:root {
  --bg: #05060f;
  --panel: rgba(12, 16, 32, 0.88);
  --border: rgba(0, 240, 255, 0.14);
  --cyan: #00f0ff;
  --magenta: #ff00aa;
  --violet: #8b5cf6;
  --green: #00ff9d;
  --orange: #ff9f43;
  --red: #ff5080;
  --text: #e2e8f0;
  --muted: #64748b;
  --sidebar-w: 260px;
  --font-d: "Orbitron", sans-serif;
  --font-m: "JetBrains Mono", monospace;
  --font-b: "Inter", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-b);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.55;
}

/* Background */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,240,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,255,.03) 1px, transparent 1px);
  background-size: 44px 44px;
  animation: gridMove 35s linear infinite;
}
@keyframes gridMove { to { background-position: 44px 44px; } }

.bg-orb {
  position: fixed; border-radius: 50%; pointer-events: none; z-index: 0;
  filter: blur(80px); opacity: .35;
}
.orb-1 { width: 420px; height: 420px; top: -10%; left: -5%; background: radial-gradient(circle, rgba(0,240,255,.4), transparent 70%); animation: floatOrb 12s ease-in-out infinite; }
.orb-2 { width: 360px; height: 360px; bottom: -8%; right: -5%; background: radial-gradient(circle, rgba(255,0,170,.3), transparent 70%); animation: floatOrb 15s ease-in-out infinite reverse; }
@keyframes floatOrb { 0%,100%{transform:translate(0,0)} 50%{transform:translate(30px,-20px)} }

#particles { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }

/* Burger */
.burger {
  position: fixed; top: 1rem; left: 1rem; z-index: 200;
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--panel); border: 1px solid var(--border);
  color: var(--cyan); cursor: pointer; display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(12px); transition: all .25s;
}
.burger:hover { border-color: var(--cyan); box-shadow: 0 0 16px rgba(0,240,255,.25); }
.burger svg { width: 22px; height: 22px; }
.burger.open .b1 { transform: translateY(5px) rotate(45deg); }
.burger.open .b2 { opacity: 0; }
.burger.open .b3 { transform: translateY(-5px) rotate(-45deg); }
.burger line { transition: all .3s; transform-origin: center; }

/* Overlay */
.sidebar-overlay {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(0,0,0,.55); opacity: 0; visibility: hidden;
  transition: all .3s; backdrop-filter: blur(2px);
}
.sidebar-overlay.show { opacity: 1; visibility: visible; }

/* Sidebar */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0; width: var(--sidebar-w);
  z-index: 160; background: rgba(8,10,22,.96); border-right: 1px solid var(--border);
  backdrop-filter: blur(20px); display: flex; flex-direction: column;
  transform: translateX(-100%); transition: transform .35s cubic-bezier(.4,0,.2,1);
}
.sidebar.open { transform: translateX(0); }

.sidebar-head { padding: 1.4rem 1.2rem 1rem; border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: .75rem; }
.brand-icon { width: 40px; height: 40px; flex-shrink: 0; animation: spinSlow 20s linear infinite; }
@keyframes spinSlow { to { transform: rotate(360deg); } }
.brand-name { font-family: var(--font-d); font-weight: 700; font-size: .95rem; letter-spacing: .12em;
  background: linear-gradient(90deg, var(--cyan), var(--magenta)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.brand-sub { font-size: .6rem; letter-spacing: .2em; color: var(--muted); }

.sidebar-nav { flex: 1; padding: 1rem .75rem; display: flex; flex-direction: column; gap: .35rem; }
.nav-item {
  display: flex; align-items: center; gap: .75rem; padding: .7rem .9rem;
  border: none; border-radius: 8px; background: transparent; color: var(--muted);
  font-family: var(--font-b); font-size: .85rem; cursor: pointer; transition: all .25s; text-align: left; width: 100%;
}
.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; }
.nav-item:hover { color: var(--cyan); background: rgba(0,240,255,.06); }
.nav-item.active { color: var(--cyan); background: rgba(0,240,255,.1); border: 1px solid rgba(0,240,255,.2); box-shadow: 0 0 12px rgba(0,240,255,.1); }

