:root {
  color-scheme: dark;
  --bg-base: #050816;
  --bg-deep: #090e1f;
  --panel: rgba(11, 18, 40, 0.72);
  --panel-strong: rgba(8, 13, 30, 0.84);
  --panel-border: rgba(100, 205, 255, 0.16);
  --text-main: #f4f7ff;
  --text-soft: #a8b5d9;
  --text-muted: #6e7ea8;
  --magenta: #ff3fb4;
  --cyan: #3ee7ff;
  --cyan-deep: #00b9d6;
  --danger: #ff6477;
  --success: #53ffa6;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.44);
  --glow-magenta: 0 0 0.9rem rgba(255, 63, 180, 0.28);
  --glow-cyan: 0 0 1rem rgba(62, 231, 255, 0.26);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(255, 63, 180, 0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(62, 231, 255, 0.18), transparent 34%),
    radial-gradient(circle at bottom center, rgba(0, 185, 214, 0.12), transparent 30%),
    linear-gradient(180deg, var(--bg-base), var(--bg-deep));
  color: var(--text-main);
  position: relative;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: 0;
  filter: blur(24px);
}

body::before {
  top: 7%;
  left: -4rem;
  width: 11rem;
  height: 11rem;
  border-radius: 999px;
  background: rgba(255, 63, 180, 0.18);
}

body::after {
  right: -3rem;
  bottom: 8%;
  width: 10rem;
  height: 10rem;
  border-radius: 999px;
  background: rgba(62, 231, 255, 0.14);
}

body,
button,
input {
  font: inherit;
}

.app-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 34rem;
  margin: 0 auto;
  padding:
    calc(1rem + env(safe-area-inset-top))
    calc(1rem + env(safe-area-inset-right))
    calc(2.75rem + env(safe-area-inset-bottom))
    calc(1rem + env(safe-area-inset-left));
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.05);
  box-shadow:
    var(--glow-magenta),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.hero-logo {
  display: block;
  width: auto;
  height: clamp(3rem, 12vw, 3.75rem);
  border-radius: 0.7rem;
}

.hero-dashboard {
  padding: 1rem;
}

.hero-top-row {
  display: grid;
  gap: 0.8rem;
}

.hero-copy {
  min-width: 0;
}

.title-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0.35rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-soft);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: var(--glow-cyan);
}

.hero-headline {
  display: none;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
}

.hero-dashboard h1 {
  margin: 0;
  font-size: clamp(1.55rem, 5.8vw, 2.4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-brief-note {
  margin: 0.85rem 0 0;
  color: var(--text-soft);
  font-size: 0.9rem;
  line-height: 1.4;
}

.status-badge {
  justify-self: start;
  display: inline-grid;
  gap: 0.15rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid rgba(255, 63, 180, 0.24);
  border-radius: 1rem;
  background:
    linear-gradient(135deg, rgba(255, 63, 180, 0.12), rgba(62, 231, 255, 0.08)),
    rgba(255, 255, 255, 0.04);
  box-shadow: var(--glow-magenta);
}

.status-badge-large {
  align-self: start;
}

.status-badge-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

#session-status {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--success);
  letter-spacing: 0.05em;
}

#session-status[data-state="ready"] {
  color: #ffe478;
}

#session-status[data-state="active"] {
  color: var(--success);
}

#session-status[data-state="flushing"] {
  color: var(--cyan);
}

#session-status[data-state="stopped"] {
  color: #ffbf9b;
}

#session-status[data-state="flush-failed"] {
  color: var(--danger);
}

#session-status[data-state="gps-error"],
#session-status[data-state="unavailable"] {
  color: var(--danger);
}

.description {
  margin: 0.45rem 0 0;
  max-width: 30rem;
  color: var(--text-soft);
  line-height: 1.35;
  font-size: 0.92rem;
}

.panel {
  margin-top: 1rem;
  padding: 0.95rem;
  border: 1px solid var(--panel-border);
  border-radius: 1.4rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
    var(--panel);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.panel-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.62rem;
  border-radius: 999px;
  background: rgba(255, 63, 180, 0.12);
  border: 1px solid rgba(255, 63, 180, 0.18);
  color: #ffd8f0;
  font-size: 0.68rem;
  font-weight: 700;
  white-space: nowrap;
}

