/* =============================================
   style.css — 版面佈局
   (base.css + components.css 由 index.html 引入)
   ≤ 500 行規範
   ============================================= */

/* ─── Main App Layout ─── */
#app {
  position: relative;
  max-width: var(--max-container);
  margin: 0 auto;
  padding: calc(var(--nav-height) + var(--space-4)) var(--space-4) calc(var(--bottom-bar) + var(--space-4));
}

/* ─── Pages ─── */
.page { display: none; animation: fadeIn 0.2s ease; }
.page.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

.sub-page { display: none; }
.sub-page.active { display: block; animation: fadeIn 0.18s ease; }

/* ─── Section Header ─── */
.section-header { display: flex; align-items: center; gap: var(--space-2); padding: 0 0 var(--space-4); }
.section-icon   { font-size: 1.4rem; line-height: 1; }
.section-header h2 { font-size: var(--text-2xl); font-weight: var(--font-bold); }

/* ─── Desktop ─── */
@media (min-width: 768px) {
  #app { padding-left: var(--space-6); padding-right: var(--space-6); }
  .summary-grid { grid-template-columns: repeat(4, 1fr); }
  .currency-grid { grid-template-columns: repeat(6, 1fr); }
  .modal-overlay { align-items: center; }
  .modal-card { border-radius: var(--radius-xl); max-height: 85vh; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ─── Mobile ─── */
@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
  th, td { padding: 4px 2px; font-size: 10px; line-height: 1.1; word-wrap: break-word; }
  .nav-title { font-size: var(--text-lg); }
  .currency-pill, .bank-badge { font-size: 9px; padding: 1px 3px; }
  .btn-icon { width: 24px; height: 24px; font-size: 0.65rem; }
  .rate-tag { padding: 1px 3px; font-size: 9px; }
}

/* ─── Unified Layout Utilities ─── */
.unified-layout-group {
  width: 100%;
  padding: 0 var(--space-4);
  max-width: var(--max-container);
  margin: 0 auto;
}

.search-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.stock-impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
}

.impact-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.impact-name {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.impact-value {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

/* ───────────────────────────────────────────────
   ULTIMATE MOBILE RESPONSIVE FIX (High Priority)
   ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .summary-grid { 
    grid-template-columns: 1fr !important;
    padding: 0 var(--space-4);
    gap: var(--space-3);
  }
  .summary-card { 
    flex-direction: column !important; 
    align-items: flex-start !important; 
    padding: 16px !important;
    height: auto !important;
  }
  .sc-icon { 
    position: absolute !important; 
    top: 8px; right: 8px; 
    width: 24px; height: 24px; 
    font-size: 0.8rem; 
    opacity: 0.3;
  }
  .hero-card .sc-value { 
    font-size: 6.5vw !important; 
    letter-spacing: -0.05em !important;
    padding-right: 32px;
  }
  .sc-value { 
    font-size: 5.2vw !important; /* 核心：流動字體 */
    letter-spacing: -0.05em !important; 
    font-weight: 900 !important;
    padding-right: 28px;
    line-height: 1.1;
    word-break: break-all;
  }
  .sc-label { font-size: 10px; margin-bottom: 2px !important; }
  .sc-sub   { font-size: 10px; margin-top: 2px !important; }
  .sc-detail { display: grid !important; grid-template-columns: 1fr 1fr; width: 100%; gap: 10px; margin-top: 8px; padding-top: 8px; border-top: 1px dashed rgba(0,0,0,0.1); }
  .sc-detail span { font-size: 9px; flex-direction: column; align-items: flex-start; }
}