.sidebar-foot { padding: 1rem; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: .4rem; }
.ext-link {
  display: flex; align-items: center; gap: .5rem; padding: .5rem .7rem; border-radius: 6px;
  color: var(--muted); text-decoration: none; font-size: .8rem; transition: all .2s;
}
.ext-link svg { width: 16px; height: 16px; }
.ext-link:hover { color: var(--cyan); background: rgba(0,240,255,.06); }
.copy-text { font-size: .7rem; color: var(--muted); text-align: center; margin-top: .3rem; letter-spacing: .05em; }

/* Main */
.main {
  position: relative; z-index: 1; min-height: 100vh;
  padding: 4.5rem 1.25rem 2rem; max-width: 1100px; margin: 0 auto;
  transition: margin .35s;
}

.page { display: none; animation: fadeUp .45s ease both; }
.page.active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; flex-wrap: wrap; gap: .75rem; }
.page-title { font-family: var(--font-d); font-size: 1.25rem; letter-spacing: .08em; }
.accent { color: var(--cyan); margin-right: .3rem; }

.status-pill {
  display: flex; align-items: center; gap: .45rem; font-family: var(--font-m); font-size: .7rem;
  letter-spacing: .1em; padding: .3rem .7rem; border-radius: 999px;
  border: 1px solid rgba(0,255,157,.3); color: var(--green); background: rgba(0,255,157,.06);
}
.status-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 6px var(--green); animation: pulse 1.5s ease-in-out infinite; }
.status-pill.offline { border-color: rgba(255,80,128,.3); color: var(--red); background: rgba(255,80,128,.06); }
.status-pill.offline .dot { background: var(--red); box-shadow: 0 0 6px var(--red); }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.8)} }

/* Profile */
.profile-card {
  display: flex; align-items: center; gap: 1.5rem; padding: 1.5rem;
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  backdrop-filter: blur(12px); margin-bottom: 1.5rem;
  transition: border-color .3s, box-shadow .3s;
}
.profile-card:hover { border-color: rgba(0,240,255,.35); box-shadow: 0 0 30px rgba(0,240,255,.08); }

.profile-avatar-wrap { position: relative; flex-shrink: 0; }
.avatar-ring {
  position: absolute; inset: -4px; border-radius: 50%;
  background: conic-gradient(from 0deg, var(--cyan), var(--magenta), var(--violet), var(--cyan));
  animation: spinSlow 6s linear infinite;
}
.profile-avatar {
  position: relative; width: 88px; height: 88px; border-radius: 50%; object-fit: cover;
  border: 3px solid var(--bg); display: block;
}
.avatar-badge {
  position: absolute; bottom: 2px; right: 2px; width: 18px; height: 18px;
  background: var(--bg); border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--green);
}
.avatar-badge svg { width: 10px; height: 10px; }

.profile-name { font-family: var(--font-d); font-size: 1.15rem; letter-spacing: .06em; margin-bottom: .2rem; }
.profile-tag { color: var(--muted); font-size: .85rem; margin-bottom: .75rem; }
.profile-links { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  display: inline-flex; align-items: center; gap: .35rem; padding: .3rem .65rem;
  border-radius: 999px; font-size: .72rem; text-decoration: none; color: var(--cyan);
  border: 1px solid rgba(0,240,255,.25); background: rgba(0,240,255,.06); transition: all .2s;
}
.chip svg { width: 13px; height: 13px; }
.chip:hover { background: rgba(0,240,255,.15); box-shadow: 0 0 10px rgba(0,240,255,.2); }

/* Stats */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: .85rem; margin-bottom: 1.75rem; }
@media (max-width: 700px) { .stats-row { grid-template-columns: repeat(2, 1fr); } .profile-card { flex-direction: column; text-align: center; } .profile-links { justify-content: center; } }

.stat-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.1rem; text-align: center; transition: all .3s;
}
.stat-card:hover { border-color: rgba(0,240,255,.35); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,240,255,.08); }
.stat-card svg { width: 24px; height: 24px; color: var(--cyan); margin-bottom: .4rem; }
.stat-val { font-family: var(--font-d); font-size: 1.6rem; font-weight: 700; color: var(--cyan); text-shadow: 0 0 12px rgba(0,240,255,.35); }
.stat-lbl { font-size: .7rem; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; margin-top: .15rem; }

