:root {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --card-border: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-color: #38bdf8;
  --border-color: #334155;
  --success-color: #4ade80;
  --error-color: #f87171;
  --holiday-bg: #451a03;
  --holiday-text: #fdba74;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  padding: 20px;
  display: flex;
  justify-content: center;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 900px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

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

.subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

.controls-bar {
  display: flex;
  gap: 12px;
  align-items: center;
}

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

.form-group label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

select, input[type="number"], input[type="time"] {
  background: #0f172a;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 6px;
  outline: none;
  font-size: 0.9rem;
}

select:focus, input:focus {
  border-color: var(--accent-color);
}

.btn-today {
  background: #334155;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-today:hover {
  background: var(--accent-color);
  color: #0f172a;
  border-color: var(--accent-color);
}

.finance-inputs-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  background: #0f172a;
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
}

.finance-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 150px;
}

.weekdays-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  text-align: center;
  font-weight: bold;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin-bottom: 24px;
}

.day-cell {
  background: #0f172a;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  min-height: 85px;
  padding: 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.1s ease, border-color 0.2s ease;
}

.day-cell:hover {
  border-color: var(--accent-color);
  transform: translateY(-2px);
}

.day-cell.empty {
  background: transparent;
  border: none;
  cursor: default;
}

.day-cell.holiday {
  background: var(--holiday-bg);
  border-color: #9a3412;
}

.day-cell.holiday .day-number {
  color: var(--holiday-text);
}

.day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.day-number {
  font-weight: bold;
  font-size: 0.95rem;
}

.holiday-label {
  font-size: 0.65rem;
  color: var(--holiday-text);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shift-badge {
  font-size: 0.65rem;
  padding: 2px 5px;
  border-radius: 4px;
  font-weight: bold;
}

.shift-1 { background: #1e3a8a; color: #93c5fd; }
.shift-2 { background: #065f46; color: #6ee7b7; }
.shift-3 { background: #581c87; color: #d8b4fe; }

.time-range {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.overtime-badge {
  font-size: 0.7rem;
  color: #f59e0b;
  font-weight: bold;
  margin-top: 2px;
}

.summary-card {
  background: #0f172a;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.summary-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.summary-item span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.summary-item strong {
  font-size: 1.1rem;
}

.highlight-overtime strong { color: #f59e0b; }
.highlight-total strong { color: var(--accent-color); }
.highlight-money strong { color: var(--success-color); font-size: 1.25rem; }

.btn-submit {
  width: 100%;
  background: #2563eb;
  color: #ffffff;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn-submit:hover {
  background: #1d4ed8;
}

.status-msg {
  margin-top: 12px;
  padding: 10px;
  border-radius: 6px;
  text-align: center;
  font-size: 0.9rem;
  display: none;
}

/* Модальное окно */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  width: 90%;
  max-width: 420px;
  padding: 20px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

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

.modal-close {
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-close:hover {
  color: var(--text-main);
}

.modal-holiday-info {
  background: var(--holiday-bg);
  color: var(--holiday-text);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  margin-bottom: 12px;
  text-align: center;
}

.section-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 8px;
}

.quick-shift-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.btn-quick {
  background: #0f172a;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.2s ease;
}

.btn-quick span {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.btn-quick.active {
  border-color: var(--accent-color);
  background: #1e3a8a;
}

.btn-quick.btn-off.active {
  background: #334155;
  border-color: var(--border-color);
}

.divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 16px 0;
}

.time-adjust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.overtime-preview {
  margin-top: 14px;
  background: #0f172a;
  padding: 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  text-align: center;
  color: var(--text-muted);
}

.overtime-preview strong {
  color: var(--accent-color);
}