/* CPENT Training Portal — tema gradient biru→merah, nuansa macOS (frosted glass) */
:root{
  --blue:#2f72ff; --blue2:#39b0ff; --red:#ff3b5c; --red2:#ff6a5c;
  --grad:linear-gradient(90deg,#2f72ff 0%,#8a5cff 50%,#ff3b5c 100%);
  --grad-soft:linear-gradient(90deg,rgba(47,114,255,.18),rgba(255,59,92,.18));
  --text:#eef2f8; --muted:#9aa7bd; --warn:#f5b451; --err:#ff6a7e; --accent:var(--blue);
  --glass:rgba(22,27,38,.62); --glass2:rgba(30,36,50,.72); --line:rgba(255,255,255,.10);
  --radius:16px; --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --shadow:0 10px 40px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100vh;color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",system-ui,Roboto,Helvetica,Arial,sans-serif;
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;
  background:
    radial-gradient(1200px 700px at 8% -5%, rgba(47,114,255,.28), transparent 60%),
    radial-gradient(1200px 800px at 108% 110%, rgba(255,59,92,.26), transparent 60%),
    radial-gradient(900px 600px at 90% 0%, rgba(138,92,255,.16), transparent 55%),
    #0a0d14;
  background-attachment:fixed;
}
a{color:var(--blue2);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:1.5rem;margin:.2rem 0 .6rem;letter-spacing:-.01em}
h2{letter-spacing:-.01em}
h3{margin:.1rem 0 .5rem;font-size:1.05rem}
h4{margin:.1rem 0 .4rem;font-size:.98rem}
ul,ol{margin:.3rem 0 .3rem 1.1rem;padding:0}
li{margin:.18rem 0}
.muted{color:var(--muted)} .small{font-size:.85rem} .warn{color:var(--warn)} .err{color:var(--err)}
.ok{color:var(--blue2)} .ok.big,.warn.big{padding:.6rem .8rem;border-radius:10px;background:var(--grad-soft);margin-top:.5rem}
.warn.big{background:rgba(245,180,81,.14)}

/* ---------- macOS window chrome ---------- */
.mac-win{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(26px) saturate(180%);-webkit-backdrop-filter:blur(26px) saturate(180%);
  box-shadow:var(--shadow)}
.mac-bar{display:flex;align-items:center;gap:.6rem;height:40px;padding:0 .9rem;
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border-bottom:1px solid var(--line)}
.mac-dots{display:flex;gap:8px}
.dot{width:12px;height:12px;border-radius:50%;box-shadow:inset 0 0 0 .5px rgba(0,0,0,.25)}
.dot.d-r{background:#ff5f57} .dot.d-y{background:#febc2e} .dot.d-b{background:#2f72ff}
.mac-title{font-size:.8rem;color:var(--muted);font-weight:600}
.mac-body{padding:1.2rem 1.3rem}

/* ---------- Center (gate / profile) ---------- */
.center-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;flex-direction:column}
.center-card{width:100%;max-width:420px;text-align:center}
.center-card.mac-win .mac-body,.center-card.mac-win>h1,.center-card.mac-win>p{text-align:center}
.center-card.mac-win{padding:0}
.center-card.mac-win>h1,.center-card.mac-win>p,.center-card.mac-win>.inp,.center-card.mac-win>.btn,.center-card.mac-win>.err,.center-card.mac-win>.demo-badge{margin-left:1.2rem;margin-right:1.2rem;width:auto}
.center-card.mac-win>h1{margin-top:1rem}
.center-card.mac-win>.btn.primary{width:calc(100% - 2.4rem)}
.center-card.mac-win>.demo-badge{display:block;margin-bottom:1.1rem}
.brand{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:1.6rem;margin:.2rem 0;font-weight:800;letter-spacing:-.02em}

/* ---------- Card ---------- */
.card{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.1rem;margin:0 0 1rem;
  backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);box-shadow:0 6px 24px rgba(0,0,0,.28)}
.card.tip h4{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.card.media .btn{margin-right:.5rem;margin-top:.3rem}

