:root {
  --bg: #07110f;
  --panel: rgba(14, 29, 25, 0.88);
  --panel-strong: #10231e;
  --line: rgba(156, 202, 185, 0.14);
  --line-strong: rgba(156, 202, 185, 0.28);
  --text: #eff8f4;
  --muted: #8fa9a0;
  --accent: #5ef0b7;
  --accent-dark: #123c30;
  --cyan: #55d9ed;
  --danger: #ff756b;
  --warning: #ffcd70;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: radial-gradient(circle at 10% 0%, #15372d 0, transparent 33%), radial-gradient(circle at 92% 12%, #102b31 0, transparent 30%), var(--bg); }
button, input, select { font: inherit; }
button { color: inherit; }
.noise { position: fixed; inset: 0; pointer-events: none; opacity: .18; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.13'/%3E%3C/svg%3E"); z-index: -1; }

.topbar { height: 76px; padding: 0 max(24px, calc((100vw - 1400px) / 2)); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: rgba(6, 16, 14, .72); backdrop-filter: blur(18px); position: sticky; top: 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; }
.brand-mark { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; color: #07110f; background: linear-gradient(135deg, var(--accent), var(--cyan)); font-weight: 900; letter-spacing: -.08em; box-shadow: 0 0 30px rgba(94, 240, 183, .2); }
.brand-mark.large { width: 54px; height: 54px; border-radius: 16px; margin-bottom: 22px; font-size: 20px; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 17px; letter-spacing: -.02em; }
.brand small { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .15em; margin-top: 1px; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.connection { color: var(--muted); border: 1px solid var(--line); padding: 8px 12px; border-radius: 999px; font-size: 12px; }
.connection i { width: 7px; height: 7px; display: inline-block; border-radius: 50%; background: var(--danger); margin-right: 7px; }
.connection.online i { background: var(--accent); box-shadow: 0 0 9px var(--accent); }
.icon-button, .ghost { border: 1px solid var(--line-strong); background: rgba(255,255,255,.025); border-radius: 10px; cursor: pointer; }
.icon-button { width: 37px; height: 37px; font-size: 21px; }
.ghost { padding: 9px 14px; }
.icon-button:hover, .ghost:hover { border-color: var(--accent); }

.shell { width: min(1400px, calc(100% - 48px)); margin: 0 auto; padding: 54px 0 90px; }
.hero { display: flex; justify-content: space-between; gap: 40px; align-items: flex-end; margin-bottom: 34px; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .19em; font-size: 11px; font-weight: 800; margin: 0 0 10px; }
h1 { font-size: clamp(38px, 5vw, 68px); line-height: .98; letter-spacing: -.055em; margin: 0; max-width: 700px; }
h2 { margin: 0; font-size: 23px; letter-spacing: -.035em; }
.hero-copy { color: var(--muted); max-width: 690px; font-size: 16px; line-height: 1.65; margin: 20px 0 0; }
.hero-time { min-width: 210px; text-align: right; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.hero-time strong { display: block; color: var(--text); font-size: 14px; margin-top: 8px; text-transform: none; letter-spacing: 0; }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.metrics article { border: 1px solid var(--line); background: linear-gradient(150deg, rgba(20, 45, 38, .9), rgba(10, 24, 20, .82)); border-radius: 16px; padding: 20px 22px; box-shadow: var(--shadow); }
.metrics span, .metrics small { display: block; color: var(--muted); }
.metrics span { font-size: 12px; text-transform: uppercase; letter-spacing: .11em; }
.metrics strong { display: block; font-size: 34px; line-height: 1; margin: 12px 0 8px; letter-spacing: -.05em; }
.metrics small { font-size: 12px; }

.workspace { margin-bottom: 20px; }
.two-column { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 20px; }
.panel { background: linear-gradient(160deg, rgba(18, 40, 34, .92), rgba(9, 23, 19, .9)); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.upload-panel, .deploy-panel, .section-panel { padding: 24px; }
.section-panel { margin-bottom: 20px; }
.panel-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 22px; }
.secure-badge, .count-badge { color: var(--accent); background: rgba(94, 240, 183, .08); border: 1px solid rgba(94, 240, 183, .2); padding: 6px 9px; border-radius: 7px; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

