:root {
  --ink: #0d263e;
  --ink-deep: #071a2d;
  --navy: #123653;
  --blue: #2878b6;
  --cyan: #55c8d5;
  --mint: #7de3cc;
  --green: #38b878;
  --orange: #f39b4b;
  --red: #d94b55;
  --paper: #edf3f7;
  --card: rgba(255, 255, 255, .96);
  --line: #d9e4eb;
  --muted: #6b8294;
  --shadow: 0 22px 60px rgba(13, 38, 62, .10);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 4%, rgba(85, 200, 213, .20), transparent 28rem),
    radial-gradient(circle at 8% 42%, rgba(40, 120, 182, .08), transparent 25rem),
    var(--paper);
  color: #183148;
  font-family: "Segoe UI", "Aptos", Arial, sans-serif;
}

button, input { font: inherit; }

button {
  border: 0;
  border-radius: 11px;
  background: var(--ink);
  color: white;
  cursor: pointer;
  font-size: .88rem;
  font-weight: 800;
  padding: 11px 15px;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}

button:hover { background: #1b4d70; box-shadow: 0 8px 18px rgba(13, 38, 62, .14); transform: translateY(-1px); }
button:active { transform: translateY(0); }
button.ghost { background: #e9f0f4; color: var(--ink); }
button.ghost:hover { background: #dce8ee; }

.top {
  align-items: center;
  background: linear-gradient(112deg, var(--ink-deep), var(--ink) 58%, #164363);
  color: #f8fbfd;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  min-height: 132px;
  overflow: hidden;
  padding: 22px clamp(20px, 4vw, 54px);
  position: relative;
}

.top::after {
  background: linear-gradient(120deg, transparent, rgba(125, 227, 204, .16));
  content: "";
  height: 260px;
  position: absolute;
  right: -45px;
  top: -120px;
  transform: rotate(22deg);
  width: 300px;
}

.brand-lockup, .top-actions { align-items: center; display: flex; position: relative; z-index: 1; }
.brand-lockup { gap: 22px; }
.top-actions { gap: 12px; }
.top h1, .top p { margin: 0; }
.top h1 { font-size: clamp(1.8rem, 3vw, 3.1rem); letter-spacing: -.055em; line-height: .98; }
.top h1 span { color: var(--mint); font-weight: 400; }
.top-subtitle { color: #b4c9d8; margin-top: 11px !important; }
.top-logo {
  align-items: center;
  background: rgba(255,255,255,.95);
  border-radius: 15px;
  display: flex;
  height: 76px;
  justify-content: center;
  overflow: hidden;
  width: 208px;
}
.top-logo img { display: block; max-height: 72px; max-width: 198px; object-fit: contain; }
.top-actions #userBadge { color: #d7e8ef; font-size: .86rem; font-weight: 750; }
.top-actions .ghost { background: rgba(255,255,255,.12); color: white; }
.top-actions .ghost:hover { background: rgba(255,255,255,.22); }
.connection-dot { background: var(--mint); border-radius: 50%; box-shadow: 0 0 0 5px rgba(125,227,204,.13); height: 8px; width: 8px; }
.eyebrow, .section-kicker { font-size: .72rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow { color: var(--mint); margin: 0 0 9px; }
.section-kicker { color: var(--blue); margin: 0 0 5px; }
.muted { color: var(--muted); }

