*{margin:0;padding:0;box-sizing:border-box}:root{--sidebar-bg:#0f172a;--sidebar-w:240px;--practice:#16a34a;--practice-lt:#dcfce7;--weekly:#7c3aed;--weekly-lt:#ede9fe;--match:#dc2626;--match-lt:#fee2e2;--opponent:#2563eb;--opponent-lt:#dbeafe;--tip:#0891b2;--tip-lt:#cffafe;--coach:#0f766e;--coach-lt:#ccfbf1;--accent:#facc15;--text:#1e293b;--muted:#64748b;--bg:#f8fafc;--border:#e2e8f0;--shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);--shadow-lg:0 10px 25px rgba(0,0,0,.12)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.auth-bg{min-height:100vh;background:linear-gradient(135deg,#0f172a,#0d2a4a,#0f172a);display:flex;align-items:center;justify-content:center;padding:24px;position:relative;overflow:hidden}.auth-bg:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:repeating-linear-gradient(0deg,transparent,transparent 70px,rgba(255,255,255,.018) 70px,rgba(255,255,255,.018) 71px),repeating-linear-gradient(90deg,transparent,transparent 70px,rgba(255,255,255,.018) 70px,rgba(255,255,255,.018) 71px)}.auth-card{background:#fff;border-radius:24px;padding:36px;width:100%;max-width:440px;box-shadow:0 24px 60px #00000073;position:relative;z-index:1}.auth-logo{display:flex;align-items:center;gap:13px;margin-bottom:28px;justify-content:center}.auth-ball{width:46px;height:46px;background:radial-gradient(circle at 38% 38%,#fde047,#f59e0b);border-radius:50%;flex-shrink:0;box-shadow:0 4px 14px #f59e0b73;position:relative;animation:spin 10s linear infinite}.auth-ball:before{content:"";position:absolute;inset:7px;border:2.5px solid rgba(255,255,255,.55);border-radius:50%;border-left-color:transparent;border-right-color:transparent;transform:rotate(-35deg)}@keyframes 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