.section-label { font-family: var(--font-d); font-size: .95rem; letter-spacing: .08em; margin: 1.5rem 0 .9rem; }

/* Sensors */
.sensor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: .75rem; margin-bottom: 1rem; }
.sensor-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: .9rem 1rem; transition: all .25s;
}
.sensor-card:hover { border-color: rgba(0,240,255,.3); }
.sensor-label { font-size: .65rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: .3rem; display: flex; align-items: center; gap: .4rem; }
.sensor-label svg { width: 14px; height: 14px; color: var(--cyan); }
.sensor-value { font-family: var(--font-m); font-size: .82rem; color: var(--text); word-break: break-all; }
.sensor-value.warn { color: var(--orange); }
.sensor-value.ok { color: var(--green); }

/* Power */
.power-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: .85rem; margin-bottom: 1.5rem; }
@media (max-width: 700px) { .power-row { grid-template-columns: 1fr; } }

.power-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.15rem; transition: all .3s;
}
.power-card:hover { border-color: rgba(0,240,255,.3); }
.power-head { display: flex; align-items: center; gap: .5rem; font-size: .75rem; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; margin-bottom: .5rem; }
.power-head svg { width: 18px; height: 18px; color: var(--cyan); }
.power-val { font-family: var(--font-d); font-size: 1.4rem; font-weight: 600; color: var(--cyan); }
.power-sub { font-size: .75rem; color: var(--muted); margin-top: .15rem; }
.bat-bar { height: 4px; background: rgba(255,255,255,.08); border-radius: 2px; margin-top: .7rem; overflow: hidden; }
.bat-bar-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--cyan), var(--green)); border-radius: 2px; transition: width .6s ease; }

/* Features */
.feature-tabs { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.25rem; }
.ftab {
  font-family: var(--font-m); font-size: .75rem; padding: .45rem .9rem; border-radius: 6px;
  border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer; transition: all .25s; letter-spacing: .05em;
}
.ftab:hover { color: var(--cyan); border-color: var(--cyan); }
.ftab.active { background: rgba(0,240,255,.1); border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 12px rgba(0,240,255,.15); }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: .85rem; }
.feat-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 1.1rem; transition: all .3s; animation: fadeUp .4s ease both;
}
.feat-card:hover { border-color: rgba(0,240,255,.4); transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0,240,255,.08); }
.feat-method {
  font-family: var(--font-m); font-size: .6rem; font-weight: 600; letter-spacing: .08em;
  padding: .15rem .4rem; border-radius: 3px; display: inline-block; margin-bottom: .45rem;
}
.feat-method.get { background: rgba(0,255,157,.12); color: var(--green); }
.feat-method.post { background: rgba(139,92,246,.18); color: var(--violet); }
.feat-method.both { background: rgba(0,240,255,.1); color: var(--cyan); }
.feat-path { font-family: var(--font-m); font-size: .8rem; color: var(--cyan); margin-bottom: .3rem; word-break: break-all; }
.feat-desc { font-size: .8rem; color: var(--muted); }

/* Playground */
.playground { display: grid; grid-template-columns: 1fr 1.3fr; gap: 1rem; }
@media (max-width: 800px) { .playground { grid-template-columns: 1fr; } }

.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.35rem; backdrop-filter: blur(12px); transition: border-color .3s;
}
.panel:hover { border-color: rgba(0,240,255,.28); }

.field-label { display: block; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin: 1rem 0 .4rem; }
.field-label:first-child { margin-top: 0; }

.tab-group { display: flex; flex-wrap: wrap; gap: .35rem; }
.tab {
  font-family: var(--font-m); font-size: .72rem; padding: .4rem .8rem; border-radius: 6px;
  border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer; transition: all .25s;
}
.tab:hover { color: var(--cyan); border-color: var(--cyan); }
.tab.active { background: rgba(0,240,255,.1); border-color: var(--cyan); color: var(--cyan); }