.layout { display: grid; gap: 20px; grid-template-columns: 300px minmax(0, 1fr); margin: 0 auto; max-width: 1680px; padding: 22px; }
.sidebar, .hero-card, .preview-card, .reports-card, .metric {
  background: var(--card);
  border: 1px solid rgba(217,228,235,.9);
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.sidebar { height: calc(100vh - 176px); min-height: 490px; overflow: auto; padding: 20px; position: sticky; top: 20px; }
.panel-title { align-items: center; display: flex; gap: 12px; justify-content: space-between; }
.panel-title h2 { color: var(--ink); font-size: 1.15rem; letter-spacing: -.02em; margin: 0; }
.icon-button { align-items: center; border-radius: 10px; display: inline-flex; font-size: 1.25rem; height: 38px; justify-content: center; padding: 0; width: 38px; }
.sidebar-help { color: var(--muted); font-size: .85rem; line-height: 1.5; margin: 17px 0 0; }
.device-list { display: grid; gap: 10px; margin-top: 18px; }
.device {
  background: #f8fbfd;
  border: 1px solid #e0eaf0;
  border-radius: 15px;
  cursor: pointer;
  padding: 14px;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.device:hover { border-color: #a9cadb; transform: translateX(2px); }
.device.active { background: #eef8f8; border-color: var(--cyan); box-shadow: inset 4px 0 0 var(--cyan), 0 8px 18px rgba(40,120,182,.08); }
.device strong { color: var(--ink); display: block; font-size: .98rem; }
.device span { color: var(--muted); display: block; font-size: .78rem; line-height: 1.45; }
.device span:last-child { color: var(--blue); font-weight: 750; margin-top: 4px; }
.device span:last-child.offline { color: var(--orange); }
.hidden { display: none !important; }
.device-toolbar { display: flex; gap: 8px; margin-top: 18px; }
.device-toolbar button { flex: 1; padding-left: 8px; padding-right: 8px; }
.device-form { background: #f4f9fb; border: 1px solid #d9e8ee; border-radius: 17px; display: grid; gap: 10px; margin-top: 16px; padding: 15px; }
.device-form h3 { color: var(--ink); font-size: 1rem; margin: 0 0 3px; }
.device-form label, .login-form label { color: var(--ink); display: grid; font-size: .83rem; font-weight: 800; gap: 6px; }
.device-form input, .login-form input { background: white; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); outline: none; padding: 10px 11px; }
.device-form input:focus, .login-form input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(85,200,213,.14); }
.form-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.danger-btn { background: var(--red); }
.danger-btn:hover { background: #b93642; }

.content { display: grid; gap: 18px; min-width: 0; }
.hero-card { align-items: center; display: flex; gap: 20px; justify-content: space-between; min-height: 130px; padding: 25px 28px; }
.hero-card h2 { color: var(--ink); font-size: clamp(1.45rem, 2.5vw, 2.15rem); letter-spacing: -.045em; margin: 0; }
.hero-card .muted { font-size: .9rem; margin: 8px 0 0; }
.action-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }
.secondary-action { background: #e9f6f5; color: #17606a; }
.secondary-action:hover { background: #d7eeec; }
.button-icon { font-size: 1.1rem; margin-right: 4px; }

.metrics-grid { display: grid; gap: 12px; grid-template-columns: repeat(5, minmax(120px, 1fr)); }
.metric { min-height: 136px; padding: 17px; }
.metric > span { align-items: center; color: var(--muted); display: flex; font-size: .74rem; font-weight: 850; gap: 7px; letter-spacing: .06em; text-transform: uppercase; }
.metric strong { color: var(--green); display: block; font-size: 2.15rem; letter-spacing: -.06em; margin-top: 12px; }
.metric small { color: #9aabb6; display: block; font-size: .72rem; margin-top: 5px; }
.metric.danger strong { color: var(--orange); }
.metric:last-child strong { color: var(--red); }
.metric-icon { align-items: center; border-radius: 7px; display: inline-flex; font-style: normal; font-size: .9rem; height: 23px; justify-content: center; width: 23px; }
.metric-icon.blue { background: #e2eff9; color: var(--blue); }
.metric-icon.cyan { background: #e0f6f5; color: #198b98; }
.metric-icon.green { background: #e1f5eb; color: var(--green); }
.metric-icon.orange { background: #fff0df; color: var(--orange); }
.metric-icon.red { background: #fbe6e8; color: var(--red); }

