/* ═══════════════════════════════════════════
   ERP DEMO — HIGH-END DESIGN SYSTEM
   ═══════════════════════════════════════════ */

/* ─── TOKENS ─── */
:root{
  --bg:#09090b;
  --bg2:#0c0e12;
  --surface:#111318;
  --surface2:#16181f;
  --surface3:#1c1f27;
  --border:rgba(255,255,255,.06);
  --border2:rgba(255,255,255,.1);
  --border3:rgba(255,255,255,.15);
  --text:#f0f0f5;
  --text2:#c8cad3;
  --muted:#7c819a;
  --dim:#4e5266;
  --accent:#3b82f6;
  --accent2:#818cf8;
  --accent-soft:rgba(59,130,246,.08);
  --accent-glow:rgba(59,130,246,.2);
  --green:#22c55e;
  --red:#ef4444;
  --amber:#f59e0b;
  --purple:#a855f7;
  --teal:#14b8a6;
  --cyan:#06b6d4;
  --radius:10px;
  --radius-lg:14px;
  --radius-xl:20px;
  --en:'Inter',sans-serif;
  --font:'Noto Sans KR','Inter',-apple-system,sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
  --ease-out:cubic-bezier(.33,1,.68,1);
  --shadow-sm:0 1px 2px rgba(0,0,0,.3);
  --shadow:0 4px 16px rgba(0,0,0,.25);
  --shadow-lg:0 12px 40px rgba(0,0,0,.35);
  --shadow-glow:0 0 24px rgba(59,130,246,.12);
  --glass-bg:rgba(17,19,24,.82);
  --glass-border:rgba(255,255,255,.06);
  --nav-h:60px;
  --main-nav:56px;
  --side-w:240px;
}

/* ─── RESET ─── */
*{margin:0;padding:0;box-sizing:border-box}
*::-webkit-scrollbar{width:6px;height:6px}
*::-webkit-scrollbar-track{background:transparent}
*::-webkit-scrollbar-thumb{background:rgba(255,255,255,.08);border-radius:3px}
*::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.15)}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);background:var(--bg);color:var(--text);
  font-size:.9375rem;line-height:1.6;overflow-x:hidden;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%,rgba(59,130,246,.04),transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%,rgba(139,92,246,.03),transparent);
  background-attachment:fixed;
}
a{text-decoration:none;color:inherit}
button{font-family:var(--font)}
input,select,textarea{font-family:var(--font)}

/* ─── TOP NAV ─── */
.e-nav{
  position:fixed;top:var(--main-nav);left:0;right:0;height:var(--nav-h);z-index:200;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;
  background:var(--glass-bg);
  border-bottom:1px solid var(--glass-border);
  backdrop-filter:blur(32px) saturate(1.3);
  -webkit-backdrop-filter:blur(32px) saturate(1.3);
}
.e-nav-left{display:flex;align-items:center;gap:12px}
.e-nav-toggle{
  width:36px;height:36px;border:none;border-radius:8px;
  background:transparent;color:var(--muted);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:1rem;
  transition:all .2s var(--ease);
}
.e-nav-toggle:hover{background:var(--accent-soft);color:var(--text)}
.e-nav-brand{display:flex;align-items:center;gap:10px}
.e-nav-logo{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  font-size:.95rem;color:#fff;
  box-shadow:0 2px 12px rgba(59,130,246,.25);
}
.e-nav-logo.crm{
  background:linear-gradient(135deg,#10b981,#06b6d4);
  box-shadow:0 2px 12px rgba(16,185,129,.25);
}
.e-nav-title{font-weight:800;font-size:1.05rem;letter-spacing:.5px;font-family:var(--en)}
.e-nav-badge{
  font-size:.58rem;font-weight:700;padding:2px 8px;border-radius:20px;
  background:linear-gradient(135deg,rgba(59,130,246,.15),rgba(139,92,246,.1));
  color:var(--accent2);letter-spacing:1px;
  border:1px solid rgba(139,92,246,.12);
}
.e-nav-right{display:flex;align-items:center;gap:12px}
.e-nav-search{
  position:relative;display:flex;align-items:center;
}
.e-nav-search i{
  position:absolute;left:12px;color:var(--dim);font-size:.8rem;
}
.e-nav-search input{
  width:220px;height:36px;padding:0 12px 0 34px;
  border-radius:10px;border:1px solid var(--border);
  background:var(--surface);color:var(--text);font-size:.8rem;
  outline:none;transition:all .25s var(--ease);
}
.e-nav-search input:focus{
  border-color:rgba(59,130,246,.3);width:280px;
  box-shadow:0 0 0 3px rgba(59,130,246,.06);
}
.e-nav-search input::placeholder{color:var(--dim)}
.e-nav-icon-btn{
  width:36px;height:36px;border:none;border-radius:8px;
  background:transparent;color:var(--muted);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:.95rem;
  position:relative;transition:all .2s;
}
.e-nav-icon-btn:hover{background:var(--accent-soft);color:var(--text)}
.e-nav-dot{
  position:absolute;top:7px;right:7px;width:7px;height:7px;
  background:var(--red);border-radius:50%;border:2px solid var(--surface);
}
.e-nav-user{display:flex;align-items:center;gap:8px;cursor:pointer}
.e-nav-avatar{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--purple));
  display:flex;align-items:center;justify-content:center;
  font-size:.72rem;font-weight:700;color:#fff;
}
.e-nav-user span{font-size:.82rem;color:var(--text2);font-weight:500}

