:root {
      --blue:    #005A9C;
      --blue-dk: #003F6E;
      --blue-lt: #1A7DC4;
      --white:   #FFFFFF;
      --bg:      #F0F4F9;
      --panel:   #FFFFFF;
      --border:  #DDE3EE;
      --text:    #1A1A2E;
      --gray:    #6B7280;
      --accent:  #EF3E42;
      --green:   #16A34A;
      --radius:  8px;
      --shadow:  0 2px 12px rgba(0,0,0,.08);
      --sidebar: 240px;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: 'Noto Sans JP', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
    input, select, textarea, button { font-family: inherit; }

    /* ===== LOGIN SCREEN ===== */
    #loginScreen {
      position: fixed; inset: 0; z-index: 9999;
      background: linear-gradient(135deg, #001529, var(--blue-dk));
      display: flex; align-items: center; justify-content: center;
    }
    .login-box {
      background: var(--panel);
      border-radius: 16px;
      padding: 48px 40px;
      width: 100%;
      max-width: 400px;
      box-shadow: 0 20px 60px rgba(0,0,0,.4);
    }
    .login-logo { font-family: 'Oswald', sans-serif; font-size: 1.5rem; color: var(--blue-dk); letter-spacing: 2px; margin-bottom: 4px; }
    .login-sub  { font-size: .8rem; color: var(--gray); margin-bottom: 32px; }
    .login-label { display: block; font-size: .8rem; font-weight: 700; color: var(--blue-dk); margin-bottom: 6px; }
    .login-input {
      width: 100%; padding: 11px 14px;
      border: 1.5px solid var(--border); border-radius: var(--radius);
      font-size: .95rem; outline: none; transition: border-color .2s;
      margin-bottom: 16px;
    }
    .login-input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,90,156,.1); }
    .login-btn {
      width: 100%; padding: 13px;
      background: var(--blue); color: var(--white);
      border: none; border-radius: var(--radius);
      font-size: 1rem; font-weight: 700; cursor: pointer;
      transition: background .2s;
    }
    .login-btn:hover { background: var(--blue-dk); }
    .login-btn:disabled { background: var(--gray); cursor: not-allowed; }
    .login-error { color: var(--accent); font-size: .82rem; margin-top: 10px; display: none; }
    .login-unconfigured {
      background: #FFF7ED; border: 1px solid #FCD34D;
      border-radius: var(--radius); padding: 14px 16px;
      font-size: .82rem; color: #92400E; margin-bottom: 20px; line-height: 1.7;
    }

    /* ===== MAIN LAYOUT ===== */
    #app { display: none; min-height: 100vh; }

    .topbar {
      position: fixed; top: 0; left: 0; right: 0; height: 56px; z-index: 100;
      background: var(--blue-dk);
      display: flex; align-items: center; padding: 0 20px;
      gap: 16px;
    }
    .topbar-logo { font-family: 'Oswald', sans-serif; font-size: 1.1rem; color: var(--white); letter-spacing: 2px; }
    .topbar-badge {
      font-size: .7rem; letter-spacing: 1px; color: rgba(255,255,255,.5);
      border: 1px solid rgba(255,255,255,.2); border-radius: 20px; padding: 2px 10px;
    }
    .topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
    .topbar-user { font-size: .8rem; color: rgba(255,255,255,.7); }
    .logout-btn {
      font-size: .78rem; color: rgba(255,255,255,.7); background: rgba(255,255,255,.1);
      border: none; border-radius: 20px; padding: 5px 14px; cursor: pointer;
      transition: background .2s;
    }
    .logout-btn:hover { background: rgba(255,255,255,.2); color: var(--white); }

    .sidebar {
      position: fixed; top: 56px; left: 0; bottom: 0;
      width: var(--sidebar); background: var(--panel);
      border-right: 1px solid var(--border);
      padding: 20px 0; overflow-y: auto;
    }
    .nav-section { padding: 8px 16px 4px; font-size: .68rem; letter-spacing: 2px; color: var(--gray); text-transform: uppercase; }
    .nav-item {
      display: flex; align-items: center; gap: 10px;
      padding: 10px 20px; font-size: .9rem; cursor: pointer;
      color: var(--text); border: none; background: none; width: 100%; text-align: left;
      transition: background .15s, color .15s;
      border-left: 3px solid transparent;
    }
    .nav-item:hover { background: var(--bg); }
    .nav-item.active { background: #EBF4FF; color: var(--blue); border-left-color: var(--blue); font-weight: 700; }
    .nav-icon { font-size: 1.1rem; min-width: 22px; }

    .main-content {
      margin-left: var(--sidebar);
      margin-top: 56px;
      padding: 32px;
      min-height: calc(100vh - 56px);
    }

    /* ===== PAGE HEADER ===== */
    .page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; flex-wrap: wrap; gap: 12px; }
    .page-title { font-size: 1.4rem; font-weight: 700; color: var(--blue-dk); }
    .page-sub { font-size: .82rem; color: var(--gray); margin-top: 2px; }

