/* CSS Variables for DocWeaver Studio */
:root {
    --bg-main: #F4F7FB;
    --bg-card: #FFFFFF;
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-muted: #9CA3AF;
    --border-color: #E5E7EB;
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --secondary-btn-bg: #9CA3AF;
    --secondary-btn-hover: #6B7280;
    --badge-popular: #4F46E5;
    --badge-value: #D97706;
}
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', system-ui, -apple-system, sans-serif; }
body { background-color: var(--bg-main); color: var(--text-primary); line-height: 1.5; padding-bottom: 40px; }
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 16px 40px; background-color: var(--bg-main); }
.logo { font-size: 18px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.domain { font-weight: 400; color: var(--text-muted); font-size: 14px; }
.nav-links { display: flex; gap: 24px; }
.nav-links a { text-decoration: none; color: var(--text-secondary); font-size: 14px; font-weight: 500; }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.credits-badge { background-color: #E0E7FF; color: var(--primary-color); padding: 6px 12px; border-radius: 6px; font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.lang-switch { font-size: 13px; font-weight: 500; color: var(--text-secondary); }
.btn { padding: 8px 16px; border-radius: 6px; font-size: 13px; font-weight: 500; cursor: pointer; border: none; transition: all 0.2s; }
.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-secondary); }
.btn-primary { background-color: var(--primary-color); color: white; width: 100%; padding: 12px; }
.btn-secondary { background-color: var(--secondary-btn-bg); color: white; width: 100%; padding: 12px; }
.hero { text-align: center; padding: 40px 20px 30px; }
.hero h1 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.hero .subtitle { font-size: 15px; color: var(--text-secondary); }
.tools-section { max-width: 900px; margin: 0 auto 40px; }
.tools-grid { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.tool-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; padding: 16px 20px; display: flex; flex-direction: column; align-items: center; gap: 12px; min-width: 120px; box-shadow: 0 1px 3px rgba(0,0,0,0.05); text-decoration:none; color:inherit; transition:transform 0.2s; }
.tool-card:hover { transform: translateY(-2px); border-color:var(--primary-color); }
.tool-icon { font-size: 24px; }
.tool-name { font-size: 13px; font-weight: 500; }
.pricing-filter { display: flex; justify-content: center; gap: 8px; margin-bottom: 30px; }
.filter-btn { padding: 8px 16px; border-radius: 20px; border: none; background-color: #E5E7EB; color: var(--text-secondary); font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.filter-btn.active { background-color: #374151; color: white; }
.pricing-section { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; transition: all 0.3s ease; }
.pricing-grid.single-row { max-width: 1100px; margin: 0 auto; }
.pricing-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; padding: 24px; position: relative; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); display: flex; flex-direction: column; height: 100%; transition: all 0.3s ease; }
.pricing-card.tall-card { padding: 48px 32px 32px; }
.pricing-card.popular { border: 2px solid var(--primary-color); box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.1); }
.badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--badge-popular); color: white; padding: 4px 12px; border-radius: 12px; font-size: 11px; font-weight: 600; letter-spacing: 0.5px; white-space: nowrap; }
.value-badge { background: var(--badge-value); }
.card-header { margin-bottom: 16px; }
.tier-name { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.price-row { display: flex; align-items: baseline; flex-wrap: wrap; }
.price { font-size: 28px; font-weight: 700; }
.currency { font-size: 14px; font-weight: 600; margin-left: 4px; }
.credits-count { margin-left: auto; font-size: 14px; font-weight: 500; color: var(--text-primary); }
.tier-desc { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; min-height: 40px; }
.feature-list { list-style: none; margin-bottom: 24px; flex-grow: 1; }
.feature-list li { font-size: 13px; color: var(--text-primary); margin-bottom: 10px; display: flex; align-items: flex-start; }
.pricing-card.tall-card .feature-list li { margin-bottom: 16px; }
.secure-badge { margin-top: 16px; font-size: 11px !important; font-weight: 500; color: var(--text-secondary) !important; }
.footer { text-align: center; margin-top: 60px; font-size: 12px; color: var(--text-muted); }
.tool-workspace { max-width: 800px; margin: 0 auto; padding: 40px 20px; text-align:center; }
.upload-area { border: 2px dashed var(--border-color); padding: 60px 20px; border-radius: 12px; background: white; }
.upload-icon { font-size: 48px; margin-bottom: 16px; }