:root{--bg-primary: #0a0b0d;--bg-secondary: #14161a;--bg-tertiary: #1c1f26;--bg-hover: #2c2f36;--border-subtle: rgba(255, 255, 255, .08);--border-bright: rgba(255, 255, 255, .15);--text-main: #ffffff;--text-muted: #94a3b8;--accent-primary: #3b82f6;--accent-secondary: #8b5cf6;--accent-success: #10b981;--accent-danger: #ef4444;--font-family: "Inter", system-ui, -apple-system, sans-serif;--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .3), 0 10px 10px -5px rgba(0, 0, 0, .2)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-main);-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}.glass-card{background:#14161ab3;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:16px;box-shadow:var(--shadow-lg)}.premium-input{background:var(--bg-tertiary);border:1px solid var(--border-subtle);color:#fff;padding:12px 16px;border-radius:10px;font-size:14px;transition:all .2s;width:100%}.premium-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #3b82f626}.premium-button{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff;padding:12px 24px;border-radius:10px;font-weight:600;border:none;cursor:pointer;transition:transform .2s,opacity .2s;display:flex;align-items:center;justify-content:center;gap:8px}.premium-button:hover{transform:translateY(-1px);opacity:.9}.premium-button:active{transform:translateY(0)}.premium-button:disabled{opacity:.5;cursor:not-allowed}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top right,rgba(59,130,246,.1),transparent),radial-gradient(circle at bottom left,rgba(139,92,246,.15),transparent)}.auth-card{width:100%;max-width:420px;padding:40px}.brand-logo{font-size:24px;font-weight:800;letter-spacing:-.5px;background:linear-gradient(to right,#fff,#94a3b8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px;text-align:center}.mnemonic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:20px 0}.word-chip{background:var(--bg-hover);padding:8px;border-radius:6px;font-size:12px;text-align:center;border:1px solid var(--border-subtle)}.word-chip span{color:var(--text-muted);font-size:10px;margin-right:4px}.dashboard-layout{display:grid;grid-template-columns:260px 1fr;height:100vh}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border-subtle);padding:24px}.main-content{padding:32px;overflow-y:auto}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-bottom:32px}.stat-card{padding:24px}.stat-label{color:var(--text-muted);font-size:13px;margin-bottom:8px}.stat-value{font-size:24px;font-weight:700}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--bg-hover)}