:root{--bg:#f9fafb;--text:#212529;--card-bg:#ffffff;--card-border:#dee2e6;--navbar-bg:#0d1117;--navbar-text:#d1d5db;--navbar-hover:#ffffff;--footer-bg:#f1f3f5;--footer-text:#495057;--link:#0d6efd;--link-hover:#0a58ca;--hero-bg:linear-gradient(135deg,#0d6efd,#6610f2);--hero-text:#ffffff;--section-bg:#ffffff;--section-alt-bg:#f8f9fa;--section-text:#212529}[data-theme=dark]{--bg:#0d1117;--text:#e5e7eb;--card-bg:#161b22;--card-border:#30363d;--navbar-bg:#161b22;--navbar-text:#9ca3af;--navbar-hover:#ffffff;--footer-bg:#161b22;--footer-text:#9ca3af;--link:#58a6ff;--link-hover:#1f6feb;--hero-bg:linear-gradient(135deg,#1f2937,#111827);--hero-text:#f9fafb;--section-bg:#0d1117;--section-alt-bg:#161b22;--section-text:#e5e7eb}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.6}h1,h2,h3,h4,h5{font-weight:600;margin-bottom:1rem}.navbar{background:var(--navbar-bg)!important;padding:.75rem 1rem}.navbar-brand{font-weight:700;font-size:1.25rem;color:var(--navbar-hover)!important;letter-spacing:.5px}.navbar-nav .nav-link{color:var(--navbar-text)!important;margin-left:1rem;transition:color .2s ease}.navbar-nav .nav-link:focus,.navbar-nav .nav-link:hover{color:var(--navbar-hover)!important}footer{margin-top:4rem;padding:2rem 0;background:var(--footer-bg);color:var(--footer-text);font-size:.95rem}footer a{color:var(--link);text-decoration:none}footer a:hover{color:var(--link-hover);text-decoration:underline}.btn-primary{background-color:var(--link);border-color:var(--link);font-weight:500;padding:.5rem 1.25rem;border-radius:8px}.btn-primary:hover{background-color:var(--link-hover);border-color:var(--link-hover)}.card{background:var(--card-bg)!important;border:1px solid var(--card-border)!important;border-radius:12px;box-shadow:0 1px 4px rgba(0,0,0,.06);color:var(--text)!important}.hero{padding:6rem 0;background:var(--hero-bg);color:var(--hero-text)}.hero h1{font-size:3rem;font-weight:700}.hero p.lead{font-size:1.25rem;margin-top:1rem}.section{padding:4rem 0;background:var(--section-bg);color:var(--section-text)}.section:nth-of-type(2n){background:var(--section-alt-bg)}.section .card{background:var(--card-bg)!important;color:var(--text)!important;box-shadow:0 1px 4px rgba(0,0,0,.08);transition:transform .2s ease}.section .card:hover{transform:translateY(-4px)}[data-theme=dark] .dropdown-menu{background-color:var(--card-bg);border-color:var(--card-border)}[data-theme=dark] .dropdown-item{color:var(--text)}[data-theme=dark] .dropdown-item:hover{background-color:var(--section-alt-bg);color:var(--navbar-hover)}[data-theme=dark] table{color:var(--text);background:var(--card-bg)}[data-theme=dark] .table-striped>tbody>tr:nth-of-type(odd)>*{color:var(--text);background-color:rgba(255,255,255,.03)}[data-theme=dark] .table-bordered>:not(caption)>*>*{border-color:var(--card-border)}[data-theme=dark] .form-control{background-color:var(--card-bg);color:var(--text);border-color:var(--card-border)}[data-theme=dark] .form-control::placeholder{color:var(--navbar-text)}[data-theme=dark] .btn-outline-secondary{color:var(--text);border-color:var(--card-border)}[data-theme=dark] .btn-outline-secondary:hover{background-color:var(--section-alt-bg);color:var(--text)}