.drop-zone { min-height: 188px; border: 1px dashed rgba(94, 240, 183, .35); border-radius: 14px; background: rgba(94, 240, 183, .035); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; cursor: pointer; padding: 24px; transition: .2s ease; }
.drop-zone:hover, .drop-zone.dragging { border-color: var(--accent); background: rgba(94, 240, 183, .08); transform: translateY(-1px); }
.drop-zone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.upload-icon { font-size: 34px; color: var(--accent); margin-bottom: 9px; }
.drop-zone strong { font-size: 15px; }
.compact-drop { min-height: 128px; margin-top: 17px; }
.drop-zone small { color: var(--muted); margin-top: 7px; }
.field { display: block; margin-top: 17px; }
.field > span, .field-label > span { color: #cfe0da; display: block; font-size: 12px; font-weight: 700; margin-bottom: 8px; }
.field input, .field select, select { width: 100%; color: var(--text); background: #091814; border: 1px solid var(--line-strong); border-radius: 10px; padding: 11px 12px; outline: none; }
.field input:focus, .field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(94, 240, 183, .08); }
.field small { display: block; color: var(--muted); font-size: 11px; margin-top: 7px; }
.field-label { display: flex; align-items: center; justify-content: space-between; margin-top: 17px; }
.text-button { color: var(--accent); border: 0; background: none; cursor: pointer; padding: 0; font-size: 12px; }
.primary { border: 0; border-radius: 11px; background: linear-gradient(135deg, var(--accent), #3bcf9a); color: #06130e; font-weight: 850; padding: 12px 18px; cursor: pointer; box-shadow: 0 8px 26px rgba(94, 240, 183, .13); }
.primary:hover { filter: brightness(1.06); transform: translateY(-1px); }
.primary:disabled { opacity: .35; cursor: not-allowed; transform: none; }
.full { width: 100%; margin-top: 17px; }
.danger-action { background: linear-gradient(135deg, #73f4c2, #4dd8d1); }

.device-picker { max-height: 218px; overflow: auto; border: 1px solid var(--line); border-radius: 11px; background: rgba(0,0,0,.1); }
.picker-row { display: grid; grid-template-columns: 22px 1fr auto; gap: 10px; align-items: center; padding: 11px 13px; border-bottom: 1px solid var(--line); cursor: pointer; }
.picker-row:last-child { border-bottom: 0; }
.picker-row:hover { background: rgba(255,255,255,.025); }
.picker-row input { accent-color: var(--accent); }
.picker-row strong, .picker-row small { display: block; }
.picker-row small { color: var(--muted); margin-top: 3px; }
.warning { display: grid; grid-template-columns: auto 1fr; gap: 9px 13px; border-left: 2px solid var(--warning); background: rgba(255, 205, 112, .055); padding: 12px 14px; margin-top: 17px; border-radius: 0 9px 9px 0; font-size: 11px; }
.warning strong { color: var(--warning); white-space: nowrap; }
.warning span { color: var(--muted); line-height: 1.45; }
.progress { position: relative; height: 30px; border-radius: 8px; overflow: hidden; background: #091713; border: 1px solid var(--line); margin-top: 16px; }
.progress i { position: absolute; inset: 0 auto 0 0; width: 0; background: rgba(94, 240, 183, .28); transition: width .15s; }
.progress span { position: relative; z-index: 1; display: grid; place-items: center; height: 100%; font-size: 11px; }

