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

:root {
  --primary: #2f80ed;
  --primary-dark: #1e6bd6;
  --danger: #eb5757;
  --warning: #f2994a;
  --ok: #27ae60;
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.app {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.app-header {
  text-align: center;
  padding: 16px 0 24px;
}

.app-header h1 {
  font-size: 28px;
  color: var(--text);
}

.subtitle {
  color: var(--muted);
  margin-top: 4px;
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}

.panel h2 {
  font-size: 17px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.count-badge {
  background: #eef2f7;
  color: var(--muted);
  border-radius: 999px;
  padding: 1px 10px;
  font-size: 12px;
  font-weight: 600;
}

.form-row {
  margin-bottom: 14px;
}

.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
}

input[type="text"],
input[type="number"],
input[type="date"],
select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(47, 128, 237, 0.15);
}

.inline-inputs {
  display: flex;
  gap: 8px;
  align-items: center;
}

.inline-inputs input {
  flex: 1;
}

.inline-inputs select {
  width: 96px;
  flex: 0 0 auto;
}

.unit-label {
  font-size: 14px;
  color: var(--muted);
}

.result-row {
  background: #f8fafc;
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.result-label {
  font-size: 13px;
  color: var(--muted);
}

.result-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
}

.result-days {
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 999px;
  background: #eef2f7;
  color: var(--muted);
}

.result-days.warn {
  background: #fef3e2;
  color: var(--warning);
}

.result-days.danger {
  background: #fde8e8;
  color: var(--danger);
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}

.btn:active {
  transform: scale(0.98);
}

.btn.primary {
  width: 100%;
  background: var(--primary);
  color: #fff;
}

.btn.primary:hover {
  background: var(--primary-dark);
}

.btn.secondary {
  width: 100%;
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn.secondary:hover {
  background: #f0f6ff;
}

.btn.small {
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  background: var(--primary);
  color: #fff;
  margin-left: auto;
}

.btn.small.ghost {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.card-list {
  list-style: none;
}

.card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  background: #fff;
  animation: fadeIn 0.25s ease;
}

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

.card-info {
  flex: 1;
  min-width: 0;
}

.card-title {
  font-weight: 600;
  font-size: 15px;
  word-break: break-all;
}

.card-meta {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.card-days {
  text-align: right;
  flex-shrink: 0;
}

.days-label {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.days-sub {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.expired { background: var(--danger); }
.status-dot.warning { background: var(--warning); }
.status-dot.normal { background: var(--ok); }

.days-label.expired { color: var(--danger); }
.days-label.warning { color: var(--warning); }
.days-label.normal { color: var(--ok); }

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.icon-btn {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  transition: all 0.15s;
}

.icon-btn:hover {
  background: #fde8e8;
  border-color: var(--danger);
  color: var(--danger);
}

.notification-list {
  list-style: none;
  padding: 0;
}

.notification-list .empty {
  color: var(--muted);
  font-size: 13px;
  padding: 8px 0;
}

.notification-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 14px;
}

.notification-item.overdue {
  background: #fde8e8;
  border: 1px solid #f5b8b8;
  color: var(--danger);
}

.notification-item.upcoming {
  background: #fef3e2;
  border: 1px solid #f7d29a;
  color: #b26a00;
}

.notification-item .n-days {
  font-weight: 700;
  flex-shrink: 0;
}

.notification-item .n-name {
  flex: 1;
  min-width: 0;
  word-break: break-all;
}

.notification-item .n-date {
  font-size: 12px;
  color: inherit;
  opacity: 0.8;
  flex-shrink: 0;
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 768px) {
  .settings-grid {
    grid-template-columns: 1fr;
  }
}

.setting-block {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}

.setting-block h3 {
  font-size: 14px;
  margin-bottom: 10px;
  color: var(--text);
}

.switch-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  padding: 6px 0;
  cursor: pointer;
  color: var(--text);
}

.switch-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

.ring-upload-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.ring-upload-row .unit-label {
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.small-btn {
  margin-top: 10px;
  padding: 8px 14px;
  font-size: 13px;
}

.push-help {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
  margin-bottom: 10px;
}

.perm-hint {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
  margin-bottom: 10px;
}

.perm-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
}

.perm-row:last-child {
  border-bottom: none;
}

.perm-label {
  font-size: 14px;
  color: var(--text);
}

.app-footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding-top: 12px;
}

.disclaimer {
  margin-top: 6px;
  color: #9a9a9a;
  font-size: 11px;
  line-height: 1.6;
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #111827;
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 100;
  max-width: 90vw;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}