:root {
  --bg: #0f172a;
  --panel: #111827;
  --card: #1f2937;
  --accent: #38bdf8;
  --accent-dark: #0ea5e9;
  --text: #f8fafc;
  --muted: #94a3b8;
  --danger: #f87171;
  --success: #34d399;
  --border: rgba(148, 163, 184, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at top, #1e293b, var(--bg) 45%);
  color: var(--text);
  min-height: 100vh;
}

a {
  color: inherit;
}

.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  background: rgba(15, 23, 42, 0.9);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #38bdf8, #22c55e);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0f172a;
  font-size: 22px;
}

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

.brand p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.user-tag {
  color: var(--muted);
  font-size: 14px;
}

.content {
  padding: 32px 48px 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.card {
  background: rgba(31, 41, 55, 0.7);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.hero h2 {
  margin: 0 0 6px;
  font-size: 22px;
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.stat-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-card span {
  color: var(--muted);
  font-size: 13px;
}

.stat-card strong {
  font-size: 22px;
}

.stat-card.highlight {
  border-color: rgba(56, 189, 248, 0.5);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(34, 197, 94, 0.1));
}

.table-card .card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.header-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.table-card h3 {
  margin: 0;
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

th, td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 14px;
}

th {
  color: var(--muted);
  font-weight: 600;
}

td input {
  width: 100%;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 8px 10px;
  color: var(--text);
}

.input-num {
  width: auto;
  min-width: 10ch;
  max-width: 10ch;
}

.input-text {
  min-width: 140px;
}

.input-track {
  width: auto;
  min-width: 100px;
  max-width: 144px;
}

.input-date {
  width: auto;
  min-width: 96px;
  max-width: 120px;
}

td input:focus {
  outline: none;
  border-color: rgba(56, 189, 248, 0.6);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

.daily-detail.is-hidden {
  display: none;
}

.daily-summary {
  background: rgba(15, 23, 42, 0.55);
}

.daily-summary .date-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.date-toggle {
  border: 1px solid var(--border);
  background: rgba(148, 163, 184, 0.15);
  color: var(--text);
  border-radius: 8px;
  width: 24px;
  height: 24px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

/* 移除数字输入框调节按钮 */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, #38bdf8, #22c55e);
  color: #0f172a;
  font-weight: 600;
}

.btn-secondary {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-danger {
  background: rgba(248, 113, 113, 0.15);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.35);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 10px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.form-group input {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.8);
  color: var(--text);
}

.form-group input:focus {
  outline: none;
  border-color: rgba(56, 189, 248, 0.6);
}

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: min(420px, 90vw);
  background: rgba(31, 41, 55, 0.8);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.auth-card .brand {
  margin-bottom: 24px;
}

.auth-tip {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  gap: 8px;
  align-items: center;
}

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.7);
  z-index: 99;
  padding: 20px;
}

.modal-content {
  background: var(--panel);
  border-radius: 20px;
  padding: 24px;
  width: min(480px, 92vw);
  border: 1px solid var(--border);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 18px;
  cursor: pointer;
}

.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.message {
  position: fixed;
  right: 24px;
  top: 24px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
  z-index: 100;
}

.message.success { color: var(--success); }
.message.error { color: var(--danger); }

@media (max-width: 900px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .content {
    padding: 24px;
  }
}