    /* ===== BUTTONS ===== */
    .btn {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 9px 18px; border-radius: var(--radius); font-size: .875rem;
      font-weight: 700; cursor: pointer; border: none; transition: all .2s;
    }
    .btn-primary { background: var(--blue); color: var(--white); }
    .btn-primary:hover { background: var(--blue-dk); }
    .btn-danger  { background: #FEE2E2; color: var(--accent); }
    .btn-danger:hover { background: #FECACA; }
    .btn-ghost   { background: transparent; color: var(--blue); border: 1.5px solid var(--blue); }
    .btn-ghost:hover { background: #EBF4FF; }
    .btn-sm { padding: 5px 12px; font-size: .78rem; }
    .btn:disabled { opacity: .5; cursor: not-allowed; }
    .btn-green { background: #DCFCE7; color: var(--green); }
    .btn-green:hover { background: #BBF7D0; }

    /* ===== PANELS ===== */
    .panel { background: var(--panel); border-radius: 12px; box-shadow: var(--shadow); margin-bottom: 20px; }
    .panel-header { padding: 18px 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
    .panel-title { font-size: 1rem; font-weight: 700; color: var(--blue-dk); }
    .panel-body { padding: 24px; }

    /* ===== BOX SCORE INPUT ===== */
    .bs-section { margin-top: 20px; border-top: 1.5px solid var(--border); padding-top: 18px; }
    .bs-toggle-row { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
    .bs-toggle-label { font-size: .82rem; font-weight: 700; color: var(--blue-dk); }
    .bs-toggle { display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: .82rem; color: var(--gray); }
    .bs-toggle input { accent-color: var(--blue); width: 15px; height: 15px; }
    .bs-innings-sel { padding: 5px 10px; border: 1.5px solid var(--border); border-radius: 6px; font-size: .82rem; }
    .bs-grid { overflow-x: auto; }
    .bs-table { border-collapse: collapse; width: 100%; min-width: 360px; font-size: .85rem; }
    .bs-table th { background: var(--blue-dk); color: #fff; padding: 7px 10px; text-align: center; font-family: 'Oswald', sans-serif; font-size: .75rem; letter-spacing: 1px; min-width: 40px; }
    .bs-table th.bs-team-col { text-align: left; min-width: 130px; }
    .bs-table th.bs-total-col { background: #1a4a80; }
    .bs-table td { padding: 4px 4px; border: 1px solid var(--border); text-align: center; }
    .bs-table td.bs-team-name { text-align: left; padding: 4px 10px; font-weight: 700; color: var(--blue-dk); font-size: .82rem; }
    .bs-table td.bs-total { background: #ebf4ff; font-weight: 700; color: var(--blue-dk); font-size: .95rem; min-width: 44px; }
    .bs-table tr.hara-row { background: rgba(0,90,156,.04); }
    .bs-inning-input {
      width: 40px; height: 34px; text-align: center;
      border: 1.5px solid var(--border); border-radius: 4px;
      font-size: .88rem; font-weight: 700; color: var(--blue-dk);
      background: var(--white); outline: none;
      transition: border-color .2s;
    }
    .bs-inning-input:focus { border-color: var(--blue); }
    .bs-inning-input.last-inning { background: #fffbeb; }

    /* ===== FORM ===== */
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
    .form-field { display: flex; flex-direction: column; gap: 5px; }
    .form-field.full { grid-column: 1 / -1; }
    .form-label { font-size: .78rem; font-weight: 700; color: var(--blue-dk); }
    .form-label .req { color: var(--accent); margin-left: 3px; }
    .form-input, .form-select, .form-textarea {
      padding: 9px 12px;
      border: 1.5px solid var(--border); border-radius: var(--radius);
      font-size: .9rem; outline: none; transition: border-color .2s;
      background: var(--white);
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,90,156,.08);
    }
    .form-textarea { resize: vertical; min-height: 90px; }
    .form-actions { display: flex; gap: 10px; margin-top: 20px; }

    /* ===== TABLE ===== */
    .data-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
    .data-table th { padding: 11px 14px; text-align: left; font-size: .75rem; letter-spacing: 1px; color: var(--gray); border-bottom: 2px solid var(--border); white-space: nowrap; }
    .data-table td { padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
    .data-table tbody tr:hover { background: #F8FAFF; }
    .table-wrap { overflow-x: auto; }

    /* ===== BADGE ===== */
    .badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: .72rem; font-weight: 700; }
    .badge-win  { background: #DCFCE7; color: var(--green); }
    .badge-lose { background: #FEE2E2; color: var(--accent); }
    .badge-draw { background: #F3F4F6; color: #6B7280; }
    .badge-info    { background: #EBF4FF; color: var(--blue); }
    .badge-result  { background: #DCFCE7; color: var(--green); }
    .badge-result-l { background: #FEE2E2; color: var(--accent); }
    .badge-event   { background: #F3E8FF; color: #9333EA; }
    .badge-recruit { background: #FEF3C7; color: #B45309; }
    .badge-award   { background: #FEF9C3; color: #854D0E; }