.panel-chip-cyan {
  background: rgba(62, 231, 255, 0.12);
  border-color: rgba(62, 231, 255, 0.2);
  color: #d5fbff;
}

.panel-chip-magenta {
  box-shadow: var(--glow-magenta);
}

.collector-layout {
  display: grid;
  gap: 0.9rem;
  margin-top: 0.85rem;
}

.settings-panel,
.hero-side {
  min-width: 0;
  padding: 0.9rem;
  border-radius: 1.2rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015)),
    rgba(5, 10, 25, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-side {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.settings-header,
.panel-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 0.85rem;
}

.settings-header h2,
.panel-title-row h2 {
  margin: 0;
  font-size: 1.05rem;
}

.panel-kicker {
  margin: 0 0 0.3rem;
  color: var(--magenta);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.settings-grid,
.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.field {
  display: grid;
  gap: 0.42rem;
}

.field-span-2 {
  grid-column: 1 / -1;
}

.field span,
dt,
.summary-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.field input {
  width: 100%;
  min-height: 3.2rem;
  padding: 0.9rem 0.95rem;
  border: 1px solid rgba(62, 231, 255, 0.13);
  border-radius: 1rem;
  background: rgba(5, 10, 25, 0.72);
  color: var(--text-main);
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  font-size: 1rem;
}

.field input::placeholder {
  color: rgba(168, 181, 217, 0.52);
}

.field input:focus {
  border-color: rgba(62, 231, 255, 0.45);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.03),
    0 0 0 0.15rem rgba(62, 231, 255, 0.12);
}

.field-hint {
  color: var(--text-muted);
  line-height: 1.3;
  font-size: 0.82rem;
}

.notice-copy {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.55;
}

.instruction-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--text-soft);
  line-height: 1.55;
}

.instruction-list li + li {
  margin-top: 0.4rem;
}

.actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.hero-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.hero-actions button {
  width: 100%;
  min-width: 12.5rem;
  padding-inline: 1.35rem;
  white-space: nowrap;
}

button {
  border: 0;
  border-radius: 999px;
  min-width: 0;
  min-height: 3.6rem;
  padding: 0.95rem 1rem;
  font-weight: 700;
  color: white;
  background:
    linear-gradient(135deg, rgba(255, 63, 180, 0.92), rgba(255, 63, 180, 0.72));
  box-shadow: var(--glow-magenta);
  transition:
    transform 140ms ease,
    box-shadow 140ms ease,
    opacity 140ms ease;
  font-size: 1rem;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow:
    var(--glow-magenta),
    0 0.75rem 1.4rem rgba(255, 63, 180, 0.2);
}

button:disabled {
  opacity: 0.5;
}

#start-button {
  background: linear-gradient(135deg, #ff3fb4, #ff7a4f);
}

#stop-button:not(:disabled) {
  background: linear-gradient(135deg, rgba(62, 231, 255, 0.95), rgba(0, 185, 214, 0.74));
  box-shadow: var(--glow-cyan);
}

.summary-grid {
  display: none;
}

.hero-side-copy {
  margin: 0;
  padding: 0.7rem 0.85rem;
  border-radius: 0.95rem;
  background: rgba(62, 231, 255, 0.08);
  border: 1px solid rgba(62, 231, 255, 0.12);
  color: var(--text-soft);
  line-height: 1.35;
  font-size: 0.9rem;
}

.run-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.run-summary-card {
  display: grid;
  gap: 0.28rem;
  min-height: 4.4rem;
  padding: 0.75rem 0.8rem;
  border-radius: 1rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015)),
    rgba(3, 10, 26, 0.78);
  border: 1px solid rgba(255, 63, 180, 0.12);
}

.run-summary-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.run-summary-card strong {
  font-size: 1rem;
  color: var(--text-main);
  word-break: break-word;
}

.live-title-row {
  margin-top: 1rem;
  padding-top: 0.95rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  align-items: end;
}

.dashboard-grid-primary {
  margin-top: 0.1rem;
}

.dashboard-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dashboard-card-wide {
  grid-column: 1 / -1;
}

