:root{--ink:#171b24;--ink-soft:#6b7080;--bg:#f3f4f7;--card:#fff;--border:#e7e8ed;--red:#c1432e;--red-bg:#fbeae7;--amber:#b8791e;--amber-bg:#fcf2e2;--blue:#2c5dba;--blue-bg:#e9effb;--green:#22824a;--green-bg:#e8f5ec;--purple:#6b3fa0;--purple-bg:#f1eaf8;--brand:#3454d1;--brand-dark:#24399e;--brand-light:#6c87e8;--brand-bg:#eef1fd;--brand-glow:#3454d147;--accent:#e8a33d;--sidebar-bg:#12141c;--sidebar-bg-2:#1a1e2e;--sidebar-active:#6c87e82e;--sidebar-text:#8a8fa0;--sidebar-text-active:#fff;--radius:10px;--shadow:0 1px 2px #171b240a, 0 6px 16px #171b240f;--shadow-lg:0 10px 28px #171b2424}*{box-sizing:border-box}body{background:radial-gradient(900px 480px at 12% -8%, #3454d10f, transparent), var(--bg);color:var(--ink);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif}button{cursor:pointer;font-family:inherit}a{color:inherit}.app-shell{min-height:100vh;display:flex}.sidebar{background:linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg-2) 100%);flex-direction:column;flex-shrink:0;justify-content:space-between;width:220px;padding:24px 0;display:flex}.sidebar-top{justify-content:space-between;align-items:center;display:flex}.sidebar-brand{border-bottom:1px solid #ffffff14;flex:1;align-items:center;gap:10px;min-width:0;margin-bottom:20px;padding:0 24px 20px;display:flex}.sidebar-logo{object-fit:contain;flex-shrink:0;width:30px;height:30px}.sidebar-brand-name{color:#fff;font-size:16px;font-weight:700}.sidebar-brand-sub{color:var(--sidebar-text);letter-spacing:1px;font-size:10px}.sidebar-hamburger{background:0 0;border:none;flex-direction:column;flex-shrink:0;justify-content:center;gap:4px;width:32px;height:32px;margin-right:16px;padding:0;display:none}.sidebar-hamburger span{background:#fff;border-radius:2px;width:100%;height:2px;display:block}.sidebar-body{flex-direction:column;flex:1;justify-content:space-between;display:flex}.sidebar-nav{padding:0 12px}.sidebar-link{color:var(--sidebar-text);border-left:3px solid #0000;border-radius:6px;margin-bottom:4px;padding:10px 16px;font-size:13px;font-weight:400;text-decoration:none;transition:background .15s,color .15s;display:block}.sidebar-link:hover{color:#fff}.sidebar-link-active{color:var(--sidebar-text-active);background:var(--sidebar-active);border-left:3px solid var(--brand-light);font-weight:600}.sidebar-footer{padding:0 24px}.sidebar-account{align-items:center;gap:10px;margin-bottom:12px;display:flex}.sidebar-avatar{background:linear-gradient(135deg, var(--brand-light), var(--brand-dark));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:11px;font-weight:700;display:flex;box-shadow:0 2px 6px #0000004d}.sidebar-account-name{color:#fff;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:600;overflow:hidden}.sidebar-footer-links{gap:12px;display:flex}.sidebar-footer-link{color:var(--sidebar-text);cursor:pointer;background:0 0;border:none;padding:0;font-size:12px;text-decoration:none}.sidebar-footer-link:hover{color:#fff}.main-content{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:32px 40px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);transition:box-shadow .15s,transform .15s,border-color .15s}button.card:hover:not(:disabled){box-shadow:var(--shadow-lg);border-color:var(--brand-light);transform:translateY(-1px)}button.card:disabled{opacity:.6;cursor:default;transform:none}.card-hover:hover{box-shadow:var(--shadow-lg);border-color:var(--brand-light);transform:translateY(-2px)}.hero-card{background:linear-gradient(135deg,#12141c 0%,#1b2140 55%,#2a2f58 