/* ========================================
   GEMPACK Modern Style Override
   Applied on top of site-wide css1b.css
   ======================================== */

/* --- Variables --- */
:root {
  --gp-primary: #1a365d;
  --gp-primary-light: #2b6cb0;
  --gp-primary-lighter: #ebf4ff;
  --gp-accent: #c05621;
  --gp-bg: #f7fafc;
  --gp-card-bg: #ffffff;
  --gp-text: #1a202c;
  --gp-text-secondary: #4a5568;
  --gp-text-muted: #718096;
  --gp-border: #e2e8f0;
  --gp-radius: 8px;
  --gp-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --gp-shadow-hover: 0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.06);
  --gp-transition: all 0.2s ease;
}

/* --- Layout --- */
body { background: var(--gp-bg); color: var(--gp-text); line-height: 1.7; }

.gp-page { max-width: 1100px; margin: 0 auto; padding: 20px 24px 40px; }

/* --- Content area override (inside old table) --- */
td[width="80%"] { background: transparent !important; }

/* --- Typography --- */
.gp-page h1 { font-size: 2rem; font-weight: 700; color: var(--gp-primary); margin: 0 0 8px; line-height: 1.3; letter-spacing: -0.02em; }
.gp-page h1 + p { color: var(--gp-text-secondary); font-size: 1.05rem; }
.gp-page h2 { font-size: 1.5rem; font-weight: 600; color: var(--gp-primary); margin: 32px 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--gp-border); }
.gp-page h3 { font-size: 1.2rem; font-weight: 600; color: var(--gp-primary-light); margin: 24px 0 10px; }
.gp-page h3 strong { font-weight: 600; }
.gp-page p { font-size: 1rem; color: var(--gp-text); margin: 0 0 14px; line-height: 1.7; }
.gp-page ul, .gp-page ol { margin: 8px 0 16px; padding-left: 24px; }
.gp-page li { font-size: 1rem; line-height: 1.7; margin-bottom: 6px; color: var(--gp-text); }
.gp-page a { color: var(--gp-primary-light); text-decoration: none; transition: var(--gp-transition); }
.gp-page a:hover { color: var(--gp-primary); text-decoration: underline; }

/* --- Hero Section --- */
.gp-hero { background: linear-gradient(135deg, var(--gp-primary) 0%, var(--gp-primary-light) 100%); color: #fff; border-radius: var(--gp-radius); padding: 40px 36px; margin-bottom: 32px; text-align: center; }
.gp-hero h1 { color: #fff; font-size: 2.2rem; margin: 0 0 8px; }
.gp-hero p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin: 0; }
.gp-hero .gp-version { display: inline-block; background: rgba(255,255,255,0.15); color: #fff; padding: 4px 16px; border-radius: 20px; font-size: 0.9rem; margin-top: 12px; }
.gp-hero .gp-version a { color: #fff; text-decoration: underline; }

/* --- Cards --- */
.gp-card { background: var(--gp-card-bg); border: 1px solid var(--gp-border); border-radius: var(--gp-radius); padding: 24px 28px; margin-bottom: 20px; box-shadow: var(--gp-shadow); transition: var(--gp-transition); }
.gp-card:hover { box-shadow: var(--gp-shadow-hover); }
.gp-card h3 { margin-top: 0; }
.gp-card p:last-child { margin-bottom: 0; }

.gp-card-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 20px 0; }
.gp-card-row .gp-card { margin-bottom: 0; }

/* --- Version Comparison Cards --- */
.gp-version-cards { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; margin: 28px 0; }
.gp-version-card { background: var(--gp-card-bg); border: 1px solid var(--gp-border); border-radius: var(--gp-radius); padding: 28px 24px; box-shadow: var(--gp-shadow); transition: var(--gp-transition); text-align: center; }
.gp-version-card:hover { box-shadow: var(--gp-shadow-hover); transform: translateY(-2px); }
.gp-version-card h3 { font-size: 1.15rem; color: var(--gp-primary); margin: 0 0 6px; }
.gp-version-card .gp-badge { display: inline-block; background: var(--gp-primary-lighter); color: var(--gp-primary); font-size: 0.8rem; padding: 2px 12px; border-radius: 12px; margin-bottom: 12px; }
.gp-version-card p { font-size: 0.95rem; color: var(--gp-text-secondary); margin: 0 0 12px; line-height: 1.6; }
.gp-version-card ul { list-style: none; padding: 0; margin: 0 0 16px; text-align: left; }
.gp-version-card ul li { padding: 5px 0 5px 20px; font-size: 0.92rem; border-bottom: 1px solid var(--gp-border); position: relative; }
.gp-version-card ul li:before { content: "✓"; position: absolute; left: 0; color: var(--gp-primary-light); font-weight: bold; }
.gp-version-card.recommended { border-color: var(--gp-primary-light); border-width: 2px; position: relative; }