.dashboard-card,
.tech-card {
  position: relative;
  display: grid;
  gap: 0.42rem;
  min-height: 6.1rem;
  padding: 0.9rem;
  border-radius: 1.15rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015)),
    rgba(3, 10, 26, 0.82);
  border: 1px solid rgba(62, 231, 255, 0.12);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 0 1.2rem rgba(62, 231, 255, 0.06);
}

.dashboard-card::before,
.tech-card::before {
  content: "";
  position: absolute;
  top: 0.95rem;
  right: 1rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 0.7rem rgba(62, 231, 255, 0.45);
}

.dashboard-card-status::before {
  background: var(--success);
  box-shadow: 0 0 0.7rem rgba(83, 255, 166, 0.45);
}

.dashboard-card-log::before {
  background: var(--magenta);
  box-shadow: 0 0 0.7rem rgba(255, 63, 180, 0.45);
}

.dashboard-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.dashboard-card strong,
.tech-card strong {
  margin: 0;
  align-self: end;
  font-size: clamp(1.15rem, 4.7vw, 1.5rem);
  line-height: 1.2;
  color: var(--text-main);
  word-break: break-word;
  transition: color 160ms ease, text-shadow 160ms ease, transform 160ms ease;
}

.dashboard-card strong:not(:empty),
.tech-card strong:not(:empty) {
  text-shadow: 0 0 0.8rem rgba(62, 231, 255, 0.14);
}

.tech-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tech-card {
  min-height: 5rem;
}

.compact-details {
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 1rem;
  background: rgba(3, 10, 26, 0.5);
  overflow: hidden;
}

.compact-details summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

.compact-details summary::-webkit-details-marker {
  display: none;
}

.compact-details summary::after {
  content: "+";
  float: right;
  color: var(--cyan);
}

.compact-details[open] summary::after {
  content: "-";
}

.compact-details-body {
  padding: 0 1rem 1rem;
}

.event-log {
  margin: 0;
  min-height: 7rem;
  max-height: 16rem;
  overflow: auto;
  padding: 1rem;
  border-radius: 1rem;
  background: rgba(4, 8, 20, 0.88);
  border: 1px solid rgba(62, 231, 255, 0.12);
  white-space: pre-wrap;
  word-break: break-word;
  color: #dbe6ff;
  line-height: 1.45;
}

@media (min-width: 560px) {
  .hero-top-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .collector-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
    align-items: start;
  }

  .settings-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .app-shell {
    padding-top: calc(0.85rem + env(safe-area-inset-top));
    padding-right: calc(0.85rem + env(safe-area-inset-right));
    padding-bottom: calc(2.5rem + env(safe-area-inset-bottom));
    padding-left: calc(0.85rem + env(safe-area-inset-left));
  }

  .panel {
    border-radius: 1.2rem;
  }

  .hero-brand {
    align-items: center;
    gap: 0.7rem;
  }

  .status-badge-large {
    width: 100%;
  }

  .settings-header .panel-chip,
  .panel-title-row .panel-chip {
    display: none;
  }

  .dashboard-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
  }

  .dashboard-card-wide {
    grid-column: 1 / -1;
  }

  .dashboard-card {
    min-height: 5.2rem;
    padding: 0.75rem 0.8rem;
  }

  .dashboard-card strong {
    font-size: clamp(1rem, 4.2vw, 1.25rem);
  }

  .hero-dashboard {
    padding: 0.85rem;
  }

  .hero-dashboard h1 {
    font-size: clamp(1.45rem, 5.4vw, 1.9rem);
  }

  .hero-brief-note {
    margin-top: 0.65rem;
    font-size: 0.85rem;
  }

  .settings-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .field-span-2 {
    grid-column: 1 / -1;
  }

  .actions {
    grid-template-columns: 1fr;
  }

  body[data-measurement-state="running"] .hero-brief-note,
  body[data-measurement-state="running"] .description,
  body[data-measurement-state="running"] .hero-side-copy,
  body[data-measurement-state="running"] .settings-panel {
    display: none;
  }

  body[data-measurement-state="running"] .collector-layout {
    margin-top: 0.65rem;
  }

  body[data-measurement-state="running"] .live-title-row {
    margin-top: 0.75rem;
    padding-top: 0.8rem;
  }
}

@media (max-width: 420px) {
  button {
    min-height: 3.7rem;
  }
}