100%);border-radius:16px;justify-content:space-between;align-items:center;gap:32px;padding:32px 36px;display:flex;position:relative;overflow:hidden;box-shadow:0 12px 32px #141a3c47}.hero-card:before{content:"";pointer-events:none;background:radial-gradient(circle,#6c87e859,#0000 70%);width:280px;height:280px;position:absolute;top:-70px;right:-70px}.hero-card:after{content:"";pointer-events:none;background:radial-gradient(circle,#e8a33d29,#0000 70%);width:220px;height:220px;position:absolute;bottom:-90px;left:-40px}.hero-card>*{position:relative}@media (width<=900px){.hero-card{flex-direction:column;align-items:flex-start}}.landing-container{padding:0 40px 80px}.landing-nav{padding:20px 40px}.landing-grid-3{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.landing-grid-2{grid-template-columns:repeat(2,1fr);gap:20px;max-width:720px;display:grid}.landing-hero-title{font-size:38px}@media (width<=760px){.landing-container,.landing-nav{padding-left:20px;padding-right:20px}.landing-grid-3,.landing-grid-2{grid-template-columns:1fr;max-width:100%}.landing-hero-title{font-size:28px}}.flag-row{transition:box-shadow .15s,transform .15s,border-color .15s}.flag-row:hover{border-color:var(--brand-light);transform:translateY(-1px);box-shadow:0 6px 18px #3454d11f}.auth-page{background:radial-gradient(900px 520px at 50% -12%, #3454d11a, transparent), var(--bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.auth-card{background:var(--card);border:1px solid var(--border);width:380px;box-shadow:var(--shadow-lg);border-radius:12px;padding:36px 32px 32px;position:relative;overflow:hidden}.auth-card:before{content:"";background:linear-gradient(90deg, var(--brand), var(--accent));height:4px;position:absolute;top:0;left:0;right:0}.auth-card h1{margin:0 0 4px;font-size:20px}.auth-card .subtitle{color:var(--ink-soft);margin:0 0 24px;font-size:13px}.field{margin-bottom:16px}.field label{color:var(--ink-soft);margin-bottom:6px;font-size:12px;font-weight:600;display:block}.field input{border:1px solid var(--border);border-radius:8px;width:100%;padding:10px 12px;font-size:14px;transition:border-color .15s,box-shadow .15s}.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-glow);outline:none}.btn-primary{background:linear-gradient(135deg, var(--brand), var(--brand-dark));color:#fff;width:100%;box-shadow:0 2px 10px var(--brand-glow);border:none;border-radius:8px;padding:11px;font-size:14px;font-weight:600;transition:box-shadow .15s,transform .15s,background .15s}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg, var(--brand-light), var(--brand));box-shadow:0 6px 20px var(--brand-glow);transform:translateY(-1px)}.btn-primary:disabled{opacity:.6;cursor:default;box-shadow:none;transform:none}.error-text{color:var(--red);margin:-8px 0 16px;font-size:13px}.auth-switch{text-align:center;color:var(--ink-soft);margin-top:20px;font-size:13px}.auth-switch a{color:var(--brand);font-weight:600;text-decoration:none}@media (width<=820px){.app-shell{flex-direction:column;min-height:auto}.sidebar{width:100%;padding:0}.sidebar-top{padding:14px 20px}.sidebar-brand{border-bottom:none;margin-bottom:0;padding:0}.sidebar-hamburger{display:flex}.sidebar-body{padding:0 20px 18px;display:none}.sidebar-body-open{display:flex}.sidebar-nav{padding:6px 0 0}.sidebar-footer{border-top:1px solid #ffffff14;margin-top:6px;padding:14px 0 0}.main-content{padding:20px}}@media (width<=480px){.main-content{padding:16px}}.form-grid-2{grid-template-columns:1fr 1fr;gap:10px;display:grid}@media (width<=820px){.form-grid-2{grid-template-columns:1fr}}