/* ==========================================================================
   Proposal Hub - Modern Dashboard Stylesheet
   ========================================================================== */

:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --primary-ring: rgba(79, 70, 229, 0.2);
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #f8fafc;
  color: var(--slate-800);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ヘッダー */
.header-nav {
  background: #ffffff;
  border-bottom: 1px solid var(--slate-200);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--slate-900);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-icon {
  width: 2.25rem;
  height: 2.25rem;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  font-size: 1.2rem;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-600);
  text-decoration: none;
  transition: all 0.15s ease;
}

.nav-link:hover {
  color: var(--slate-900);
  background: var(--slate-100);
}

.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}

/* コンテナ */
.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* 統計カードグリッド */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: 1rem;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-500);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-top: 0.25rem;
}

.stat-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

/* 検索・コントロールパネル */
.control-panel {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: 1rem;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.search-box-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 280px;
}

.search-input-wrap svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.25rem;
  height: 1.25rem;
  color: var(--slate-400);
}

.search-input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.75rem;
  border: 1px solid var(--slate-300);
  border-radius: 0.75rem;
  font-size: 0.95rem;
  background: #ffffff;
  transition: all 0.2s;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}

.filter-select {
  padding: 0.65rem 2rem 0.65rem 1rem;
  border: 1px solid var(--slate-300);
  border-radius: 0.75rem;
  font-size: 0.9rem;
  background-color: #ffffff;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.75rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(79, 70, 229, 0.2);
}

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

.btn-secondary {
  background: #ffffff;
  border-color: var(--slate-300);
  color: var(--slate-700);
}

.btn-secondary:hover {
  background: var(--slate-100);
}

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

.btn-success:hover {
  background: #059669;
}

.btn-danger {
  background: var(--danger-light);
  border-color: #fecaca;
  color: var(--danger);
}

.btn-danger:hover {
  background: #fee2e2;
}

/* 案件カードリスト */
.proposals-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.proposal-card {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: 1rem;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.proposal-card:hover {
  border-color: var(--primary-ring);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.proposal-card.read {
  opacity: 0.75;
  background: #fafafa;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.badge-muni {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 0.5rem;
  border: 1px solid #dbeafe;
}

.badge-deadline {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.65rem;
  background: #fff1f2;
  color: #e11d48;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 0.5rem;
  border: 1px solid #ffe4e6;
}

.badge-date {
  font-size: 0.8rem;
  color: var(--slate-500);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.4;
  text-decoration: none;
}

.card-title:hover {
  color: var(--primary);
  text-decoration: underline;
}

.keyword-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.kw-tag {
  display: inline-flex;
  padding: 0.15rem 0.5rem;
  background: var(--slate-100);
  color: var(--slate-700);
  font-size: 0.75rem;
  border-radius: 0.35rem;
  border: 1px solid var(--slate-200);
  cursor: pointer;
  transition: all 0.15s;
}

.kw-tag:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: #c7d2fe;
}

.card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--slate-100);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
}

.btn-external {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border-radius: 0.5rem;
  background: var(--primary-light);
  transition: all 0.15s;
}

.btn-external:hover {
  background: #e0e7ff;
}

/* ページネーション */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.page-btn {
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--slate-300);
  background: #ffffff;
  color: var(--slate-700);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.page-btn:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* トースト通知 */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.85rem 1.25rem;
  border-radius: 0.75rem;
  background: var(--slate-900);
  color: #ffffff;
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.25s ease forwards;
}

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

/* モーダル */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-content {
  background: #ffffff;
  border-radius: 1.25rem;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 1.75rem;
}

/* フォーム部品 */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 0.35rem;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--slate-300);
  border-radius: 0.65rem;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}