@import"https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap";*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--color-card: #ffffff;--color-card-foreground: #0f172a;--color-muted-foreground: #64748b;--color-border: #e2e8f0;--color-primary: #0f172a;--color-primary-foreground: #ffffff;--color-primary-hover: #1e293b;--color-primary-subtle: rgba(15, 23, 42, .2);--color-primary-focus-ring: rgba(15, 23, 42, .5);--color-secondary: #f1f5f9;--color-secondary-foreground: #0f172a;--color-secondary-hover: #e2e8f0;--color-destructive: #dc2626;--color-destructive-foreground: #ffffff;--color-destructive-hover: #b91c1c;--color-surface: #f9fafb;--color-canvas: #f8fafc;--color-overlay-white: rgba(255, 255, 255, .9);--shadow-color-sm: rgba(0, 0, 0, .05);--shadow-color-md: rgba(0, 0, 0, .1);--color-node-thesis-bg: #E8F0FC;--color-node-thesis-border: #4D90D9;--color-node-claim-bg: #dbeafe;--color-node-claim-border: #60a5fa;--color-node-evidence-bg: #dcfce7;--color-node-evidence-border: #4ade80;--color-node-assumption-bg: #fef9c3;--color-node-assumption-border: #facc15;--color-node-counterargument-bg: #fee2e2;--color-node-counterargument-border: #f87171;--color-node-default-bg: #f3f4f6;--color-node-default-border: #9ca3af;--color-node-issues-outline: #f87171;--color-node-issues-pulse-faded: rgba(248, 113, 113, .15);--color-node-label: #4b5563;--color-node-content: #1f2937;--color-node-icon-error: #ef4444;--color-node-icon-success: #22c55e;--color-node-issues-count: #dc2626;--color-node-thesis: #0057B7;--color-node-claim: #3b82f6;--color-node-evidence: #10b981;--color-node-assumption: #f59e0b;--color-node-counter: #ef4444;--color-foreground: #0f172a;--color-muted: #f1f5f9;--color-switch-background: #cbd5e1;--color-accent: #0057B7;--color-accent-dark: #0044AA;--color-accent-to: #1B7FD4;--color-accent-subtle: rgba(0, 87, 183, .08);--color-accent-border-subtle: rgba(0, 87, 183, .2);--color-accent-focus-ring: rgba(0, 87, 183, .1);--color-accent-glow: rgba(0, 87, 183, .3);--color-error: #ef4444;--color-error-bg: rgba(239, 68, 68, .1);--color-error-border: rgba(239, 68, 68, .3);--color-gray-light: #f5f5f7;--color-gray-medium: #e5e7eb;--color-gray-dark: #6a7282;--color-text-light: #6b7280;--color-text-dark: #1f2937;--color-input-bg: #f8f8f9;--color-input-border: #e0e0e0;--color-body-gradient-from: #EEF3FA;--color-body-gradient-to: #DDE6F4;--color-score-good: #16a34a;--color-score-warning: #ca8a04;--color-tips-bg: #fefce8;--color-tips-border: #fde68a;--color-hint: #94a3b8;--color-link: #3b82f6;--color-surface-subtle: rgba(0, 0, 0, .03);--color-graph-bg: #f4f1ee;--color-graph-ctrl-bg: rgba(255, 255, 255, .9);--color-graph-ctrl-border: rgba(0, 0, 0, .08);--color-edge-label-bg: #ffffff;--color-edge-label-border: rgba(0, 0, 0, .08);--color-node-thesis-dark: #0044AA;--color-cyan: #06b6d4;--color-overlay-dark: rgba(0, 0, 0, .3);--color-issues-next-steps: #374151;--color-assumption-bg: rgba(245, 158, 11, .08);--color-assumption-border: rgba(245, 158, 11, .15);--color-edit-panel-bg: rgba(0, 87, 183, .06);--color-edit-panel-border: rgba(0, 87, 183, .15);--color-info-panel-bg: rgba(0, 87, 183, .06);--color-info-panel-border: rgba(0, 87, 183, .12);--color-cyan-bg: rgba(6, 182, 212, .06);--color-cyan-border: rgba(6, 182, 212, .12);--color-counter-card-bg: rgba(239, 68, 68, .05);--color-counter-card-border: rgba(239, 68, 68, .12);--color-counter-accept-border: rgba(239, 68, 68, .2);--color-delete-panel-bg: rgba(239, 68, 68, .06);--color-delete-panel-border: rgba(239, 68, 68, .15);--color-success-dim-bg: rgba(34, 197, 94, .06);--color-success-dim-border: rgba(34, 197, 94, .12);--color-respond-bg: rgba(16, 185, 