/* ─── SIDEBAR ─── */
.e-side{
  position:fixed;top:calc(var(--main-nav) + var(--nav-h));left:0;bottom:0;
  width:var(--side-w);z-index:150;
  background:var(--glass-bg);
  border-right:1px solid var(--glass-border);
  backdrop-filter:blur(20px) saturate(1.2);
  -webkit-backdrop-filter:blur(20px) saturate(1.2);
  display:flex;flex-direction:column;
  padding:16px 10px;
  transition:width .3s var(--ease),transform .3s var(--ease);
  overflow-y:auto;
  overflow-x:hidden;
}
.e-side.collapsed{width:64px}
.e-side.collapsed .e-side-label,
.e-side.collapsed .e-side-item span{display:none}
.e-side.collapsed .e-side-item{justify-content:center;padding:10px}
.e-side.collapsed .e-side-icon{margin:0}

.e-side-group{flex:1}
.e-side-label{
  font-size:.65rem;font-weight:700;color:var(--dim);
  letter-spacing:1.5px;text-transform:uppercase;
  padding:4px 14px;margin-bottom:6px;margin-top:8px;
}
.e-side-item{
  display:flex;align-items:center;gap:12px;
  padding:10px 14px;border-radius:var(--radius);
  color:var(--muted);font-size:.84rem;font-weight:500;
  cursor:pointer;transition:all .2s var(--ease);
  position:relative;margin-bottom:2px;
}
.e-side-item:hover{
  background:rgba(255,255,255,.03);color:var(--text2);
}
.e-side-item.active{
  background:var(--accent-soft);color:var(--accent);font-weight:600;
}
.e-side-item.active::before{
  content:'';position:absolute;left:0;top:6px;bottom:6px;width:3px;
  border-radius:0 2px 2px 0;
  background:linear-gradient(180deg,var(--accent),var(--accent2));
  box-shadow:0 0 8px var(--accent-glow);
}
.e-side-icon{
  width:20px;display:flex;align-items:center;justify-content:center;
  font-size:.9rem;flex-shrink:0;
}
.e-side-bottom{
  padding-top:12px;border-top:1px solid var(--border);margin-top:auto;
}
.e-side-demo{opacity:.45}
.e-side-demo:hover{opacity:.65;background:rgba(255,255,255,.02)}
.e-side-home{color:var(--dim);font-size:.8rem}
.e-side-home:hover{color:var(--text2)}

/* ─── MAIN ─── */
.e-main{
  margin-left:var(--side-w);margin-top:calc(var(--main-nav) + var(--nav-h));
  padding:28px 32px 60px;
  min-height:calc(100vh - var(--nav-h));
  transition:margin-left .3s var(--ease);
}
.e-main.expanded{margin-left:64px}

/* ─── PAGE HEADER ─── */
.e-page-head{
  margin-bottom:28px;display:flex;justify-content:space-between;align-items:flex-start;
}
.e-page-head h1{
  font-size:1.45rem;font-weight:800;letter-spacing:-.3px;
  margin-bottom:6px;
}
.e-page-head p{color:var(--muted);font-size:.85rem}

