:root {
  color-scheme: dark;
  --bg: #101713;
  --panel: #18231e;
  --panel-2: #203129;
  --line: #365146;
  --text: #eef6ef;
  --muted: #a9b9ad;
  --accent: #58c783;
  --warn: #e3b34b;
  --danger: #df6a5e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.shell {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: 18px;
}

.topbar,
.panel-head,
.status-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.topbar {
  padding: 10px 0 18px;
}

.eyebrow,
.label {
  color: var(--muted);
  font-size: 12px;
  margin: 0 0 5px;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 28px;
}

h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

button {
  min-height: 46px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #06100a;
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  opacity: 0.55;
  cursor: wait;
}

.icon-btn,
.small-btn {
  min-width: 46px;
  padding: 0 14px;
}

.small-btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
}

.status-band,
.upload-panel,
.message-panel,
.events {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 14px;
  padding: 16px;
}

.status-band {
  align-items: stretch;
}

.status-band > div {
  flex: 1;
  min-width: 0;
  padding-right: 10px;
}

.status-band strong {
  display: block;
  overflow-wrap: anywhere;
}

.pill {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  padding: 7px 10px;
  font-size: 13px;
}

form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

input[type="file"] {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--text);
  padding: 11px;
}

.message-panel p,
.upload-panel p {
  color: var(--muted);
}

#currentMessage {
  color: var(--text);
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 0;
}

.events-list {
  display: grid;
  gap: 10px;
}

.event {
  border-left: 4px solid var(--accent);
  background: var(--panel-2);
  border-radius: 6px;
  padding: 12px;
}

.event.warn {
  border-color: var(--warn);
}

.event.danger {
  border-color: var(--danger);
}

.event strong {
  display: block;
  margin-bottom: 4px;
}

.event p {
  color: var(--muted);
  margin-bottom: 0;
  line-height: 1.35;
}

@media (max-width: 720px) {
  .status-band,
  form {
    grid-template-columns: 1fr;
    display: grid;
  }

  .panel-head {
    align-items: flex-start;
  }

  button {
    width: 100%;
  }

  .topbar .icon-btn,
  .panel-head .small-btn {
    width: auto;
  }
}