purple); }

/* ─── TOAST ───────────────────────────────────────── */
.toast {
  position: fixed; bottom: 28px; right: 24px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-green));
  color: var(--space-void); border-radius: 14px;
  padding: 14px 24px; font-size: 0.84rem; font-weight: 700;
  box-shadow: 0 8px 40px rgba(0,240,255,0.3), 0 0 60px rgba(57,255,20,0.1);
  z-index: 9999;
  transform: translateY(120px); opacity: 0;
  transition: all 0.5s cubic-bezier(.34,1.56,.64,1);
}
.toast.on { transform: translateY(0); opacity: 1; }

/* ─── DONE BANNER ─────────────────────────────────── */
.done-banner {
  background: linear-gradient(135deg, rgba(57,255,20,0.08), rgba(0,240,255,0.04));
  border: 1px solid rgba(57,255,20,0.25);
  border-radius: 18px; padding: 28px;
  color: var(--neon-green); text-align: center;
  margin-bottom: 18px; display: none;
  position: relative; overflow: hidden;
}
.done-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(57,255,20,0.04), transparent 70%);
}
.done-banner.on { display: block; }
.done-banner h2 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 900; letter-spacing: 1.5px; margin-bottom: 6px; position: relative; z-index: 1; }
.done-banner p { position: relative; z-index: 1; font-size: 0.82rem; }

/* ─── BACK BUTTON ─────────────────────────────────── */
.back-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 1px solid var(--border-dim);
  border-radius: 10px; padding: 7px 16px;
  font-size: 0.75rem; font-weight: 600;
  color: var(--txt-secondary); cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.25s; margin-bottom: 16px;
}
.back-btn:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); background: rgba(0,240,255,0.04); }

/* ─── SCROLLBAR ───────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,240,255,0.15); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,240,255,0.25); }

/* ─── SELECTION ───────────────────────────────────── */
::selection { background: rgba(0,240,255,0.2); color: var(--txt-bright); }

/* ─── STEP CARD NAV BUTTON ───────────────────────── */
.sc-nav-btn {
  background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));
  color: var(--space-void); border: none; border-radius: 10px;
  padding: 8px 14px; font-size: 0.74rem; font-weight: 700;
  cursor: pointer; font-family: var(--font-body);
  white-space: nowrap; transition: all 0.3s;
  animation: nav-btn-pulse 2s ease-in-out infinite;
  display: inline-flex; align-items: center; gap: 6px;
}
.sc-nav-cnt {
  background: rgba(0,0,0,0.2); border-radius: 8px;
  padding: 1px 6px; font-size: 0.62rem; font-weight: 600;
}
@keyframes nav-btn-pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(57,255,20,0.2); }
  50% { box-shadow: 0 0 16px 4px rgba(57,255,20,0.15); }
}
.sc-nav-btn:hover { transform: translateY(-2px); box-shadow: var(--glow-green); animation: none; }

/* ─── MODAL NAV LAUNCH ───────────────────────────── */
.m-nav-launch {
  display: flex; align-items: center; gap: 14px;
  background: linear-gradient(135deg, rgba(57,255,20,0.06), rgba(0,240,255,0.06));
  border: 1.5px solid rgba(57,255,20,0.25);
  border-radius: 14px; padding: 16px 20px;
  cursor: pointer; transition: all 0.3s;
}
.m-nav-launch:hover { border-color: rgba(57,255,20,0.5); background: linear-gradient(135deg, rgba(57,255,20,0.1), rgba(0,240,255,0.1)); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(57,255,20,0.08); }
.m-nav-launch-icon { font-size: 2rem; animation: planet-float 3s ease-in-out infinite; }
.m-nav-launch-txt { font-size: 0.88rem; color: var(--neon-green); line-height: 1.6; }
.m-nav-launch-txt b { font-size: 0.95rem; display: block; margin-bottom: 2px; }
.m-nav-launch-txt span { font-size: 0.72rem; color: var(--txt-secondary); }

/* ═══════════════════════════════════════════════════════
   NAVIGATOR MODE — Split-view 실습 가이드
   ═══════════════════════════════════════════════════════ */
.nav-container {
  position: fixed; inset: 0; z-index: 8000;
  display: none;
  background: var(--space-void);
}
.nav-container.on { display: flex; }

/* Left Panel */
.nav-left {
  width: 360px; min-width: 320px;
  background: rgba(6,6,36,0.98);
  border-right: 1px solid var(--border-dim);
  display: flex; flex-direction: column;
  overflow: hidden;
  position: relative;
}
.nav-left::after {
  content: ''; position: absolute; top: 0; right: -1px; bottom: 0; width: 1px;
  background: linear-gradient(180deg, var(--neon-cyan) 0%, var(--neon-purple) 50%, transparent 100%);
  opacity: 0.3;
}