.select, .input, .textarea {
  width: 100%; font-family: var(--font-m); font-size: .82rem; padding: .65rem .85rem;
  background: rgba(0,0,0,.4); border: 1px solid var(--border); border-radius: 8px; color: var(--text);
  outline: none; transition: border-color .25s, box-shadow .25s;
}
.select:focus, .input:focus, .textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,240,255,.1); }
.textarea { min-height: 72px; resize: vertical; }

.btn-primary {
  margin-top: 1.25rem; width: 100%; font-family: var(--font-d); font-size: .8rem; letter-spacing: .14em;
  padding: .85rem; border: none; border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--violet)); color: #05060f; font-weight: 700;
  cursor: pointer; position: relative; overflow: hidden; transition: transform .2s, box-shadow .3s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,240,255,.35); }
.btn-primary.loading .btn-text { opacity: 0; }
.btn-primary.loading .btn-loader { display: block !important; }
.btn-loader {
  position: absolute; top: 50%; left: 50%; width: 18px; height: 18px; margin: -9px 0 0 -9px;
  border: 2px solid transparent; border-top-color: #05060f; border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.response-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .65rem; font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.response-meta { display: flex; align-items: center; gap: .65rem; }
.code-badge { font-family: var(--font-m); font-size: .7rem; padding: .15rem .45rem; border-radius: 4px; background: rgba(0,255,157,.1); color: var(--green); border: 1px solid rgba(0,255,157,.25); }
.code-badge.error { background: rgba(255,80,128,.1); color: var(--red); border-color: rgba(255,80,128,.25); }
.latency { font-family: var(--font-m); font-size: .7rem; color: var(--muted); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--muted); border-radius: 4px; padding: .2rem .45rem; cursor: pointer; display: flex; align-items: center; transition: all .2s; }
.btn-ghost:hover { color: var(--cyan); border-color: var(--cyan); }
.response-box {
  font-family: var(--font-m); font-size: .78rem; background: rgba(0,0,0,.5); border: 1px solid var(--border);
  border-radius: 8px; padding: .9rem; max-height: 400px; overflow: auto; white-space: pre-wrap; word-break: break-word; color: #a5f3fc; line-height: 1.5;
}

/* Support */
.support-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 1.75rem; max-width: 480px; margin: 0 auto; text-align: center;
}
.support-head { display: flex; align-items: center; gap: .85rem; text-align: left; margin-bottom: 1.25rem; }
.support-head svg { color: var(--cyan); flex-shrink: 0; }
.support-head h2 { font-family: var(--font-d); font-size: 1rem; letter-spacing: .06em; }
.support-head p { font-size: .8rem; color: var(--muted); }
.qris-wrap {
  background: #fff; border-radius: 12px; padding: .75rem; display: inline-block;
  box-shadow: 0 0 30px rgba(0,240,255,.12); margin-bottom: 1rem;
}
.qris-img { width: 100%; max-width: 280px; height: auto; display: block; border-radius: 6px; }
.qris-name { font-family: var(--font-d); font-size: 1rem; letter-spacing: .08em; margin-bottom: .2rem; }
.qris-id { font-family: var(--font-m); font-size: .75rem; color: var(--muted); margin-bottom: 1.25rem; }
.support-links { display: flex; flex-direction: column; gap: .5rem; }
.btn-outline {
  display: flex; align-items: center; justify-content: center; gap: .5rem; padding: .7rem;
  border: 1px solid var(--border); border-radius: 8px; color: var(--cyan); text-decoration: none;
  font-size: .85rem; transition: all .25s;
}
.btn-outline svg { width: 16px; height: 16px; }
.btn-outline:hover { border-color: var(--cyan); background: rgba(0,240,255,.08); box-shadow: 0 0 14px rgba(0,240,255,.15); }

/* Footer */
.footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: .4rem;
  padding: 2rem 0 1rem; border-top: 1px solid var(--border); margin-top: 2.5rem;
  font-size: .72rem; color: var(--muted); letter-spacing: .04em;
}

/* Reveal */
.reveal { animation: fadeUp .55s ease both; }