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16px;--radius-lg: 28px;--shadow: 0 4px 24px rgba(0, 0, 0, .08);--shadow-card: 0 2px 16px rgba(0, 0, 0, .07);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .12);--mono: "JetBrains Mono", monospace}[data-theme=dark]{--blue: #3b82f6;--blue-dark: #2563eb;--blue-mid: #60a5fa;--teal: #14b8a6;--teal-dark: #0d9488;--dark: #e2e8f0;--text-dark: #f1f5f9;--text-mid: #94a3b8;--text-light: #64748b;--bg: #0f172a;--bg-card: #1e293b;--bg-sidebar: #162032;--blue-light: rgba(59, 130, 246, .15);--teal-light: rgba(20, 184, 166, .15);--border: #334155;--border-focus: #3b82f6;--shadow: 0 4px 24px rgba(0, 0, 0, .4);--shadow-card: 0 2px 16px rgba(0, 0, 0, .35);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .5)}.sci-grid-bg{position:relative}.sci-grid-bg:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:48px 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#2563eb1f;background:var(--bg-card)}.auth-input.has-icon{padding-left:42px;padding-right:16px}.auth-input-icon{position:absolute;left:13px;right:auto;top:50%;transform:translateY(-50%);color:var(--text-light);cursor:pointer;background:none;border:none;padding:2px;display:flex;align-items:center;transition:color .2s}.auth-input-icon:hover{color:var(--blue)}.auth-row{display:flex;align-items:center;justify-content:space-between}.auth-check-label{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--text-mid);cursor:pointer}.auth-check-label input[type=checkbox]{accent-color:var(--blue);width:15px;height:15px}.link-blue{font-size:.88rem;color:var(--blue);font-weight:600;text-decoration:none;transition:opacity .2s}.link-blue:hover{opacity:.75}.btn-auth{width:100%;background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;border:none;border-radius:var(--radius-sm);padding:14px;font-family:inherit;font-size:1rem;font-weight:700;cursor:pointer;transition:opacity 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.3s;flex-shrink:0;font-weight:300}.faq-icon--open{transform:rotate(45deg)}.faq-answer{margin-top:14px;font-size:.9rem;color:var(--text-mid);line-height:1.8;border-top:1px solid var(--border);padding-top:14px}.profile-wrap{padding:100px 40px 48px;max-width:1280px;margin:0 auto}.profile-layout{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start}.profile-sidebar{display:flex;flex-direction:column;gap:16px;position:sticky;top:100px}.user-card{background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-card);border:1px solid var(--border);padding:28px 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var(--border)}.profile-main{display:flex;flex-direction:column;gap:24px}.sidebar-nav-item:last-child{border-bottom:none}.sidebar-nav-item:hover{background:var(--bg-sidebar);color:var(--blue)}.sidebar-nav-item.active{background:var(--blue-light);color:var(--blue);font-weight:700}.sidebar-nav-item.active:after{content:"";position:absolute;right:0;left:auto;top:0;bottom:0;width:3px;background:var(--blue);border-radius:2px 0 0 2px}.sidebar-nav-item.danger{color:#dc2626}.sidebar-nav-item.danger:hover{background:#dc26260f;color:#b91c1c}.app-footer{background:var(--bg-card);border-top:1px solid var(--border);padding:32px 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