129, .08);--color-respond-border: rgba(16, 185, 129, .2);--color-expand-bg: rgba(6, 182, 212, .08);--color-expand-border: rgba(6, 182, 212, .2);--color-achievement-gold-from: #fefce8;--color-achievement-gold-to: #fef9c3;--color-achievement-gold-border: #fde047;--color-achievement-green-from: #f0fdf4;--color-achievement-green-to: #dcfce7;--color-achievement-green-border: #86efac;--color-achievement-green-bg: #dcfce7;--color-achievement-green-text: #15803d;--color-achievement-blue-from: #eff6ff;--color-achievement-blue-to: #dbeafe;--color-achievement-blue-border: #93c5fd;--color-achievement-purple-from: #EFF6FF;--color-achievement-purple-to: #DBEAFE;--color-achievement-purple-border: #93C5FD;--color-success-bg: #f0fdf4;--color-success-border: #bbf7d0;--color-success-text: #14532d;--color-success-icon: #16a34a;--color-warning-bg: #fffbeb;--color-warning-border: #fde68a;--color-warning-icon: #d97706;--color-warning-text: #92400e;--radius: 14px;--radius-sm: 8px;--radius-icon: 10px;--radius-pill: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .12);--spacing: 4px;--alert-icon-col-width: 16px}.app-root{min-height:100vh}.dark{--color-card: #13131f;--color-card-foreground: #f1f5f9;--color-muted-foreground: #94a3b8;--color-border: rgba(255, 255, 255, .07);--color-primary: #f1f5f9;--color-primary-foreground: #0f172a;--color-primary-hover: #e2e8f0;--color-primary-subtle: rgba(241, 245, 249, .1);--color-primary-focus-ring: rgba(241, 245, 249, .2);--color-secondary: rgba(255, 255, 255, .06);--color-secondary-foreground: #f1f5f9;--color-secondary-hover: rgba(255, 255, 255, .1);--color-destructive: #f87171;--color-destructive-foreground: #0f172a;--color-destructive-hover: #ef4444;--color-surface: #050D1A;--color-canvas: #050D1A;--color-overlay-white: rgba(9, 21, 37, .92);--color-overlay-dark: rgba(0, 0, 0, .5);--color-foreground: #f1f5f9;--color-muted: rgba(255, 255, 255, .06);--color-switch-background: #334155;--color-accent: #4D90D9;--color-accent-dark: #0057B7;--color-accent-to: #2B9FE8;--color-accent-subtle: rgba(77, 144, 217, .1);--color-accent-border-subtle: rgba(77, 144, 217, .25);--color-accent-focus-ring: rgba(77, 144, 217, .15);--color-accent-glow: rgba(77, 144, 217, .3);--color-error: #f87171;--color-error-bg: rgba(248, 113, 113, .1);--color-error-border: rgba(248, 113, 113, .2);--color-text-dark: #f1f5f9;--color-text-light: #94a3b8;--color-input-bg: rgba(255, 255, 255, .04);--color-input-border: rgba(255, 255, 255, .1);--color-body-gradient-from: #050D1A;--color-body-gradient-to: #091525;--color-gray-light: rgba(255, 255, 255, .04);--color-gray-medium: rgba(255, 255, 255, .08);--color-gray-dark: #94a3b8;--color-hint: #64748b;--color-link: #60a5fa;--color-surface-subtle: rgba(255, 255, 255, .04);--color-graph-bg: #050D1A;--color-graph-ctrl-bg: rgba(255, 255, 255, .06);--color-graph-ctrl-border: rgba(255, 255, 255, .1);--color-edge-label-bg: #091525;--color-edge-label-border: rgba(255, 255, 255, .07);--color-cyan: #22d3ee;--color-score-good: #4ade80;--color-score-warning: #fbbf24;--color-tips-bg: rgba(254, 252, 232, .04);--color-tips-border: rgba(253, 230, 138, .15);--color-node-thesis: #4D90D9;--color-node-thesis-dark: #0044AA;--color-node-claim: #60A5FA;--color-node-evidence: #34d399;--color-node-assumption: #fbbf24;--color-node-counter: #f87171;--color-node-thesis-bg: #0A1929;--color-node-thesis-border: #4D90D9;--color-node-claim-bg: #0D1B36;--color-node-claim-border: #60A5FA;--color-node-evidence-bg: #0d2818;--color-node-evidence-border: #34d399;--color-node-assumption-bg: #1f1a05;--color-node-assumption-border: #fbbf24;--color-node-counterargument-bg: #2a1215;--color-node-counterargument-border: #f87171;--color-node-default-bg: #1e1e2e;--color-node-default-border: #475569;--color-node-label: #94a3b8;--color-node-content: #e2e8f0;--color-node-icon-error: #f87171;--color-node-icon-success: #4ade80;--color-node-issues-count: #f87171;--color-node-issues-outline: #f87171;--color-node-issues-pulse-faded: rgba(248, 113, 113, .1);--color-success-bg: rgba(74, 222, 128, .08);--color-success-border: rgba(74, 222, 128, .2);--color-success-text: #86efac;--color-success-icon: #4ade80;--color-warning-bg: rgba(251, 191, 36, .08);--color-warning-border: rgba(251, 191, 36, .2);--color-warning-icon: #fbbf24;--color-warning-text: #fbbf24;--color-assumption-bg: rgba(251, 191, 36, .08);--color-assumption-border: rgba(251, 191, 36, .18);--color-edit-panel-bg: rgba(77, 144, 217, .08);--color-edit-panel-border: rgba(77, 144, 217, .2);--color-info-panel-bg: rgba(77, 144, 217, .08);--color-info-panel-border: rgba(77, 144, 217, .2);--color-cyan-bg: rgba(34, 211, 238, .08);--color-cyan-border: rgba(34, 211, 238, .18);--color-counter-card-bg: rgba(248, 113, 113, .06);--color-counter-card-border: rgba(248, 113, 113, .15);--color-counter-accept-border: rgba(248, 113, 113, .25);--color-delete-panel-bg: rgba(248, 113, 113, .06);--color-delete-panel-border: rgba(248, 113, 113, .18);--color-success-dim-bg: rgba(74, 222, 128, .06);--color-success-dim-border: rgba(74, 222, 128, .15);--color-respond-bg: rgba(52, 211, 153, .08);--color-respond-border: rgba(52, 211, 153, .2);--color-expand-bg: rgba(34, 211, 238, .08);--color-expand-border: rgba(34, 211, 238, .2);--color-achievement-gold-from: rgba(254, 252, 232, .05);--color-achievement-gold-to: rgba(254, 249, 195, .05);--color-achievement-gold-border: rgba(253, 224, 71, .2);--color-achievement-green-from: rgba(240, 253, 244, .04);--color-achievement-green-to: rgba(220, 252, 231, .04);--color-achievement-green-border: rgba(134, 239, 172, .2);--color-achievement-green-bg: rgba(220, 252, 231, .08);--color-achievement-green-text: #4ade80;--color-achievement-blue-from: rgba(239, 246, 255, .04);--color-achievement-blue-to: rgba(219, 234, 254, .04);--color-achievement-blue-border: rgba(147, 197, 253, .2);--color-achievement-purple-from: rgba(239, 246, 255, .04);--color-achievement-purple-to: rgba(219, 234, 254, .04);--color-achievement-purple-border: rgba(147, 197, 253, .2);--color-issues-next-steps: #94a3b8}.accessibility{font-size:18px;line-height:1.7;--radius: 18px;--radius-sm: 12px;--color-border: #b0b8c8;--color-muted-foreground: #4a5568;--color-text-light: #4a5568}.accessibility .profile-label,.accessibility .form-label,.accessibility .notes-label{font-size:16px}.accessibility .profile-input,.accessibility .profile-select,.accessibility .auth-input,.accessibility .notes-textarea{font-size:16px;padding:12px 16px}.accessibility .button{font-size:16px;padding:12px 20px}.accessibility .badge{font-size:14px;padding:4px 14px}.accessibility .tabs-trigger{font-size:16px;padding:6px 12px}.accessibility .card-header{padding:28px 28px 0}.accessibility .card-content{padding:28px}.accessibility .profile-goal-item{padding:16px}.accessibility .profile-pref-row{padding:8px 0}.accessibility .node-card{width:260px;min-height:96px;padding:14px 16px}body{font-family:DM Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(135deg,var(--color-body-gradient-from) 0%,var(--color-body-gradient-to) 100%);color:var(--color-text-dark);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}.loading-content{display:flex;justify-content:center;align-items:center;min-height:100vh;color:#fff9;font-family:system-ui}.alert-container{position:relative;width:100%;border-radius:8px;border:1px solid var(--color-border);padding:12px 