:root {
  --bg: #0f0f10;
  --surface: #1a1a1f;
  --surface-hover: #222228;
  --border: #2a2a32;
  --accent: #7c6dff;
  --accent-dim: rgba(124, 109, 255, 0.12);
  --text: #e8e8ed;
  --text-muted: #888893;
  --success: #34c759;
  --online: #34c759;
  --offline: #44444e;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--text);
}

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
  max-width: 430px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

/* ── Header ── */

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 12px;
  padding-top: calc(20px + env(safe-area-inset-top));
  flex-shrink: 0;
}

.app-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.workers {
  display: flex;
  gap: 6px;
}

.worker-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 10px 5px 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.worker-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--offline);
  flex-shrink: 0;
}

.worker-chip.online .worker-dot {
  background: var(--online);
  box-shadow: 0 0 6px var(--online);
}

.worker-chip.online {
  color: var(--text);
}

#btn-install {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.hidden { display: none !important; }

/* ── Actions grid ── */

main {
  flex: 1;
  overflow-y: auto;
  padding: 8px 16px 32px;
  overscroll-behavior: contain;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin: 12px 4px 10px;
}

.actions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.action-card {
  background: var(--surface);
  border-radius: 20px;
  padding: 18px 16px 16px;
  cursor: pointer;
  border: 1px solid var(--border);
  position: relative;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.12s, transform 0.1s;
}

.action-card:active {
  transform: scale(0.95);
  background: var(--surface-hover);
}

.action-card.unavailable {
  opacity: 0.4;
  pointer-events: none;
}

.card-icon {
  font-size: 30px;
  display: block;
  margin-bottom: 10px;
  line-height: 1;
}

.card-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
}

.card-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.35;
}

.card-worker {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  font-size: 10px;
  font-weight: 500;
  padding: 3px 7px;
  border-radius: 6px;
  background: var(--border);
  color: var(--text-muted);
}

.card-worker.online {
  color: var(--online);
  background: rgba(52, 199, 89, 0.1);
}

/* ── Bottom sheet ── */

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  z-index: 100;
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.overlay.open {
  opacity: 1;
  pointer-events: all;
}

.sheet {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) translateY(110%);
  width: 100%;
  max-width: 430px;
  background: #16161b;
  border-radius: 24px 24px 0 0;
  border-top: 1px solid var(--border);
  z-index: 101;
  transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
}

.sheet.open {
  transform: translateX(-50%) translateY(0);
}

.sheet-handle {
  width: 36px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin: 12px auto 0;
  flex-shrink: 0;
}

.sheet-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px 8px;
  overscroll-behavior: contain;
}

.sheet-title {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Form fields ── */

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.field input[type="text"],
.field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.15s;
  -webkit-appearance: none;
}

.field input[type="text"]:focus,
.field textarea:focus {
  border-color: var(--accent);
}

.field textarea {
  resize: none;
  min-height: 90px;
  line-height: 1.5;
}

.quickpick {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.qp-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 11px 10px;
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.12s;
  text-align: center;
}

.qp-btn.selected {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.qp-btn.qp-more {
  color: var(--accent);
  border-color: transparent;
  background: var(--accent-dim);
}

.quickpick.qp-expanded {
  grid-template-columns: 1fr 1fr 1fr;
  animation: qp-expand 0.2s ease;
}

@keyframes qp-expand {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.qp-custom-date {
  display: none;
  width: 100%;
  margin-top: 10px;
  background: var(--bg);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  color-scheme: dark;
  -webkit-appearance: none;
}

.qp-custom-date.visible {
  display: block;
  animation: qp-expand 0.18s ease;
}

.file-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--bg);
  border: 1.5px dashed var(--border);
  border-radius: 14px;
  padding: 22px 16px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 13px;
  transition: border-color 0.15s, background 0.15s;
  text-align: center;
}

.file-drop:hover,
.file-drop.has-file {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.file-drop .drop-icon {
  font-size: 26px;
}

.file-name {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.submit-btn {
  width: 100%;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 14px;
  padding: 14px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 6px;
  font-family: inherit;
  letter-spacing: 0.2px;
  transition: opacity 0.12s, transform 0.1s;
}

.submit-btn:active {
  opacity: 0.82;
  transform: scale(0.98);
}

/* ── Nested menu ── */

.menu-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  cursor: pointer;
  font-size: 15px;
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
  transition: background 0.12s;
}

.menu-item:active {
  background: var(--surface-hover);
}

.menu-item-arrow {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 18px;
}

/* ── Toast ── */

.toast {
  position: fixed;
  top: calc(16px + env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%) translateY(calc(-100% - 20px));
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 18px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 500;
  z-index: 200;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.toast.success {
  background: rgba(52, 199, 89, 0.15);
  border-color: rgba(52, 199, 89, 0.25);
  color: var(--success);
}