:root{--bg: #f5f2ed;--bg-card: #ffffff;--bg-sidebar: #2d2a24;--text: #2d2a24;--text-secondary: #7a756e;--text-muted: #a09b94;--text-on-dark: #f5f2ed;--border: #e0dbd4;--border-strong: #2d2a24;--primary: #2d2a24;--accent: #c0392b;--accent-hover: #a93226;--success: #1e8449;--warning: #b7950b;--danger: #c0392b;--shadow: 0 2px 8px rgba(45, 42, 36, .08);--shadow-lg: 0 8px 24px rgba(45, 42, 36, .12);--radius: 4px;--font: "Space Grotesk", sans-serif;--font-mono: "JetBrains Mono", monospace;--alert-error-bg: #fdf2f2;--alert-success-bg: #f0faf4}[data-theme=dark]{--bg: #161412;--bg-card: #1f1d1b;--bg-sidebar: #0f0e0c;--text: #e0dcd5;--text-secondary: #918d87;--text-muted: #6b6762;--text-on-dark: #e0dcd5;--border: #353330;--border-strong: #e0dcd5;--shadow: 0 2px 8px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--alert-error-bg: #2a1414;--alert-success-bg: #0f2418}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #161412;--bg-card: #1f1d1b;--bg-sidebar: #0f0e0c;--text: #e0dcd5;--text-secondary: #918d87;--text-muted: #6b6762;--text-on-dark: #e0dcd5;--border: #353330;--border-strong: #e0dcd5;--shadow: 0 2px 8px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--alert-error-bg: #2a1414;--alert-success-bg: #0f2418}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px;-webkit-font-smoothing:antialiased}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;transition:background .2s,color .2s}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{font-weight:600;letter-spacing:-.02em}h1{font-size:1.75rem}h2{font-size:1.35rem}h3{font-size:1.1rem}.app-layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--bg-sidebar);color:var(--text-on-dark);padding:2rem 1rem;display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0;height:100vh;z-index:30;transition:transform .25s,width 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1rem;gap:.5rem}.sidebar-logo{margin-bottom:0;font-size:1rem;flex:1}.hamburger{display:flex}.sidebar-nav{display:none;position:fixed;top:52px;left:0;right:0;bottom:0;background:var(--bg-sidebar);padding:.75rem 1rem;z-index:30;overflow-y:auto}.sidebar-nav.open{display:flex}.sidebar-overlay{display:block}.desktop-only{display:none}.mobile-only{display:flex;margin-top:auto;border-top:1px solid rgba(255,255,255,.06);padding:.75rem 0 0}.main-area{padding:1rem;max-width:100%}.page-header{flex-direction:column;align-items:flex-start}.chart-grid,.detail-grid,.card-grid{grid-template-columns:1fr}.card-header{flex-direction:column;align-items:flex-start}.steps{flex-wrap:nowrap;overflow-x:auto;padding-bottom:.25rem;-webkit-overflow-scrolling:touch}.stat-value{font-size:1.25rem}.auth-card{box-shadow:4px 4px 0 var(--border-strong);padding:1.5rem}.landing-hero h1{font-size:1.8rem}.landing-stats{grid-template-columns:1fr}}@media (min-width: 768px) and (max-width: 1024px){.sidebar{width:180px}.sidebar-logo{font-size:1rem}.main-area{padding:1.5rem;max-width:100%}.chart-grid{grid-template-columns:1fr 1fr}}@media (min-width: 1025px){.main-area{padding:2rem 2.5rem;max-width:1100px;margin:0 auto}}