:root{--bg:#f7f8fc;--surface:#eef1f7;--white:#fff;--primary:#5542c5;--primary-hover:#4532ab;--primary-soft:#eeecff;--teal:#168f9a;--teal-soft:#e8f7f7;--text:#172033;--text-sec:#66708a;--text-muted:#8d96aa;--border:#e3e7f0;--success:#18794e;--success-bg:#eaf7ef;--danger:#c23d4b;--danger-bg:#fceef0;--warning:#a76b11;--warning-bg:#fff5df}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:'DM Sans',system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.site-header__inner{max-width:1240px;min-height:74px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between;gap:1.25rem}.brand{display:flex;align-items:center;gap:.65rem;color:var(--text);font-family:'Instrument Serif',Georgia,serif;font-size:1.55rem;letter-spacing:-.03em;text-decoration:none}.brand__mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;font-family:Arial,sans-serif;font-size:1.45rem;font-weight:400}.brand b{color:var(--primary)}.site-nav{display:flex;align-items:center;gap:.45rem}.site-nav a{padding:.55rem .8rem;border-radius:8px;color:var(--text-sec);font-size:.88rem;font-weight:600;text-decoration:none}.site-nav a:hover{color:var(--primary);background:var(--primary-soft)}.site-nav .nav-login{border:1px solid var(--border);color:var(--text)}.site-nav .nav-register{background:var(--primary);color:#fff}.site-nav .nav-register:hover{background:var(--primary-hover);color:#fff}.main{max-width:1240px;min-height:calc(100vh - 74px);margin:0 auto;padding:2rem}.footer{max-width:1240px;margin:2rem auto 0;padding:1.5rem 2rem;border-top:1px solid var(--border);color:var(--text-muted);font-size:.82rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;min-height:40px;padding:.6rem 1rem;border:1px solid transparent;border-radius:9px;background:transparent;color:var(--text);font-size:.88rem;font-weight:700;cursor:pointer;text-decoration:none;transition:transform .15s,background .15s,border-color .15s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--white);border-color:var(--border)}.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}.card{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:1.5rem;box-shadow:0 6px 20px rgba(20,31,58,.035)}.flash{display:flex;align-items:center;padding:.8rem 1rem;margin-bottom:1rem;border-radius:10px;font-size:.88rem;font-weight:500}.flash-success{background:var(--success-bg);color:var(--success)}.flash-error{background:var(--danger-bg);color:var(--danger)}.flash-info{background:var(--teal-soft);color:var(--teal)}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:.25rem .6rem;font-size:.72rem;font-weight:700}.badge-success{color:var(--success);background:var(--success-bg)}.badge-warning{color:var(--warning);background:var(--warning-bg)}.badge-muted{color:var(--text-sec);background:var(--surface)}label{display:block;margin-bottom:.4rem;color:var(--text);font-size:.84rem;font-weight:700}input[type=text],input[type=email],input[type=password],input[type=tel],input[type=number],select,textarea{width:100%;border:1.5px solid var(--border);border-radius:9px;background:#fff;color:var(--text);padding:.68rem .8rem;outline:0;transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(85,66,197,.13)}@media(max-width:720px){.site-header__inner{min-height:64px;padding:0 1rem}.site-nav{gap:.1rem}.site-nav a{padding:.45rem .48rem;font-size:.78rem}.site-nav a:first-child{display:none}.brand{font-size:1.35rem}.brand__mark{width:30px;height:30px}.main{padding:1.25rem 1rem}.footer{padding:1.25rem 1rem}.site-nav .nav-login{border:0}.site-nav .nav-register{padding:.5rem .65rem}}