:root {
  --bg: #0b1020;
  --panel: #151b32;
  --panel-2: #1d2444;
  --text: #e8ecf6;
  --muted: #8a92ad;
  --accent: #ff4500;
  --danger: #ff5c7c;
  --border: #2a3055;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(180deg, rgba(255, 69, 0, 0.14), rgba(255, 69, 0, 0) 30%),
    linear-gradient(180deg, #101731 0%, var(--bg) 100%);
  color: var(--text);
  min-height: 100vh;
  padding:
    env(safe-area-inset-top)
    env(safe-area-inset-right)
    env(safe-area-inset-bottom)
    env(safe-area-inset-left);
}

header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(11, 16, 32, 0.82);
  border-bottom: 1px solid var(--border);
  padding: 18px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 10;
}

h1 {
  margin: 0;
  font-size: 22px;
}

#push-status {
  color: var(--muted);
  font-size: 14px;
}

.notice {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.notice code {
  color: var(--text);
  background: var(--panel-2);
  border-radius: 4px;
  padding: 1px 5px;
}

#push-state {
  color: var(--text);
}

button {
  font: inherit;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

button:active {
  transform: scale(0.98);
}

#enable-push {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

main {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}

section h2 {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--muted);
}

input[type="text"] {
  font: inherit;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  -webkit-appearance: none;
  width: 100%;
}

input[type="text"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

ul#filter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.empty {
  color: var(--muted);
  padding: 8px;
}

.filter-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  background: var(--panel-2);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.kw {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.kw span {
  background: rgba(255, 69, 0, 0.15);
  color: #ff8a5b;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 13px;
}

.kw span.all-posts {
  background: rgba(138, 146, 173, 0.15);
  color: var(--muted);
}

button.remove {
  background: transparent;
  color: var(--danger);
  border-color: rgba(255, 92, 124, 0.3);
  padding: 8px 12px;
}

.backup-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.import-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.import-label input[type="file"] {
  display: none;
}

#install-help p {
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
  font-size: 14px;
}

@media (max-width: 640px) {
  .filter-item {
    align-items: flex-start;
    flex-direction: column;
  }

  button.remove {
    width: 100%;
  }
}