.device-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 13px; }
.device-card { border: 1px solid var(--line); border-radius: 14px; padding: 17px; background: rgba(3, 13, 11, .28); }
.device-card-head { display: flex; justify-content: space-between; gap: 15px; }
.device-card h3 { margin: 0; font-size: 16px; }
.device-card .id { color: var(--muted); font-family: ui-monospace, monospace; font-size: 9px; margin-top: 6px; }
.device-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.device-stats div { background: rgba(255,255,255,.025); border-radius: 8px; padding: 10px; }
.device-stats span, .device-stats strong { display: block; }
.device-stats span { color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .09em; }
.device-stats strong { font-size: 12px; margin-top: 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.status { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 5px 8px; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
.status.ready, .status.succeeded { color: var(--accent); background: rgba(94,240,183,.1); }
.status.queued, .status.delivered, .status.accepted, .status.running { color: var(--cyan); background: rgba(85,217,237,.1); }
.status.failed { color: var(--danger); background: rgba(255,117,107,.1); }
.status.rolled_back { color: var(--warning); background: rgba(255,205,112,.1); }
.status.offline, .status.disabled, .status.unknown { color: var(--muted); background: rgba(143,169,160,.1); }
.dot { width: 7px; height: 7px; display: inline-block; border-radius: 50%; margin-right: 6px; }
.online-dot { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.offline-dot { background: #546760; }
.legend { display: flex; gap: 15px; color: var(--muted); font-size: 11px; padding-top: 8px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th { color: var(--muted); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; text-align: left; font-weight: 750; padding: 0 11px 10px; }
td { padding: 13px 11px; border-top: 1px solid var(--line); vertical-align: middle; }
td strong, td small { display: block; }
td small { color: var(--muted); margin-top: 4px; }
.table-button { border: 1px solid var(--line-strong); background: transparent; border-radius: 7px; padding: 6px 9px; cursor: pointer; color: var(--muted); font-size: 10px; }
.table-button:hover { color: var(--danger); border-color: var(--danger); }
details summary { color: var(--accent); cursor: pointer; font-size: 10px; }
details pre { max-width: 420px; max-height: 220px; overflow: auto; color: #bdd1c9; background: #07110f; border-radius: 7px; padding: 9px; white-space: pre-wrap; font-size: 9px; }
.auto-refresh { color: var(--muted); font-size: 10px; padding-top: 8px; }
.empty-state { color: var(--muted); text-align: center; padding: 28px; }

.overlay { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; background: rgba(3, 9, 8, .82); backdrop-filter: blur(16px); }
.auth-card, .confirm-card { width: min(440px, 100%); background: linear-gradient(150deg, #142f27, #0a1c17); border: 1px solid var(--line-strong); border-radius: 20px; padding: 32px; box-shadow: var(--shadow); }
.auth-card > p:not(.eyebrow), .confirm-card > p:not(.eyebrow) { color: var(--muted); line-height: 1.6; font-size: 13px; }
.form-error { color: var(--danger) !important; margin-bottom: 0; }
.confirm-actions { display: grid; grid-template-columns: 1fr 1.4fr; gap: 10px; margin-top: 24px; }
.confirm-actions .primary { margin: 0; }
.toast { position: fixed; right: 24px; bottom: 24px; z-index: 120; max-width: 420px; color: #07110f; background: var(--accent); border-radius: 11px; padding: 13px 16px; box-shadow: var(--shadow); font-size: 12px; font-weight: 750; }
.toast.error { background: var(--danger); }
.hidden { display: none !important; }

@media (max-width: 900px) {
  .metrics { grid-template-columns: 1fr 1fr; }
  .two-column { grid-template-columns: 1fr; }
  .hero { align-items: flex-start; flex-direction: column; }
  .hero-time { text-align: left; }
}
@media (max-width: 600px) {
  .shell { width: min(100% - 24px, 1400px); padding-top: 34px; }
  .topbar { height: 66px; padding: 0 12px; }
  .connection { display: none; }
  .metrics { grid-template-columns: 1fr 1fr; gap: 9px; }
  .metrics article { padding: 16px; }
  .metrics strong { font-size: 28px; }
  .upload-panel, .deploy-panel, .section-panel { padding: 17px; }
  h1 { font-size: 40px; }
  .legend { display: none; }
}