@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@500;700&display=swap');

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

:root {
  --bg: #0f1117;
  --surface: #181a23;
  --surface-2: #1f2230;
  --border: #2a2d3a;
  --text: #e4e4e9;
  --text-dim: #8b8d9a;
  --accent: #ec7448;
  --accent-glow: rgba(236, 116, 72, 0.15);
  --green: #34d399;
  --amber: #fbbf24;
  --radius: 10px;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

header {
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo span { color: var(--accent); }

.sync-status {
  font-size: 11px;
  color: var(--text-dim);
  font-weight: 400;
  padding: 3px 8px;
  border-radius: 10px;
  background: var(--surface);
}
.sync-status.saving { color: var(--amber); }
.sync-status.saved { color: var(--green); }
.sync-status.error { color: #ef4444; }

main { max-width: 820px; margin: 0 auto; padding: 32px 20px 60px; }

/* ===== Today card ===== */
.today-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 24px 32px;
  text-align: center;
  margin-bottom: 28px;
}

.today-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}
.today-date {
  font-size: 14px;
  color: var(--text-dim);
  margin-top: 4px;
}
.today-count {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 88px;
  font-weight: 700;
  line-height: 1;
  margin: 14px 0 24px;
  color: var(--accent);
}

.cake-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0 24px;
}
.cake-stat {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 12px 16px;
}
.cake-stat-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
}

.today-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
}

.btn-big {
  padding: 16px 34px;
  background: var(--accent);
  border: none;
  color: #fff;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 700;
  font-size: 18px;
  font-family: inherit;
  transition: filter 0.15s, transform 0.05s;
}
.btn-big:hover { filter: brightness(1.12); }
.btn-big:active { transform: scale(0.97); }

.btn-minus {
  width: 48px; height: 48px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  font-family: inherit;
  transition: all 0.15s;
}
.btn-minus:hover { border-color: var(--accent); color: var(--text); }

/* ===== Weekly chart ===== */
.chart-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.chart-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 700;
}
.chart-meta {
  font-size: 13px;
  color: var(--text-dim);
  margin: 4px 0 22px;
}

.week-chart {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 240px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.week-col {
  flex: 1 0 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  gap: 5px;
}
.week-val {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  height: 14px;
}
.week-bar {
  width: 100%;
  max-width: 30px;
  background: var(--accent);
  border-radius: 5px 5px 0 0;
  transition: height 0.4s ease;
  min-height: 0;
}
.week-bar.current { background: var(--amber); }
.week-num {
  font-size: 10px;
  color: var(--text-dim);
}

.empty-state {
  width: 100%;
  text-align: center;
  color: var(--text-dim);
  align-self: center;
}

@media (max-width: 600px) {
  header { padding: 16px; }
  main { padding: 20px 14px; }
  .today-count { font-size: 56px; }
  .cake-stats { grid-template-columns: 1fr; }
  .btn-big { font-size: 16px; padding: 14px 24px; }
  .week-chart { height: 200px; }
}

/* ===== Tabs / panels ===== */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--surface);
  padding: 4px;
  border-radius: 8px;
}
.tab {
  padding: 8px 18px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  transition: all 0.2s;
}
.tab.active { background: var(--accent); color: #fff; }

.panel { display: none; }
.panel.active { display: block; }
.chart-section + .chart-section { margin-top: 20px; }

/* ===== Add form (settings) ===== */
.add-form {
  display: flex;
  gap: 10px;
  margin: 18px 0 20px;
}
.add-form input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.add-form input:focus { border-color: var(--accent); }
.add-form input::placeholder { color: var(--text-dim); }

.btn {
  padding: 12px 22px;
  background: var(--accent);
  border: none;
  color: #fff;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  font-family: inherit;
  transition: filter 0.15s;
  white-space: nowrap;
}
.btn:hover { filter: brightness(1.12); }

/* ===== Employee slice chart (tracker) ===== */
.emp-chart { display: flex; flex-direction: column; gap: 10px; }

.emp-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.emp-name {
  width: 120px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}
.emp-track {
  flex: 1;
  height: 28px;
  background: var(--surface-2);
  border-radius: 6px;
  overflow: hidden;
}
.emp-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 6px;
  transition: width 0.4s ease;
  min-width: 2px;
}
.emp-count {
  width: 30px;
  text-align: right;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  flex-shrink: 0;
}
.emp-add, .emp-sub {
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  transition: all 0.15s;
}
.emp-add {
  padding: 7px 14px;
  font-size: 14px;
}
.emp-add:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.emp-sub {
  width: 34px;
  height: 34px;
  font-size: 16px;
  color: var(--text-dim);
}
.emp-sub:hover { border-color: var(--accent); color: var(--text); }

/* ===== Employee management list (settings) ===== */
.emp-manage-list { display: flex; flex-direction: column; gap: 8px; }
.emp-manage-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.emp-manage-name { font-weight: 500; flex: 1; }
.emp-manage-meta { font-size: 13px; color: var(--text-dim); }
.delete-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 18px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.15s;
}
.delete-btn:hover { color: #ef4444; background: rgba(239,68,68,0.1); }

@media (max-width: 600px) {
  .emp-name { width: 80px; }
  .emp-add { padding: 7px 10px; }
  .add-form { flex-direction: column; }
}