16px;font-size:14px;line-height:20px;display:grid;grid-template-columns:0 1fr;row-gap:2px;align-items:start}.alert-container:has(>svg){grid-template-columns:var(--alert-icon-col-width) 1fr;column-gap:12px}.alert-container>svg{width:16px;height:16px;transform:translateY(2px);color:currentColor}.alert-default{background-color:var(--color-card);color:var(--color-card-foreground)}.alert-destructive{background-color:var(--color-card);color:var(--color-destructive);border-color:var(--color-destructive)}.alert-title{grid-column-start:2;font-weight:500;letter-spacing:-.025em}.alert-description{color:var(--color-muted-foreground);grid-column-start:2;display:grid;justify-items:start;gap:4px;font-size:14px;line-height:20px}.alert-description p{line-height:1.625}.argument-graph-container{width:100%;height:100%;overflow:auto;background-color:var(--color-surface);border-radius:8px;border:1px solid var(--color-border)}.node-card{border:2px solid transparent;border-radius:8px;padding:10px 12px;cursor:pointer;width:220px;min-height:80px;box-sizing:border-box;transition:box-shadow .2s ease,transform .15s ease;background-color:var(--color-card)}.node-card:hover{box-shadow:0 10px 15px -3px var(--shadow-color-md),0 4px 6px -2px var(--shadow-color-sm)}@keyframes border-pulse{0%,to{outline-color:var(--color-node-issues-outline)}50%{outline-color:var(--color-node-issues-pulse-faded)}}.badge{display:inline-flex;align-items:center;border-radius:6px;border:1px solid transparent;padding:2px 10px;font-size:12px;font-weight:600;transition:color .15s ease,background-color .15s ease,border-color .15s ease}.badge-default{background-color:var(--color-primary);color:var(--color-primary-foreground)}.badge-secondary{background-color:var(--color-secondary);color:var(--color-secondary-foreground)}.badge-destructive{background-color:var(--color-destructive);color:var(--color-destructive-foreground)}.badge-outline{border-color:var(--color-border);color:var(--color-card-foreground);background-color:transparent}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:6px;border:1px solid transparent;padding:8px 16px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .15s ease,color .15s ease,border-color .15s ease,box-shadow .15s ease;-webkit-user-select:none;user-select:none;white-space:nowrap}.button:disabled{opacity:.5;pointer-events:none;cursor:not-allowed}.button-primary{background-color:var(--color-primary);color:var(--color-primary-foreground)}.button-primary:hover{background-color:var(--color-primary-hover)}.button-secondary{background-color:var(--color-secondary);color:var(--color-secondary-foreground)}.button-secondary:hover{background-color:var(--color-secondary-hover)}.button-destructive{background-color:var(--color-destructive);color:var(--color-destructive-foreground)}.button-destructive:hover{background-color:var(--color-destructive-hover)}.button-outline{border-color:var(--color-border);background-color:transparent;color:var(--color-card-foreground)}.button-outline:hover{background-color:var(--color-secondary)}.button-ghost{background-color:transparent;color:var(--color-card-foreground)}.button-ghost:hover{background-color:var(--color-secondary)}.button-toggle{border:2px solid var(--color-primary)}.button-toggle:hover{background-color:var(--color-primary);color:var(--color-primary-foreground)}.card{background-color:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);overflow:hidden}.card-header{display:grid;grid-auto-rows:min-content;align-items:start;gap:6px;padding:24px 24px 0}.card-title{line-height:1;color:var(--color-text-dark)}.card-description{color:var(--color-muted-foreground)}.card-content{padding:24px}.card-footer{display:flex;align-items:center;padding:0 