.nav-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-dim);
  background: rgba(0,240,255,0.02);
  position: relative;
}
.nav-close-btn {
  position: absolute; top: 10px; right: 12px;
  width: 30px; height: 30px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border-dim);
  border-radius: 50%; cursor: pointer; font-size: 1.1rem;
  color: var(--txt-secondary); display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.nav-close-btn:hover { background: rgba(255,45,120,0.12); color: var(--neon-pink); border-color: var(--neon-pink); }

.nav-step-info { padding-right: 40px; }
.nav-phase-tag {
  display: inline-block; font-size: 0.6rem; font-weight: 600;
  border-radius: 6px; padding: 3px 8px; margin-bottom: 6px;
}
.nav-step-title { font-size: 0.92rem; font-weight: 800; color: var(--txt-bright); margin-bottom: 3px; }
.nav-step-time { font-size: 0.68rem; color: var(--txt-muted); }

/* Task List */
.nav-tasks {
  flex: 1; overflow-y: auto; padding: 10px 12px;
}
.nav-tasks::-webkit-scrollbar { width: 3px; }
.nav-tasks::-webkit-scrollbar-thumb { background: rgba(0,240,255,0.2); border-radius: 4px; }

.nav-task {
  display: flex; gap: 0; padding: 0;
  border-radius: 12px; margin-bottom: 6px;
  transition: all 0.15s;
  border: 1.5px solid transparent;
  background: rgba(255,255,255,0.015);
  overflow: hidden;
}
.nav-task:hover { background: rgba(0,240,255,0.03); }
.nav-task.active {
  border-color: rgba(0,240,255,0.35);
  background: rgba(0,240,255,0.06);
  box-shadow: 0 0 16px rgba(0,240,255,0.06);
}
.nav-task.done {
  border-color: rgba(57,255,20,0.2);
  background: rgba(57,255,20,0.03);
}
.nav-task.done.active {
  border-color: rgba(57,255,20,0.4);
  background: rgba(57,255,20,0.06);
}
/* Flash animation for instant check feedback */
.nav-task.check-flash {
  animation: check-flash-anim 0.4s ease-out;
}
@keyframes check-flash-anim {
  0% { background: rgba(57,255,20,0.2); }
  100% { background: rgba(57,255,20,0.03); }
}

/* Check area — separate clickable zone */
.nav-task-check {
  display: flex; align-items: center; justify-content: center;
  padding: 12px 10px 12px 12px;
  cursor: pointer; flex-shrink: 0;
  transition: background 0.15s;
}
.nav-task-check:hover {
  background: rgba(57,255,20,0.08);
}
.nav-task-check:active .nav-tk {
  transform: scale(0.85);
}

.nav-tk {
  width: 28px; height: 28px; border-radius: 50%;
  border: 2px solid var(--txt-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; font-weight: 700; color: var(--txt-secondary);
  flex-shrink: 0; transition: all 0.15s;
  font-family: var(--font-display);
}
.nav-task.done .nav-tk {
  background: var(--neon-green); border-color: var(--neon-green);
  color: var(--space-void); box-shadow: 0 0 12px rgba(57,255,20,0.3);
  font-family: var(--font-body);
}
.nav-task.active:not(.done) .nav-tk {
  border-color: var(--neon-cyan); color: var(--neon-cyan);
  box-shadow: 0 0 8px rgba(0,240,255,0.2);
}

/* Body area — separate clickable zone for navigation */
.nav-task-body {
  flex: 1; min-width: 0;
  padding: 12px 12px 12px 6px;
  cursor: pointer;
  transition: background 0.15s;
}
.nav-task-body:hover {
  background: rgba(0,240,255,0.03);
}
.nav-task-label { font-size: 0.82rem; font-weight: 700; color: var(--txt-bright); margin-bottom: 3px; }
.nav-task.done .nav-task-label { color: var(--neon-green); }
.nav-task-hint { font-size: 0.72rem; color: var(--txt-secondary); line-height: 1.5; margin-bottom: 3px; }
.nav-task-url { font-size: 0.62rem; color: var(--neon-cyan); font-family: var(--font-mono); opacity: 0.7; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-task-url.local { color: var(--neon-amber); }
.nav-task.done .nav-task-url { color: var(--neon-green); }

/* Footer */
.nav-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-dim);
  background: rgba(0,0,0,0.12);
}
.nav-progress-txt { font-size: 0.68rem; color: var(--txt-muted); margin-bottom: 6px; }
.nav-progress-bar { background: rgba(255,255,255,0.04); border-radius: 999px; height: 6px; overflow: hidden; margin-bottom: 10px; }
.nav-progress-fill { height: 100%; background: linear-gradient(90deg, var(--neon-cyan), var(--neon-green)); border-radius: 999px; transition: width 0.3s; box-shadow: 0 0 10px rgba(0,240,255,0.3); }