/* ─── TYPOGRAPHY ─── */
.text-accent{color:var(--accent)}
.text-green{color:var(--green)}
.text-red{color:var(--red);font-weight:600}
.text-muted{color:var(--muted)}
.text-dim{color:var(--dim)}
.font-mono{font-family:var(--en);font-feature-settings:'tnum'}

/* ─── BADGES ─── */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 10px;border-radius:20px;
  font-size:.7rem;font-weight:600;letter-spacing:.2px;
  white-space:nowrap;
}
.badge.sm{padding:2px 8px;font-size:.62rem}
.badge.lg{padding:5px 14px;font-size:.75rem}
.bg-blue{background:rgba(59,130,246,.1);color:#60a5fa;border:1px solid rgba(59,130,246,.1)}
.bg-green{background:rgba(34,197,94,.08);color:#4ade80;border:1px solid rgba(34,197,94,.08)}
.bg-amber{background:rgba(245,158,11,.08);color:#fbbf24;border:1px solid rgba(245,158,11,.08)}
.bg-red{background:rgba(239,68,68,.08);color:#f87171;border:1px solid rgba(239,68,68,.08)}
.bg-purple{background:rgba(168,85,247,.08);color:#c084fc;border:1px solid rgba(168,85,247,.08)}
.bg-teal{background:rgba(20,184,166,.08);color:#2dd4bf;border:1px solid rgba(20,184,166,.08)}
.bg-cyan{background:rgba(6,182,212,.08);color:#22d3ee;border:1px solid rgba(6,182,212,.08)}
.bg-gray{background:rgba(100,116,139,.08);color:#94a3b8;border:1px solid rgba(100,116,139,.08)}

/* ─── ANIMATIONS ─── */
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideIn{from{opacity:0;transform:translateX(-10px)}to{opacity:1;transform:translateX(0)}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
@keyframes scaleIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
@keyframes countUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

.anim-fade{animation:fadeIn .4s var(--ease) both}
.anim-fade-1{animation:fadeIn .4s var(--ease) .05s both}
.anim-fade-2{animation:fadeIn .4s var(--ease) .1s both}
.anim-fade-3{animation:fadeIn .4s var(--ease) .15s both}
.anim-fade-4{animation:fadeIn .4s var(--ease) .2s both}

/* ─── SIDEBAR OVERLAY ─── */
.e-side-overlay{
  display:none;position:fixed;inset:0;z-index:149;
  background:rgba(0,0,0,.5);backdrop-filter:blur(2px);
  opacity:0;transition:opacity .25s var(--ease);
}
.e-side-overlay.show{display:block;opacity:1}

/* ─── RESPONSIVE ─── */
@media(max-width:1024px){
  .e-side{transform:translateX(-100%);width:260px}
  .e-side.show{transform:translateX(0);box-shadow:4px 0 24px rgba(0,0,0,.3)}
  .e-main{margin-left:0}
  .e-nav-search{display:none}
}

@media(max-width:768px){
  .e-nav{padding:0 12px;height:52px}
  .e-nav-toggle{width:34px;height:34px}
  .e-nav-logo{width:30px;height:30px;font-size:.85rem}
  .e-nav-title{font-size:.95rem}
  .e-nav-badge{font-size:.52rem;padding:2px 6px}
  .e-nav-user span{display:none}
  .e-nav-icon-btn{width:34px;height:34px}
  .e-nav-right{gap:6px}

  .e-side{
    top:calc(var(--main-nav) + 52px);
    padding:14px 8px;
  }

  .e-main{
    margin-top:calc(var(--main-nav) + 52px);
    padding:20px 14px 40px;
  }

  .e-page-head{flex-direction:row;align-items:center;gap:10px;margin-bottom:20px}
  .e-page-head > div:first-child{flex:1;min-width:0}
  .e-page-head .e-actions{flex-shrink:0}
  .e-page-head h1{font-size:1.2rem}
  .e-page-head p{font-size:.78rem}
}

@media(max-width:480px){
  .e-nav-title{display:none}
  .e-nav-user{display:none}
  .e-main{padding:16px 12px 32px}
}