/* --- Buttons --- */
.gp-btn { display: inline-block; padding: 10px 28px; border-radius: 6px; font-weight: 600; font-size: 0.95rem; text-decoration: none; transition: var(--gp-transition); cursor: pointer; border: none; }
.gp-btn-primary { background: var(--gp-primary); color: #fff !important; }
.gp-btn-primary:hover { background: var(--gp-primary-light); text-decoration: none !important; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(26,54,93,0.25); }
.gp-btn-secondary { background: transparent; color: var(--gp-primary-light) !important; border: 2px solid var(--gp-primary-light); }
.gp-btn-secondary:hover { background: var(--gp-primary-lighter); text-decoration: none !important; }
.gp-btn-group { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 20px 0; }

/* --- Tables --- */
.gp-table-wrap { overflow-x: auto; margin: 20px 0; border-radius: var(--gp-radius); border: 1px solid var(--gp-border); }
.gp-table-wrap table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.gp-table-wrap th { background: var(--gp-primary); color: #fff; padding: 12px 16px; text-align: left; font-weight: 600; }
.gp-table-wrap td { padding: 10px 16px; border-bottom: 1px solid var(--gp-border); vertical-align: top; }
.gp-table-wrap tr:last-child td { border-bottom: none; }
.gp-table-wrap tr:nth-child(even) td { background: #f7fafc; }
.gp-table-wrap tr:hover td { background: var(--gp-primary-lighter); }

/* --- Feature List (Two-column) --- */
.gp-feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 16px 0; }
.gp-feat-item { display: flex; align-items: flex-start; gap: 10px; padding: 12px 16px; background: var(--gp-card-bg); border: 1px solid var(--gp-border); border-radius: var(--gp-radius); box-shadow: var(--gp-shadow); }
.gp-feat-icon { width: 20px; height: 20px; min-width: 20px; color: var(--gp-primary-light); margin-top: 3px; }
.gp-feat-text { font-size: 0.95rem; line-height: 1.5; }

/* --- Info Boxes --- */
.gp-info-box { background: var(--gp-primary-lighter); border-left: 4px solid var(--gp-primary-light); border-radius: 0 var(--gp-radius) var(--gp-radius) 0; padding: 16px 20px; margin: 16px 0; }
.gp-info-box p { margin: 0; font-size: 0.95rem; color: var(--gp-text-secondary); }
.gp-info-box strong { color: var(--gp-primary); }

.gp-warning-box { background: #fffff0; border-left: 4px solid #d69e2e; border-radius: 0 var(--gp-radius) var(--gp-radius) 0; padding: 16px 20px; margin: 16px 0; }

/* --- Tag / Label --- */
.gp-tag { display: inline-block; background: #edf2f7; color: var(--gp-text-secondary); font-size: 0.8rem; padding: 2px 10px; border-radius: 4px; }

/* --- Section Spacing --- */
.gp-section { margin: 32px 0; }

/* --- HR --- */
.gp-page hr { border: none; border-top: 1px solid var(--gp-border); margin: 32px 0; }

/* --- Update/News List --- */
.gp-update-item { padding: 16px 0; border-bottom: 1px solid var(--gp-border); }
.gp-update-item:last-child { border-bottom: none; }
.gp-update-item .gp-update-date { font-size: 0.85rem; color: var(--gp-text-muted); margin-bottom: 4px; }
.gp-update-item h4 { font-size: 1.05rem; color: var(--gp-primary); margin: 0 0 6px; }

/* --- Download Section --- */
.gp-download-box { background: linear-gradient(135deg, #f0f4ff 0%, #e8edf4 100%); border: 1px solid var(--gp-border); border-radius: var(--gp-radius); padding: 24px 28px; text-align: center; margin: 24px 0; }

/* --- Testimonial --- */
.gp-testimonial { font-style: italic; color: var(--gp-text-secondary); border-left: 3px solid var(--gp-primary-light); padding-left: 20px; margin: 20px 0; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .gp-page { padding: 16px; }
  .gp-hero { padding: 28px 20px; }
  .gp-hero h1 { font-size: 1.6rem; }
  .gp-card-row { grid-template-columns: 1fr; }
  .gp-version-cards { grid-template-columns: 1fr; }
  .gp-feat-grid { grid-template-columns: 1fr; }
  .gp-page h1 { font-size: 1.5rem; }
  .gp-page h2 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
  .gp-hero { padding: 20px 16px; }
  .gp-hero h1 { font-size: 1.3rem; }
  .gp-version-cards { gap: 16px; }
}