/* Prev / Next buttons */
.nav-footer-btns {
  display: flex; gap: 8px; margin-bottom: 8px;
}
.nav-prev-btn, .nav-next-btn {
  flex: 1;
  background: rgba(255,255,255,0.04);
  color: var(--txt-secondary);
  border: 1px solid var(--border-dim);
  border-radius: 8px; padding: 8px 0;
  font-size: 0.78rem; font-weight: 600;
  cursor: pointer; font-family: var(--font-body);
  transition: all 0.2s;
}
.nav-prev-btn:hover:not(:disabled), .nav-next-btn:hover:not(:disabled) {
  border-color: var(--neon-cyan); color: var(--neon-cyan);
  background: rgba(0,240,255,0.06);
}
.nav-prev-btn:disabled, .nav-next-btn:disabled {
  opacity: 0.3; cursor: not-allowed;
}
.nav-next-btn {
  background: linear-gradient(135deg, rgba(0,240,255,0.08), rgba(168,85,246,0.08));
  border-color: rgba(0,240,255,0.2);
  color: var(--neon-cyan);
}

.nav-complete-btn {
  width: 100%;
  background: rgba(255,255,255,0.04);
  color: var(--txt-muted);
  border: 1.5px solid var(--border-dim);
  border-radius: 10px; padding: 10px;
  font-size: 0.82rem; font-weight: 700;
  cursor: pointer; font-family: var(--font-body);
  transition: all 0.3s;
}
.nav-complete-btn.ready {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-green));
  color: var(--space-void);
  border-color: transparent;
  box-shadow: var(--glow-green);
  animation: nav-btn-pulse 2s ease-in-out infinite;
}
.nav-complete-btn.ready:hover { transform: translateY(-2px); }

/* Right Panel — Site Detail Guide (Open Tab Edition) */
.nav-right {
  flex: 1; position: relative;
  background: linear-gradient(180deg, var(--space-deep) 0%, var(--space-void) 100%);
  overflow-y: auto;
  display: flex; align-items: center; justify-content: center;
}
.nav-right::-webkit-scrollbar { width: 4px; }
.nav-right::-webkit-scrollbar-thumb { background: rgba(0,240,255,0.2); border-radius: 4px; }

/* Right panel inner */
.nr-inner {
  width: 100%; max-width: 480px;
  padding: 40px 32px;
  display: flex; flex-direction: column;
  align-items: center; gap: 20px;
}

/* Step number indicator */
.nr-step-num {
  font-family: var(--font-display);
  font-size: 0.68rem; font-weight: 600;
  color: var(--txt-muted); letter-spacing: 2px;
  text-transform: uppercase;
}

/* Site card */
.nr-site-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-dim);
  border-radius: 24px;
  padding: 32px 28px;
  text-align: center; width: 100%;
  transition: all 0.35s;
  position: relative; overflow: hidden;
}
.nr-site-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-purple), transparent);
  opacity: 0.5;
}
.nr-site-icon {
  width: 72px; height: 72px; border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
  transition: all 0.3s;
}
.nr-site-name {
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 800;
  color: var(--txt-bright); letter-spacing: 1px;
  margin-bottom: 8px;
}
.nr-task-title {
  font-size: 0.88rem; color: var(--txt-secondary);
  line-height: 1.5;
}

/* Hint box */
.nr-hint-box {
  background: rgba(255,190,11,0.04);
  border: 1px solid rgba(255,190,11,0.15);
  border-radius: 16px;
  padding: 18px 20px; width: 100%;
}
.nr-hint-label {
  font-size: 0.72rem; font-weight: 700;
  color: var(--neon-amber); margin-bottom: 8px;
}
.nr-hint-text {
  font-size: 0.86rem; color: var(--txt-primary);
  line-height: 1.7;
}

/* Open site button */
.nr-open-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: var(--space-void); border: none; border-radius: 14px;
  padding: 16px 24px; font-size: 0.95rem; font-weight: 800;
  cursor: pointer; font-family: var(--font-body);
  transition: all 0.3s;
  position: relative; overflow: hidden;
}
.nr-open-btn::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transform: translateX(-100%); transition: transform 0.6s;
}
.nr-open-btn:hover::after { transform: translateX(100%); }
.nr-open-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-cyan), 0 8px 32px rgba(0,240,255,0.2);
}

/* URL display */
.nr-url-display {
  font-family: var(--font-mono);
  font-size: 0.64rem; color: var(--txt-muted);
  text-align: center; margin-top: 8px;
  word-break: break-all;
  opacity: 0.6;
}

