:root {
    --primary-color: #0078d4;
    --primary-hover: #106ebe;
    --card-bg: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: auto !important; min-height: 100%; max-height: none; overflow: visible; }
body { font-family: 'Segoe UI', sans-serif; background: #f5f7fa; color: var(--text-primary); line-height: 1.6; }
.container { max-width: 100%; width: 100%; margin: 0; padding: 0; height: auto !important; min-height: 100vh; max-height: none; }
header { 
    padding: 20px; 
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); 
    color: white; 
    border-radius: 0; 
    margin: 0; 
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}
header h1 { font-size: 2em; margin: 0; display: flex; align-items: center; justify-content: center; gap: 10px; }
header .subtitle { margin: 5px 0 0 0; opacity: 0.9; font-size: 1.1em; color: white; }
header div { flex: initial; }
/* Back button specific for header */
header .btn-back {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    margin: 0;
}
header .btn-back:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}
main { height: auto !important; overflow: visible !important; padding: 20px; }
.card { background: var(--card-bg); border-radius: 0; padding: 30px; margin: 0; box-shadow: var(--shadow); height: auto; overflow: visible; }
.card h2 { color: var(--primary-color); margin-bottom: 20px; border-bottom: 3px solid var(--primary-color); padding-bottom: 10px; }
#comparisonReportSection { height: auto !important; min-height: auto !important; max-height: none !important; }
#iframeContainer { height: auto !important; overflow: visible !important; }
.environment-buttons { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.env-btn { background: #f5f5f5; border: 2px solid var(--border-color); border-radius: 10px; padding: 30px 20px; cursor: pointer; transition: all 0.3s; display: flex; flex-direction: column; align-items: center; gap: 10px; font-size: 1.1em; }
.env-btn:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--primary-color); }
.env-btn.active { background: var(--primary-color); color: white; }
.env-icon { font-size: 3em; }
.snapshot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; margin-top: 15px; }
.snapshot-card { background: white; border: 2px solid var(--border-color); border-radius: 8px; padding: 20px; cursor: pointer; transition: all 0.3s; position: relative; }
.snapshot-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--primary-color); }
.spinner { text-align: center; padding: 40px; }
.spinner-border { width: 50px; height: 50px; border: 5px solid #f5f5f5; border-top-color: var(--primary-color); border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 15px; }
@keyframes spin { to { transform: rotate(360deg); } }
footer { text-align: center; padding: 30px 20px; color: var(--text-secondary); margin-top: 40px; border-top: 2px solid var(--border-color); }
.detail-link { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; background: var(--primary-color); color: white; text-decoration: none; border-radius: 5px; font-weight: 600; transition: all 0.3s; margin: 5px; }
.detail-link:hover { background: var(--primary-hover); transform: translateY(-2px); }
/* Tab buttons for Individual Exports / Comparison */
.snapshot-type-tabs { display: flex; gap: 10px; margin-bottom: 25px; justify-content: center; flex-wrap: wrap; }
.tab-btn { background: #f5f5f5; border: 2px solid var(--border-color); border-radius: 8px; padding: 12px 24px; cursor: pointer; transition: all 0.3s; font-size: 0.95em; font-weight: 600; color: var(--text-primary); display: inline-flex; align-items: center; gap: 8px; }
.tab-btn:hover { transform: translateY(-2px); box-shadow: 0 3px 10px rgba(0,0,0,0.12); border-color: var(--primary-color); background: #ffffff; }
.tab-btn.active { background: var(--primary-color); color: white; border-color: var(--primary-color); box-shadow: 0 3px 10px rgba(0,120,212,0.25); }
/* Date Filter */
.date-filter-container { margin-bottom: 25px; }
.date-filter { display: flex; align-items: center; gap: 15px; padding: 20px; background: #f8f9fa; border-radius: 10px; border: 2px solid var(--border-color); flex-wrap: wrap; justify-content: center; }
.date-filter label { font-weight: 600; color: var(--text-primary); font-size: 1.1em; }
.date-filter input[type="date"] { padding: 10px 15px; border: 2px solid var(--border-color); border-radius: 8px; font-size: 1em; min-width: 160px; transition: all 0.3s; }
.date-filter input[type="date"]:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(0,120,212,0.1); }
.filter-btn { background: var(--primary-color); color: white; border: none; border-radius: 8px; padding: 10px 25px; font-size: 1.1em; font-weight: 600; cursor: pointer; transition: all 0.3s; }
.filter-btn:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,120,212,0.3); }
.filter-btn-reset { background: var(--primary-color); color: white; border: none; border-radius: 8px; padding: 10px 25px; font-size: 1.1em; font-weight: 600; cursor: pointer; transition: all 0.3s; }
.filter-btn-reset:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,120,212,0.3); }
/* Details Header with Back Button */
.details-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding: 20px; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); border-radius: 12px; }
.details-header h2 { color: white; margin: 0; border: none; padding: 0; }
.btn-back { background: rgba(255,255,255,0.2); color: white; border: none; padding: 10px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.3s; display: inline-flex; align-items: center; gap: 8px; }
.btn-back:hover { background: rgba(255,255,255,0.3); transform: translateY(-2px); }

/* Comparison Card Styles */
.comparison-card { background: white; border: 2px solid #e0e0e0; border-radius: 12px; padding: 20px; cursor: pointer; transition: all 0.3s; position: relative; display: flex; flex-direction: column; gap: 15px; }
.comparison-card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(0,0,0,0.1); border-color: #0078d4; }
.comparison-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #f0f0f0; padding-bottom: 12px; }
.comparison-badge { font-size: 0.85em; font-weight: 700; padding: 6px 12px; border-radius: 20px; text-transform: uppercase; letter-spacing: 0.5px; }
.badge-test-prod { background: #e3f2fd; color: #0d47a1; border: 1px solid #bbdefb; }
.badge-test-test { background: #fff3e0; color: #e65100; border: 1px solid #ffe0b2; }
.badge-prod-prod { background: #e8f5e9; color: #1b5e20; border: 1px solid #c8e6c9; }
.badge-cross-env { background: #f3e5f5; color: #4a148c; border: 1px solid #e1bee7; }
.badge-default { background: #f5f5f5; color: #616161; }
.comparison-date { font-size: 0.9em; color: #7f8c8d; font-weight: 500; }
.comparison-stats { display: flex; justify-content: space-between; align-items: center; background: #f8f9fa; padding: 12px; border-radius: 8px; }
.stat-item { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.stat-value { font-size: 1.4em; font-weight: 700; color: #2c3e50; line-height: 1; }
.stat-label { font-size: 0.8em; color: #7f8c8d; text-transform: uppercase; letter-spacing: 0.5px; }
.btn-view-report { background: none; border: none; color: #0078d4; font-weight: 600; cursor: pointer; padding: 8px 16px; border-radius: 6px; transition: all 0.2s; font-size: 0.9em; }
.btn-view-report:hover { background: #e3f2fd; text-decoration: none; }