@import url('../calculator/style.css');
/* ===== Layout (shared with calculator) ===== */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 28px;
  align-items: stretch;
}

.calc-main {
  min-width: 0;
}

.calc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 2px 4px 0 rgb(15 23 42 / 0.08), 0 10px 25px -5px rgb(15 23 42 / 0.08), 0 1px 3px 0 rgb(79 70 229 / 0.05);
  max-width: 560px;
  margin: 0 auto;
}

.calc-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-section {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.sidebar-header {
  text-align: center;
  padding: 24px 16px !important;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  border-color: transparent !important;
}

.sidebar-header h1 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.sidebar-header p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.85);
}

body[data-theme="dark"] .sidebar-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-title i {
  color: var(--primary);
  font-size: 0.9rem;
}

.sidebar-tools {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-tool {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  transition: all 0.2s ease;
  text-decoration: none;
  background: var(--bg-soft);
}

.sidebar-tool:hover {
  background: var(--primary-50);
  transform: translateX(3px);
}

.sidebar-tool-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-tool-icon.calc { background: linear-gradient(135deg, #6366f1, #8b5cf6); color: #fff; }
.sidebar-tool-icon.age { background: linear-gradient(135deg, #ec4899, #f472b6); color: #fff; }

.sidebar-tool-info {
  flex: 1;
  min-width: 0;
}

.sidebar-tool-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

.sidebar-tool-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

body[data-theme="dark"] .sidebar-section {
  background: var(--bg-card);
  border-color: var(--border);
}

body[data-theme="dark"] .sidebar-tool {
  background: var(--bg-muted);
}

body[data-theme="dark"] .sidebar-tool:hover {
  background: var(--primary-50);
}

/* ===== Ad Placeholder ===== */
.ad-placeholder {
  width: 300px;
  height: 250px;
  flex-shrink: 0;
  margin: 0 auto;
  background: var(--bg-card);
  border: 2px dashed var(--border);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.ad-placeholder .ad-icon {
  font-size: 1.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  opacity: 0.4;
}

.ad-placeholder .ad-label { font-weight: 600; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 4px; }
.ad-placeholder .ad-size { font-size: 0.75rem; color: var(--text-muted); opacity: 0.6; }

body[data-theme="dark"] .ad-placeholder {
  background: var(--bg-card);
  border-color: var(--border);
}

/* ===== SEO Content ===== */
.calc-seo {
  margin-top: 24px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.calc-seo p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.calc-seo kbd {
  display: inline-block;
  padding: 1px 6px;
  font-size: 0.78rem;
  font-family: "SF Mono", Monaco, Consolas, monospace;
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 1px 0 var(--border);
  line-height: 1.4;
  color: var(--text);
}

body[data-theme="dark"] .calc-seo {
  background: var(--bg-card);
  border-color: var(--border);
}

body[data-theme="dark"] .calc-seo kbd {
  background: var(--bg-muted);
  border-color: var(--border);
  color: var(--text);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .calc-layout { grid-template-columns: 1fr 280px; gap: 20px; }
}

@media (max-width: 860px) {
  .calc-layout { grid-template-columns: 1fr; }
  .calc-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .calc-card { max-width: 100%; }
}

@media (max-width: 640px) {
  .calc-sidebar { grid-template-columns: 1fr; }
}

/* ===== Original Scientific Calculator Styles ===== */


.sci-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.sci-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.sci-mode-row {
  justify-content: flex-end;
  gap: 6px;
  margin-bottom: 14px;
}

.sci-mode {
  padding: 6px 14px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-soft);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}

.sci-mode.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.sci-grid .calc-btn {
  height: 50px;
  font-size: 15.5px;
}

.sci-grid .calc-btn.func {
  font-size: 14px;
}

.sci-grid .calc-btn.equals {
  font-size: 18px;
}

@media (max-width: 560px) {
  .sci-grid { grid-template-columns: repeat(5, 1fr); gap: 6px; }
  .sci-grid .calc-btn { height: 46px; font-size: 14px; }
  .sci-grid .calc-btn.func { font-size: 12.5px; }
}

body[data-theme="dark"] .sci-mode {
  background: #1e293b;
  color: #94a3b8;
  border-color: #334155;
}
body[data-theme="dark"] .sci-mode:hover {
  background: #334155;
}
body[data-theme="dark"] .sci-mode.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.3);
}