24px 24px}.progress-track{position:relative;height:8px;width:100%;overflow:hidden;border-radius:var(--radius-pill);background-color:var(--color-primary-subtle)}.progress-indicator{height:100%;width:100%;flex:1;background-color:var(--color-primary);transition:transform .3s ease}.switch-track{position:relative;display:inline-flex;height:18px;width:32px;flex-shrink:0;align-items:center;border-radius:var(--radius-pill);border:1px solid 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2px))}.switch-thumb-unchecked{transform:translate(0)}.tabs-container{display:flex;flex-direction:column;gap:8px}.tabs-list{display:inline-flex;height:36px;width:fit-content;align-items:center;justify-content:center;border-radius:12px;padding:3px;background-color:var(--color-muted);color:var(--color-muted-foreground)}.tabs-trigger{display:inline-flex;height:calc(100% - 1px);flex:1;align-items:center;justify-content:center;gap:6px;border-radius:12px;border:1px solid transparent;padding:4px 8px;font-size:14px;font-weight:500;white-space:nowrap;cursor:pointer;transition:color .15s ease,box-shadow .15s ease;background:none}.tabs-trigger:disabled{pointer-events:none;opacity:.5}.tabs-trigger-active{background-color:var(--color-card);color:var(--color-foreground)}.tabs-trigger-inactive{color:var(--color-muted-foreground);background-color:transparent}.tabs-content{flex:1;outline:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.auth-form-container{display:flex;flex-direction:row;min-height:100vh;padding:16px;gap:32px;align-items:center;justify-content:center;animation:fadeIn .5s ease-out;width:100%}.entry-page{display:flex;flex-direction:row;gap:32px;align-items:center;justify-content:center;width:100%;min-height:100vh;padding:16px}.branding-section{max-width:480px;min-width:150px;animation:slideInLeft .6s ease-out}.branding-title{font-size:48px;font-weight:700;color:var(--color-accent-dark);margin-bottom:8px;line-height:1}.tagline{font-size:20px;color:var(--color-gray-dark);margin-bottom:24px}.feature-list{display:flex;flex-direction:column;gap:16px}.feature-item{display:flex;flex-direction:row;gap:12px;align-items:flex-start}.feature-icon{width:44px;height:44px;border-radius:var(--radius-icon);display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--color-accent-subtle);color:var(--color-accent)}.feature-icon svg{width:20px;height:20px}.feature-content h3{font-size:18px;font-weight:600;color:var(--color-text-dark)}.feature-content p{font-size:14px;color:var(--color-text-light);line-height:20px}.auth-container{flex:1;max-width:490px;min-width:150px;animation:slideInRight .6s ease-out}.auth-card{display:flex;flex-direction:column;gap:24px;background:var(--color-card);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:24px;width:100%}.auth-header{display:flex;flex-direction:column;gap:6px}.auth-header h4{font-size:16px;font-weight:500;color:var(--color-text-dark)}.auth-header p{font-size:14px;color:var(--color-text-light);line-height:24px}.auth-tabs{width:100%}.auth-tabs-list{width:100%;display:grid;grid-template-columns:1fr 1fr;background:var(--color-gray-light);border-radius:var(--radius)}.auth-tab-trigger{flex:1}.auth-tab-content{display:flex;flex-direction:column;gap:16px;padding-top:16px}.auth-error{background:var(--color-error-bg);border:1px solid var(--color-error-border);color:var(--color-error);padding:14px;border-radius:var(--radius);font-size:14px}.form-field{display:flex;flex-direction:column;gap:8px}.form-label{font-size:14px;font-weight:600;color:var(--color-text-dark)}.auth-input{width:100%;padding:12px 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