/* ---------- Inputs & buttons ---------- */
.inp{width:100%;padding:.7rem .85rem;margin:.4rem 0;background:rgba(10,14,22,.55);border:1px solid var(--line);
  border-radius:11px;color:var(--text);font-size:.95rem;outline:none;transition:border-color .15s,box-shadow .15s}
.inp:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,114,255,.25)}
.btn{display:inline-block;padding:.58rem 1rem;border:1px solid var(--line);background:rgba(255,255,255,.06);
  color:var(--text);border-radius:11px;cursor:pointer;font-size:.92rem;transition:transform .08s,border-color .15s,background .15s}
.btn:hover{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.1)}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--grad);color:#fff;border:none;font-weight:700;width:100%;padding:.72rem;box-shadow:0 6px 18px rgba(47,114,255,.35)}
.btn.primary:disabled{opacity:.6;cursor:default;box-shadow:none}
.btn.link{background:none;border:none;color:var(--blue2);width:100%;margin-top:.5rem}
.btn.mini{padding:.3rem .62rem;font-size:.82rem;width:auto}
.err{min-height:1rem;margin-top:.4rem;font-size:.88rem;color:var(--err)}
.demo-badge{margin-top:.8rem;font-size:.75rem;color:var(--warn);background:rgba(245,180,81,.1);border:1px solid rgba(245,180,81,.3);padding:.5rem;border-radius:10px}

/* ---------- Topbar ---------- */
.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  padding:.6rem 1rem;background:var(--glass2);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);
  border-bottom:1px solid var(--line)}
.tb-brand{font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.01em}
.tb-right{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}
.tb-prog{color:var(--blue2);font-size:.85rem;font-weight:700}
.tb-user{color:var(--muted);font-size:.85rem}

/* ---------- Layout ---------- */
.layout{display:flex;align-items:flex-start;max-width:1200px;margin:0 auto}
.sidebar{width:300px;flex:0 0 300px;padding:.8rem;position:sticky;top:53px;max-height:calc(100vh - 53px);overflow:auto;
  border-right:1px solid var(--line);background:rgba(16,20,30,.35);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.content{flex:1;min-width:0;padding:1.2rem 1.3rem;max-width:880px}
.nav-top{display:flex;flex-direction:column;gap:.25rem;margin-bottom:.6rem}
.nav-item{text-align:left;background:none;border:1px solid transparent;color:var(--text);padding:.45rem .6rem;border-radius:10px;cursor:pointer;font-size:.9rem}
.nav-item:hover{background:rgba(255,255,255,.06)}
.nav-item.active{background:var(--grad-soft);border-color:var(--line)}
.nav-sec{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:.8rem 0 .3rem;padding-left:.3rem}
.nav-unit{display:grid;grid-template-columns:auto auto 1fr;gap:.45rem;align-items:center;width:100%;text-align:left;
  background:none;border:1px solid transparent;color:var(--text);padding:.42rem .5rem;border-radius:10px;cursor:pointer;font-size:.84rem}
.nav-unit:hover{background:rgba(255,255,255,.06)}
.nav-unit.active{background:var(--grad-soft);border-color:rgba(47,114,255,.5)}
.nav-unit.locked{opacity:.5}
.nu-code{color:var(--muted);font-size:.72rem;white-space:nowrap}
.nu-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.b-done{color:var(--blue2);font-weight:900} .b-open{color:var(--red2);font-weight:900} .b-lock{filter:grayscale(.2)}

/* ---------- Content bits ---------- */
.crumb{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}
.pill{display:inline-block;font-size:.68rem;padding:.14rem .55rem;border-radius:20px;margin-left:.5rem;vertical-align:middle}
.pill.ok{background:rgba(47,114,255,.18);color:var(--blue2);border:1px solid rgba(47,114,255,.45)}
.pill.bad{background:rgba(255,59,92,.16);color:var(--red2);border:1px solid rgba(255,59,92,.4)}
.rules li{margin:.3rem 0}
.chips{display:flex;flex-wrap:wrap;gap:.4rem}
.chip{background:rgba(255,255,255,.06);border:1px solid var(--line);padding:.22rem .6rem;border-radius:20px;font-size:.8rem;color:var(--text)}
.lc-label{font-size:.82rem;color:var(--blue2);margin:.6rem 0 .2rem;font-weight:600}