    /* ===== GALLERY GRID ===== */
    .gallery-admin-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
    .gallery-admin-item { position: relative; border-radius: 8px; overflow: hidden; background: var(--bg); aspect-ratio: 4/3; }
    .gallery-admin-item img { width: 100%; height: 100%; object-fit: cover; }
    .gallery-admin-item .item-overlay {
      position: absolute; inset: 0;
      background: rgba(0,0,0,.45);
      display: flex; flex-direction: column;
      align-items: center; justify-content: center;
      gap: 6px;
      opacity: 0; transition: opacity .2s;
    }
    .gallery-admin-item:hover .item-overlay { opacity: 1; }
    .gallery-admin-item .item-caption {
      position: absolute; bottom: 0; left: 0; right: 0;
      background: rgba(0,0,0,.55); color: #fff;
      font-size: .72rem; padding: 5px 8px;
    }
    .gallery-placeholder { background: linear-gradient(135deg, #1A7DC4, #003F6E); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.3); font-size: .75rem; letter-spacing: 2px; width: 100%; height: 100%; }

    /* ===== UPLOAD DROP ZONE ===== */
    .upload-zone {
      border: 2px dashed var(--border);
      border-radius: 12px;
      padding: 36px 24px;
      text-align: center;
      cursor: pointer;
      transition: border-color .2s, background .2s;
      background: var(--bg);
    }
    .upload-zone:hover, .upload-zone.drag-over { border-color: var(--blue); background: #EBF4FF; }
    .upload-zone input[type="file"] { display: none; }
    .upload-icon { font-size: 2.5rem; margin-bottom: 10px; }
    .upload-text { font-size: .9rem; color: var(--gray); line-height: 1.6; }
    .upload-text strong { color: var(--blue); }
    .upload-progress { margin-top: 14px; display: none; }
    .progress-bar-wrap { background: var(--border); border-radius: 20px; height: 6px; overflow: hidden; }
    .progress-bar { background: var(--blue); height: 100%; transition: width .3s; border-radius: 20px; width: 0%; }

    /* ===== TOAST ===== */
    #toast {
      position: fixed; bottom: 28px; right: 28px; z-index: 9999;
      background: var(--blue-dk); color: var(--white);
      padding: 12px 20px; border-radius: 8px;
      font-size: .875rem; font-weight: 500;
      box-shadow: 0 4px 20px rgba(0,0,0,.3);
      transform: translateY(80px); opacity: 0;
      transition: transform .3s, opacity .3s;
      max-width: 320px;
    }
    #toast.show { transform: translateY(0); opacity: 1; }
    #toast.error { background: var(--accent); }

    /* ===== MODAL ===== */
    .modal-overlay {
      position: fixed; inset: 0; z-index: 500;
      background: rgba(0,0,0,.5);
      display: none; align-items: center; justify-content: center;
      padding: 20px;
    }
    .modal-overlay.open { display: flex; }
    .modal { background: var(--panel); border-radius: 14px; padding: 28px; width: 100%; max-width: 560px; box-shadow: 0 20px 60px rgba(0,0,0,.2); }
    .modal-title { font-size: 1.1rem; font-weight: 700; color: var(--blue-dk); margin-bottom: 20px; }
    .modal-actions { display: flex; gap: 10px; margin-top: 24px; justify-content: flex-end; }

    /* ===== STAT CARDS ===== */
    .stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
    .stat-card { background: var(--panel); border-radius: 10px; padding: 20px 22px; box-shadow: var(--shadow); border-top: 4px solid var(--blue); }
    .stat-card-val { font-size: 2rem; font-weight: 700; color: var(--blue-dk); line-height: 1; }
    .stat-card-label { font-size: .78rem; color: var(--gray); margin-top: 6px; }

    /* ===== LOADING / EMPTY ===== */
    .loading { text-align: center; padding: 48px; color: var(--gray); font-size: .9rem; }
    .empty-state { text-align: center; padding: 48px; color: var(--gray); }
    .empty-icon { font-size: 2.5rem; margin-bottom: 10px; }
    .empty-text { font-size: .9rem; }

    /* ===== TAB in panel ===== */
    .cat-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
    .cat-btn {
      font-size: .75rem; padding: 5px 14px; border-radius: 20px;
      border: 1.5px solid var(--border); background: var(--white);
      cursor: pointer; color: var(--gray); transition: all .15s;
    }
    .cat-btn.active, .cat-btn:hover { background: var(--blue); color: var(--white); border-color: var(--blue); }

    @media (max-width: 900px) {
      .sidebar { display: none; }
      .main-content { margin-left: 0; padding: 20px 16px; }
      .stat-cards { grid-template-columns: repeat(2,1fr); }
      .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
    }