/* public/css/style.css - 当番表メーカー Shift Maker */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --secondary: #64748b;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-secondary: #64748b;
  --sidebar-width: 220px;
  --header-height: 56px;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
}

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

body {
  font-family: -apple-system, 'Hiragino Sans', 'Meiryo', sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ========== Auth pages ========== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;
}

.auth-card {
  background: white;
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.auth-logo {
  text-align: center;
  margin-bottom: 28px;
}

.auth-logo h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}

.auth-logo p {
  color: var(--text-secondary);
  font-size: 13px;
}

/* ========== App layout ========== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: #1e293b;
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-header {
  padding: 20px 16px;
  border-bottom: 1px solid #334155;
}

.sidebar-header h2 {
  font-size: 14px;
  font-weight: 700;
  color: white;
  line-height: 1.3;
}

.sidebar-header span {
  font-size: 11px;
  color: #94a3b8;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: #94a3b8;
  text-decoration: none;
  font-size: 13px;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
  background: #334155;
  color: white;
  text-decoration: none;
}

.sidebar-nav a.active {
  background: #1d4ed8;
  color: white;
  border-left-color: #60a5fa;
}

.sidebar-nav .nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid #334155;
  font-size: 12px;
  color: #64748b;
}

.sidebar-footer a {
  color: #94a3b8;
  display: block;
  padding: 6px 0;
}

.sidebar-footer a:hover { color: white; text-decoration: none; }

/* Main content */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-header {
  background: white;
  height: var(--header-height);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.main-header h1 {
  font-size: 18px;
  font-weight: 600;
  flex: 1;
}

.page-content {
  padding: 24px;
  flex: 1;
}

/* ========== Cards ========== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-header h2 {
  font-size: 15px;
  font-weight: 600;
  flex: 1;
}

.card-body {
  padding: 20px;
}

/* ========== Forms ========== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group label .required {
  color: var(--danger);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: white;
  transition: border-color 0.15s;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-control.error { border-color: var(--danger); }

select.form-control { cursor: pointer; }

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

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.dow-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.dow-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  background: white;
  transition: all 0.15s;
  user-select: none;
}

.dow-btn.selected {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.help-text {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn:hover { text-decoration: none; opacity: 0.9; }
.btn:active { transform: scale(0.98); }

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

.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-warning { background: var(--warning); color: white; }
.btn-secondary { background: var(--secondary); color: white; }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

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

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover { background: var(--bg); }

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

.btn-block { width: 100%; justify-content: center; }

/* ========== Tables ========== */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead tr {
  background: var(--bg);
  border-bottom: 2px solid var(--border);
}

th {
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }

.td-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* ========== Alerts / Flash messages ========== */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fef9c3; color: #854d0e; border: 1px solid #fde68a; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* ========== Badges ========== */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
}

.badge-primary { background: var(--primary-light); color: var(--primary-dark); }
.badge-success { background: #dcfce7; color: #166534; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-secondary { background: #f1f5f9; color: #475569; }

/* ========== Dashboard ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-card .stat-title {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
}

.stat-card .stat-sub {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ========== Calendar ========== */
.calendar-wrap {
  overflow-x: auto;
}

.calendar-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.calendar-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

.calendar-table th {
  padding: 10px;
  text-align: center;
  background: #f1f5f9;
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-secondary);
}

.calendar-table th.weekend { color: #dc2626; }

.calendar-table td {
  vertical-align: top;
  border: 1px solid var(--border);
  padding: 6px;
  min-height: 70px;
  height: 70px;
  min-width: 80px;
  width: calc(100% / 7);
}

.calendar-table td.empty { background: #f8fafc; }
.calendar-table td.today { background: #eff6ff; }
.calendar-table td.holiday { background: #fff1f2; }

.cal-day-num {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 4px;
}

.cal-day-num.holiday-num { color: #dc2626; }

.cal-assignment {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: opacity 0.1s;
}

.cal-assignment:hover { opacity: 0.8; }

.cal-assignment.job-0 { background: #dbeafe; color: #1e40af; }
.cal-assignment.job-1 { background: #dcfce7; color: #166534; }
.cal-assignment.job-2 { background: #fef3c7; color: #92400e; }
.cal-assignment.job-3 { background: #fce7f3; color: #9d174d; }
.cal-assignment.job-4 { background: #ede9fe; color: #5b21b6; }
.cal-assignment.unassigned { background: #fee2e2; color: #991b1b; border: 1px dashed #f87171; }

/* ========== Modal ========== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.show { display: flex; }

.modal {
  background: white;
  border-radius: 12px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-header h3 { font-size: 16px; font-weight: 600; flex: 1; }
.modal-close {
  background: none; border: none; cursor: pointer; font-size: 20px; color: var(--text-secondary);
  padding: 4px; border-radius: 4px;
}
.modal-close:hover { background: var(--bg); }

.modal-body { padding: 20px 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ========== Tabs ========== */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  gap: 0;
  margin-bottom: 20px;
}

.tab-btn {
  padding: 10px 20px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.15s;
}

.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ========== Drag handles for sorting ========== */
.drag-handle {
  cursor: grab;
  color: var(--text-secondary);
  padding: 4px;
}
.drag-handle:active { cursor: grabbing; }

/* ========== Misc ========== */
.flex { display: flex; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.text-sm { font-size: 12px; }
.text-secondary { color: var(--text-secondary); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* Hamburger button */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}
.hamburger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: #334155;
  border-radius: 2px;
  transition: all 0.25s;
}
.hamburger-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger-btn.open span:nth-child(2) { opacity: 0; }
.hamburger-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Sidebar overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 99;
}
.sidebar-overlay.show { display: block; }

/* Responsive */
@media (max-width: 768px) {
  .hamburger-btn { display: flex; }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 200;
  }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .form-row { grid-template-columns: 1fr; }
  .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-content { padding: 16px; }
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .card-header { flex-wrap: wrap; gap: 8px; }
  .td-actions { flex-wrap: wrap; }
}

/* Print styles */
@media print {
  .sidebar, .main-header, .btn, .td-actions { display: none !important; }
  .main-content { margin-left: 0; }
  .calendar-table { min-width: unset; }
}