/* ---------- Code block ---------- */
.code-wrap{position:relative;margin:.3rem 0 .6rem}
.code{background:rgba(6,9,15,.72);border:1px solid var(--line);border-radius:11px;padding:.8rem .9rem;overflow:auto;
  font-family:var(--mono);font-size:.82rem;color:#dbe6f3;white-space:pre;margin:0;line-height:1.45}
.copy-btn{position:absolute;top:.4rem;right:.4rem;padding:.25rem .6rem;font-size:.72rem;background:rgba(255,255,255,.08);
  border:1px solid var(--line);color:var(--text);border-radius:8px;cursor:pointer}
.copy-btn:hover{border-color:var(--blue)}

/* ---------- YouTube ---------- */
.yt-list{display:flex;flex-direction:column;gap:.35rem}
.yt-link{background:rgba(255,255,255,.05);border:1px solid var(--line);padding:.45rem .7rem;border-radius:10px;color:var(--text)}
.yt-link:hover{border-color:var(--red);text-decoration:none}

/* ---------- Assessment ---------- */
.card.assess{border-color:rgba(47,114,255,.45);background:linear-gradient(180deg,rgba(47,114,255,.1),var(--glass))}
.deliver{margin:.5rem 0;font-size:.9rem}
.file-input{display:flex;align-items:center;gap:.5rem;background:rgba(10,14,22,.5);border:1px dashed var(--line);
  border-radius:11px;padding:.6rem .8rem;margin:.4rem 0;cursor:pointer;font-size:.88rem}
.file-input input[type=file]{font-size:.8rem;color:var(--muted)}
.fn{margin:.1rem 0 .4rem}
.msg{min-height:1rem;margin-top:.5rem;font-size:.88rem}
.msg.ok{color:var(--blue2)} .msg.err{color:var(--err)}

/* ---------- Table (admin) ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:.85rem}
.tbl th,.tbl td{border:1px solid var(--line);padding:.45rem .5rem;text-align:left}
.tbl th{background:rgba(255,255,255,.05);color:var(--muted);font-weight:600}

/* ---------- Footer ---------- */
.footer{text-align:center;padding:1.1rem;color:var(--muted);font-size:.85rem;width:100%;
  border-top:1px solid var(--line);margin-top:.5rem;background:rgba(10,13,20,.35);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.footer-link{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  border:none;cursor:pointer;font-weight:700;font-size:.85rem;padding:0 .2rem}
.footer-link:hover{text-decoration:underline;text-decoration-color:var(--red)}

/* ---------- Profile ---------- */
.profile-wrap{display:flex;justify-content:center;width:100%}
.profile-card{width:100%;max-width:460px}
.profile-body{text-align:center;display:flex;flex-direction:column;align-items:center;gap:.5rem}
.avatar{border-radius:50%;display:flex;align-items:center;justify-content:center;overflow:hidden;
  font-weight:800;font-size:2rem;color:#fff;background:var(--grad);
  box-shadow:0 0 0 4px rgba(255,255,255,.08),0 10px 30px rgba(0,0,0,.4)}
.avatar img{width:100%;height:100%;object-fit:cover}
.profile-name{margin:.5rem 0 0;font-size:1.4rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.profile-role{color:var(--muted);font-size:.9rem;margin:.1rem 0 .4rem}
.profile-links{display:flex;flex-direction:column;gap:.5rem;width:100%;margin:.4rem 0 .8rem}
.profile-link{display:flex;align-items:center;gap:.7rem;padding:.7rem .9rem;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);text-align:left}
.profile-link:hover{border-color:rgba(47,114,255,.5);background:rgba(47,114,255,.08);text-decoration:none}
.pl-ico{width:26px;height:26px;display:flex;align-items:center;justify-content:center;border-radius:7px;
  background:var(--grad);color:#fff;font-size:.8rem;font-weight:700;flex:0 0 26px}
.pl-go{margin-left:auto;color:var(--muted)}

/* ---------- Responsive ---------- */
@media(max-width:820px){
  .layout{flex-direction:column}
  .sidebar{width:100%;flex:none;position:static;max-height:none;border-right:none;border-bottom:1px solid var(--line)}
  .content{max-width:100%;padding:1rem}
  .nav-unit .nu-title{white-space:normal}
}