.preview-grid { display: grid; gap: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.preview-card { min-width: 0; padding: 18px; }
.preview-card .section-kicker { margin-bottom: 2px; }
.preview-card img { background: #091827; border: 5px solid #0e2a42; border-radius: 16px; display: block; height: min(42vh, 410px); margin-top: 14px; object-fit: contain; width: 100%; }
.live-pill { align-items: center; background: #e6f7ef; border-radius: 999px; color: #238c5c; display: inline-flex; font-size: .72rem; font-weight: 800; gap: 7px; padding: 7px 10px; }
.live-pill > span:first-child { background: var(--green); border-radius: 50%; height: 6px; width: 6px; }
.timestamp { color: var(--muted); font-size: .75rem; }

.reports-card { padding: 20px; }
.reports-list { display: grid; gap: 10px; margin-top: 16px; }
.report-item { align-items: center; background: #f8fbfd; border: 1px solid #e0eaf0; border-radius: 14px; display: flex; gap: 14px; justify-content: space-between; padding: 13px 15px; }
.report-item strong { color: var(--ink); font-size: .9rem; overflow-wrap: anywhere; }
.report-item .muted { font-size: .76rem; margin-top: 4px; }
.report-item a { flex: 0 0 auto; }
.toast { background: var(--ink-deep); border: 1px solid rgba(125,227,204,.35); border-radius: 14px; bottom: 22px; box-shadow: 0 16px 35px rgba(7,26,45,.25); color: white; display: none; max-width: 520px; padding: 14px 17px; position: fixed; right: 22px; z-index: 10; }

.login-body { background: linear-gradient(135deg, #071a2d 0%, #123653 58%, #1b506b 100%); min-height: 100vh; overflow: hidden; }
.login-shell { display: grid; min-height: 100vh; place-items: center; padding: 24px; position: relative; }
.login-card { animation: rise .6s ease both; background: rgba(255,255,255,.97); border: 1px solid rgba(255,255,255,.55); border-radius: 28px; box-shadow: 0 30px 90px rgba(0,0,0,.28); max-width: 480px; padding: 36px; position: relative; width: 100%; z-index: 1; }
.brand-logo { align-items: center; background: var(--ink); border-radius: 16px; display: flex; height: 82px; justify-content: center; margin-bottom: 28px; overflow: hidden; width: 226px; }
.brand-logo img { display: block; max-height: 78px; max-width: 218px; object-fit: contain; }
.login-card h1 { color: var(--ink); font-size: clamp(2rem, 6vw, 3rem); letter-spacing: -.07em; line-height: .98; margin: 0; }
.login-card h1 span { color: var(--blue); }
.login-card > .muted { line-height: 1.55; margin: 17px 0 0; }
.login-form { display: grid; gap: 14px; margin-top: 25px; }
.login-form button { font-size: .95rem; margin-top: 5px; padding: 13px 16px; text-align: left; }
.login-form button span { float: right; font-size: 1.2rem; }
.message { color: var(--red); min-height: 1.4em; }
.small { color: var(--muted); font-size: .78rem; }
.login-orbit { border: 1px solid rgba(125,227,204,.2); border-radius: 50%; height: 420px; position: absolute; width: 420px; }
.orbit-one { right: -130px; top: -100px; }
.orbit-two { bottom: -230px; height: 530px; left: -180px; width: 530px; }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 1120px) {
  .metrics-grid { grid-template-columns: repeat(3, minmax(130px, 1fr)); }
}
@media (max-width: 980px) {
  .layout, .preview-grid { grid-template-columns: 1fr; }
  .sidebar { height: auto; min-height: 0; position: static; }
  .hero-card, .top { align-items: flex-start; flex-direction: column; }
  .action-row { justify-content: flex-start; }
}
@media (max-width: 620px) {
  .top { padding: 18px; }
  .brand-lockup { align-items: flex-start; flex-direction: column; gap: 14px; }
  .top-logo { height: 60px; width: 174px; }
  .top-logo img { max-height: 56px; max-width: 165px; }
  .top-actions { align-self: stretch; justify-content: space-between; }
  .layout { padding: 12px; }
  .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-card { padding: 20px; }
  .preview-card img { height: 280px; }
  .report-item { align-items: flex-start; flex-direction: column; }
  .report-item a, .report-item a button { width: 100%; }
  .login-card { padding: 26px 22px; }
}