/* Local task box */
.nr-local-box {
  background: rgba(168,85,246,0.04);
  border: 1px solid rgba(168,85,246,0.2);
  border-radius: 16px;
  padding: 28px 20px; width: 100%;
  text-align: center;
}
.nr-local-icon { font-size: 2.5rem; margin-bottom: 10px; opacity: 0.7; }
.nr-local-txt {
  font-size: 0.86rem; color: var(--txt-primary); line-height: 1.7;
}
.nr-local-txt span {
  font-size: 0.72rem; color: var(--txt-muted);
  display: block; margin-top: 6px;
}

/* Check/uncheck button */
.nr-check-btn {
  width: 100%;
  background: rgba(57,255,20,0.06);
  color: var(--neon-green);
  border: 2px solid rgba(57,255,20,0.3);
  border-radius: 14px;
  padding: 14px 20px; font-size: 0.9rem; font-weight: 700;
  cursor: pointer; font-family: var(--font-body);
  transition: all 0.3s;
}
.nr-check-btn:hover {
  background: rgba(57,255,20,0.12);
  border-color: rgba(57,255,20,0.5);
  transform: translateY(-2px);
  box-shadow: var(--glow-green);
}
.nr-check-btn.done {
  background: rgba(255,255,255,0.04);
  color: var(--txt-muted);
  border-color: var(--border-dim);
}
.nr-check-btn.done:hover {
  border-color: var(--neon-pink);
  color: var(--neon-pink);
  background: rgba(255,45,120,0.04);
  box-shadow: var(--glow-pink);
}

/* Keyboard hints */
.nr-keys {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 4px;
  font-size: 0.62rem; color: var(--txt-muted);
  padding-top: 4px;
}
.nr-key {
  display: inline-block;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-dim);
  border-radius: 5px; padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 0.58rem; font-weight: 600;
  color: var(--txt-secondary);
}

/* Nav open button in task list */
.nav-open-btn {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; flex-shrink: 0;
  background: rgba(0,240,255,0.06);
  border: 1px solid rgba(0,240,255,0.2);
  border-radius: 10px;
  font-size: 0.9rem; cursor: pointer;
  margin: auto 10px auto 0;
  transition: all 0.25s;
}
.nav-open-btn:hover {
  background: rgba(0,240,255,0.15);
  border-color: var(--neon-cyan);
  transform: scale(1.1);
  box-shadow: 0 0 12px rgba(0,240,255,0.15);
}
.nav-open-btn.opened {
  background: rgba(57,255,20,0.08);
  border-color: rgba(57,255,20,0.3);
  color: var(--neon-green);
}

/* ─── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 720px) {
  .sidebar {
    position: fixed; left: 0; top: 58px; bottom: 0;
    z-index: 50; transform: translateX(-100%);
    width: 270px; box-shadow: 4px 0 40px rgba(0,0,0,0.6);
  }
  .sidebar.open { transform: translateX(0); }
  .hamburger { display: block; }
  .pf-grid, .crypto-grid { grid-template-columns: 1fr; }
  .m-body { max-height: 55vh; }
  .sc-time { display: none; }
  .phase-grid { grid-template-columns: 1fr; }
  .wh-title { font-size: 1.2rem; }
  .login-card { padding: 36px 24px 28px; max-width: 370px; }
  .content-inner { padding: 18px 14px 60px; }
  /* Navigator mobile */
  .nav-container { flex-direction: column; }
  .nav-left { width: 100%; min-width: 0; max-height: 45vh; }
  .nav-right { flex: 1; }
  .nr-inner { padding: 24px 16px; max-width: 100%; }
  .nr-site-card { padding: 20px 16px; }
  .nr-site-icon { width: 56px; height: 56px; font-size: 1.8rem !important; }
  .sc-nav-btn { font-size: 0.68rem; padding: 6px 10px; }
  .nav-footer-btns { gap: 6px; }
  .site-footer { padding: 12px 16px; }
  .footer-copy { font-size: 0.6rem; }
}

/* ─── FOOTER ─────────────────────────────────────── */
.site-footer {
  background: rgba(3,0,20,0.85);
  border-top: 1px solid var(--border-dim);
  padding: 16px 24px;
  text-align: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-copy {
  font-size: 0.7rem;
  color: var(--txt-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

/* ─── USER AVATAR IMAGE ──────────────────────────── */
.user-av-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-glow);
}

/* ─── LOGIN ERROR ────────────────────────────────── */
.login-error {
  display: none;
  margin-top: 12px;
  padding: 10px 14px;
  background: rgba(255,45,120,0.12);
  border: 1px solid rgba(255,45,120,0.3);
  border-radius: 8px;
  color: var(--neon-pink);
  font-size: 0.78rem;
  text-align: center;
}
.login-note {
  margin-top: 10px;
  font-size: 0.72rem;
  color: var(--txt-muted);
  text-align: center;
}