/* ===========================
   多言語リモート遠隔接客アプリ
   共通スタイル
   =========================== */

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --sidebar-bg: #1e2433;
  --sidebar-text: #94a3b8;
  --sidebar-active: #ffffff;
  --sidebar-active-bg: #2563eb;
  --success: #16a34a;
  --success-light: #dcfce7;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --radius: 8px;
  --radius-lg: 12px;
  --sidebar-width: 200px;
}

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

body {
  font-family: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--gray-100);
  color: var(--gray-800);
  font-size: 14px;
  line-height: 1.5;
}

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

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
}

.sidebar-brand {
  padding: 20px 16px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand .brand-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}

.sidebar-brand .brand-sub {
  font-size: 11px;
  color: var(--gray-400);
  margin-top: 2px;
}

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

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s;
  border-radius: 0;
}

.sidebar-nav a:hover {
  background: rgba(255,255,255,0.06);
  color: var(--white);
}

.sidebar-nav a.active {
  background: var(--primary);
  color: var(--white);
}

.sidebar-nav a .nav-icon {
  width: 16px;
  text-align: center;
  font-size: 14px;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 11px;
  color: var(--gray-500);
}

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

/* ===== PAGE HEADER ===== */
.page-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.page-header-left .page-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
}

.page-header-left .page-subtitle {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 2px;
}

.demo-badge {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

/* ===== PAGE BODY ===== */
.page-body {
  flex: 1;
  padding: 24px;
}

/* ===== CARDS ===== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
}

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

.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 20px;
}

.stat-card .stat-label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 6px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
}

.stat-card .stat-sub {
  font-size: 12px;
  margin-top: 4px;
}

.stat-card .stat-sub.positive { color: var(--success); }
.stat-card .stat-sub.warning { color: var(--warning); }
.stat-card .stat-sub.info { color: var(--primary); }

/* ===== TABLES ===== */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

table thead th {
  background: var(--gray-50);
  padding: 10px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-200);
}

table tbody tr {
  border-bottom: 1px solid var(--gray-100);
  transition: background 0.1s;
}

table tbody tr:hover {
  background: var(--gray-50);
}

table tbody td {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--gray-700);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

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

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

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

.btn-outline {
  background: var(--white);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}
.btn-outline:hover { background: var(--gray-50); }

.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
}

.btn-lg {
  padding: 12px 28px;
  font-size: 15px;
  border-radius: var(--radius-lg);
}

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

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  cursor: pointer;
}

/* ===== BADGES / STATUS ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.badge-active { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--primary-light); color: var(--primary); }
.badge-gray { background: var(--gray-200); color: var(--gray-600); }

/* ===== ALERTS ===== */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  border-left: 4px solid transparent;
}

.alert-success {
  background: var(--success-light);
  border-color: var(--success);
  color: var(--success);
}

.alert-info {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.alert-warning {
  background: var(--warning-light);
  border-color: var(--warning);
  color: var(--warning);
}

/* ===== GRID ===== */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* ===== MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

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

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 28px;
  width: 90%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--gray-400);
  line-height: 1;
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--gray-900);
  color: var(--white);
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  min-width: 240px;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* ===== UTILITY ===== */
.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-4 { margin-bottom: 16px; }
.text-sm { font-size: 12px; }
.text-muted { color: var(--gray-500); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-primary { color: var(--primary); }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }