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#22c55e47}:root{--primary-color:#2563eb;--primary-dark:#1d4ed8;--primary-medium:#2563eb;--primary-light:#dbeafe;--primary-soft:#eff6ff;--primary-border:#bfdbfe;--border-color:#e2e8f0;--surface-color:#fff;--surface-soft:#f1f5f9;--text-dark:#1e293b;--text-medium:#475569;--text-light:#64748b;--text-muted:#94a3b8;--warning-color:#b45309;--warning-background:#fffbeb;--warning-border:#fde68a;--error-color:#dc2626;--error-dark:#b91c1c;--error-background:#fef2f2;--error-border:#fecaca}.accent-blue,.accent-violet,.accent-orange,.accent-green{--primary-color:var(--accent);--primary-dark:var(--accent-dark);--primary-medium:var(--accent);--primary-light:var(--accent-light);--primary-soft:var(--accent-soft);--primary-border:var(--accent-border)}*{box-sizing:border-box}html{background:var(--background);scroll-behavior:smooth}body{background:var(--background);min-height:100vh;color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-family:Inter,system-ui,-apple-system,Segoe 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var(--border);border-radius:var(--radius-pill);background:var(--surface);box-shadow:var(--shadow-sm);align-items:center;padding:8px 14px;display:flex}.stepper-step{flex:1;align-items:center;min-width:0;display:flex}.stepper-button{border-radius:var(--radius-pill);cursor:pointer;background:0 0;border:0;align-items:center;gap:9px;padding:5px 8px;display:inline-flex}.stepper-button:disabled{cursor:default}.stepper-badge{background:var(--surface-soft);width:26px;height:26px;color:var(--text-secondary);border-radius:50%;flex-shrink:0;place-items:center;font-size:.8rem;font-weight:700;display:grid}.stepper-label{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;font-size:.85rem;font-weight:600;overflow:hidden}.stepper-step-current .stepper-badge{background:var(--blue);color:#fff;box-shadow:0 0 0 4px var(--blue-light)}.stepper-step-current .stepper-label{color:var(--text)}.stepper-step-done .stepper-badge{background:var(--green);color:#fff}.stepper-step-done .stepper-label{color:var(--text)}.stepper-line{background:var(--border);border-radius:2px;flex:1;min-width:12px;height:2px;margin:0 8px}.stepper-step-done .stepper-line{background:var(--green-border)}.button{border-radius:var(--radius-sm);cursor:pointer;transition:transform var(--transition), box-shadow var(--transition), background var(--transition), opacity var(--transition);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:.9rem;font-weight:600;display:inline-flex}.button:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}.button:not(:disabled):hover{transform:translateY(-1px)}.button:not(:disabled):active{transform:translateY(0)}.button-large{padding:13px 24px;font-size:.96rem}.button-primary{background:var(--blue);color:#fff;box-shadow:var(--shadow-blue)}.button-primary:not(:disabled):hover{background:var(--blue-dark)}.button-violet{background:var(--violet);color:#fff;box-shadow:var(--shadow-violet)}.button-violet:not(:disabled):hover{background:var(--violet-dark)}.button-orange{background:var(--orange);color:#fff;box-shadow:var(--shadow-orange)}.button-orange:not(:disabled):hover{background:var(--orange-dark)}.button-ghost{border-color:var(--border-strong);background:var(--surface);color:var(--text)}.button-ghost:not(:disabled):hover{background:var(--surface-soft)}.button-spinner{border:2px solid #fff6;border-top-color:#fff;border-radius:50%;width:15px;height:15px;animation:.7s linear infinite spin}.chip-button{border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface);color:var(--text-secondary);cursor:pointer;transition:border-color var(--transition), color var(--transition), background var(--transition);padding:7px 14px;font-size:.81rem}.chip-button:not(:disabled):hover{border-color:var(--violet-border);background:var(--violet-soft);color:var(--violet-dark)}.chip-button:disabled{opacity:.5;cursor:not-allowed}@keyframes spin{to{transform:rotate(360deg)}}.choice-grid{gap:16px;display:grid}.choice-grid-wide{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.choice-grid-compact{grid-template-columns:repeat(auto-fill,minmax(168px,1fr))}.choice-card{border:2px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);text-align:left;cursor:pointer;transition:border-color var(--transition), box-shadow var(--transition), transform 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14px;display:flex}.subject-card:hover{border-color:var(--accent-border);box-shadow:var(--shadow);transform:translateY(-2px)}.subject-card-selected{border-color:var(--accent);background:var(--accent-soft);box-shadow:var(--accent-shadow)}.subject-icon{background:var(--accent-light);width:54px;height:54px;color:var(--accent-dark);border-radius:50%;place-items:center;display:grid}.subject-name{text-align:center;color:var(--text);font-size:.92rem;font-weight:700;line-height:1.3}.subject-count{color:var(--text-secondary);align-items:center;gap:5px;font-size:.75rem;display:inline-flex}.semester-card{border:2px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);text-align:left;cursor:pointer;transition:border-color var(--transition), box-shadow var(--transition), transform 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42%), linear-gradient(135deg, #1e3a8a 0%, var(--blue) 62%, #3b82f6 100%);color:#fff;box-shadow:var(--shadow-lg);grid-template-columns:1.35fr 1fr;align-items:stretch;gap:26px;padding:34px;display:grid}.hero-content{flex-direction:column;justify-content:center;gap:14px;display:flex}.hero-eyebrow{letter-spacing:.11em;text-transform:uppercase;color:#ffffffc7;font-size:.74rem;font-weight:700}.hero-content h2{letter-spacing:-.03em;max-width:22ch;font-size:2.05rem;font-weight:800;line-height:1.18}.hero-text{color:#ffffffdb;max-width:46ch;font-size:.95rem;line-height:1.65}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:8px;display:flex}.hero-actions .button-primary{color:var(--blue-dark);background:#fff;box-shadow:0 8px 22px #0f172a3d}.hero-actions .button-primary:not(:disabled):hover{background:#eff6ff}.hero-actions .button-ghost{color:#fff;background:#ffffff1f;border-color:#fff6}.hero-actions .button-ghost:not(:disabled):hover{background:#fff3}.hero-panel{border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff21;border:1px solid #ffffff38;flex-direction:column;gap:16px;padding:22px;display:flex}.hero-panel-label{letter-spacing:.1em;text-transform:uppercase;color:#ffffffbd;font-size:.7rem;font-weight:700}.hero-panel-subject{align-items:center;gap:13px;display:flex}.hero-panel-icon{border-radius:var(--radius);width:48px;height:48px;color:var(--blue);background:#fff;flex-shrink:0;place-items:center;display:grid}.hero-panel-subject span:last-child{flex-direction:column;min-width:0;display:flex}.hero-panel-subject strong{font-size:1.06rem;font-weight:700}.hero-panel-subject small{color:#ffffffbf;font-size:.79rem}.hero-panel-stats{grid-template-columns:1fr 1fr;gap:12px;margin-top:auto;display:grid}.hero-panel-stats>div{border-radius:var(--radius);background:#ffffff24;padding:12px}.hero-panel-stats dt{letter-spacing:.08em;text-transform:uppercase;color:#ffffffb3;font-size:.7rem;font-weight:700}.hero-panel-stats dd{margin-top:4px;font-size:1.14rem;font-weight:700}.hero-panel-empty{color:#ffffffd6;font-size:.9rem;line-height:1.6}.hero-panel-button{color:var(--blue-dark);box-shadow:none;background:#fff;margin-top:auto}.hero-panel-button:not(:disabled):hover{background:#eff6ff}.action-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;display:grid}.action-card{border:1px solid var(--border);border-top:4px solid var(--accent);border-radius:var(--radius-lg);background:var(--surface);text-align:left;cursor:pointer;transition:box-shadow var(--transition), transform var(--transition);flex-direction:column;gap:10px;padding:22px;display:flex}.action-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}.action-icon{border-radius:var(--radius);background:var(--accent-light);width:46px;height:46px;color:var(--accent-dark);place-items:center;display:grid}.action-title{color:var(--text);font-size:1.04rem;font-weight:700}.action-description{color:var(--text-secondary);font-size:.87rem;line-height:1.6}.action-link{color:var(--accent-dark);align-items:center;gap:6px;margin-top:4px;font-size:.86rem;font-weight:700;display:inline-flex}.stat-row{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;display:grid}.stat-tile{border:1px solid var(--accent-border);border-radius:var(--radius-lg);background:var(--accent-soft);text-align:left;flex-direction:column;gap:4px;padding:20px;display:flex}.stat-tile-button{cursor:pointer;transition:box-shadow var(--transition)}.stat-tile-button:hover{box-shadow:var(--shadow)}.stat-value{letter-spacing:-.03em;color:var(--accent-dark);font-size:1.9rem;font-weight:800;line-height:1}.stat-label{color:var(--text-secondary);align-items:center;gap:6px;font-size:.83rem;display:inline-flex}.context-bar{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-sm);align-items:center;gap:12px;padding:12px 16px;display:flex}.context-icon{background:var(--violet-light);width:40px;height:40px;color:var(--violet-dark);border-radius:10px;flex-shrink:0;place-items:center;display:grid}.context-text{flex-direction:column;min-width:0;display:flex}.context-text strong{font-size:.95rem;font-weight:700}.context-text small{color:var(--text-secondary);font-size:.79rem}.context-change{border:1px solid var(--border-strong);border-radius:var(--radius-pill);background:var(--surface);color:var(--text-secondary);cursor:pointer;margin-left:auto;padding:6px 14px;font-size:.8rem;font-weight:600}.context-change:hover{background:var(--surface-soft);color:var(--text)}.ask-card{border:1px solid var(--border);border-radius:var(--radius-xl);background:var(--surface);box-shadow:var(--shadow);flex-direction:column;gap:14px;padding:26px;display:flex}.ask-header{align-items:flex-start;gap:14px;display:flex}.ask-icon{border-radius:var(--radius);background:var(--violet-light);width:46px;height:46px;color:var(--violet-dark);flex-shrink:0;place-items:center;display:grid}.ask-header h2{letter-spacing:-.015em;font-size:1.2rem;font-weight:700}.ask-header p{color:var(--text-secondary);margin-top:3px;font-size:.86rem}.ask-label{letter-spacing:.06em;text-transform:uppercase;color:var(--text-secondary);font-size:.78rem;font-weight:700}.ask-textarea{resize:vertical;border:2px solid var(--border);border-radius:var(--radius);background:var(--background);width:100%;min-height:128px;color:var(--text);transition:border-color var(--transition), background 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small{color:var(--text-light);font-size:.78rem;line-height:1.45}.reward-toast.tone-stars{background:linear-gradient(135deg,#fffbeb,#fff);border-color:#fde68a}.reward-toast.tone-mission{background:linear-gradient(135deg,#f0fdf4,#fff);border-color:#bbf7d0}.reward-toast.tone-badge{background:linear-gradient(135deg,#f5f3ff,#fff);border-color:#ddd6fe}@media (width<=640px){.reward-toast-stack{max-width:none;inset:auto 12px 16px}}.idle-nudge{z-index:130;border:1px solid var(--primary-border);background:var(--surface-color);border-radius:18px;align-items:flex-start;gap:14px;max-width:min(380px,100vw - 40px);padding:18px;animation:.42s cubic-bezier(.2,.9,.3,1.2) idle-nudge-in;display:flex;position:fixed;bottom:20px;left:20px;box-shadow:0 18px 40px #0f172a33}@keyframes idle-nudge-in{0%{opacity:0;transform:translateY(28px)scale(.94)}to{opacity:1;transform:translateY(0)scale(1)}}.idle-nudge-mascot{flex:none;font-size:2.4rem;line-height:1;animation:1.6s ease-in-out 3 idle-nudge-bounce}@keyframes idle-nudge-bounce{0%,to{transform:translateY(0)rotate(0)}25%{transform:translateY(-6px)rotate(-8deg)}50%{transform:translateY(0)rotate(0)}75%{transform:translateY(-3px)rotate(6deg)}}@media (prefers-reduced-motion:reduce){.idle-nudge,.idle-nudge-mascot{animation:none}}.idle-nudge-body{min-width:0}.idle-nudge-body strong{color:var(--text-dark);font-size:1.05rem;font-weight:800;line-height:1.4;display:block}.idle-nudge-body p{color:var(--text-medium);margin:6px 0 0;font-size:.9rem;line-height:1.6}.idle-nudge-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;display:flex}.idle-nudge-ghost{border:1px solid var(--border-color);font:inherit;color:var(--text-light);cursor:pointer;background:0 0;border-radius:999px;padding:9px 16px;font-size:.86rem;font-weight:700}.idle-nudge-ghost:hover{background:var(--surface-soft)}.idle-nudge-sound{font:inherit;color:var(--text-muted);cursor:pointer;background:0 0;border:none;margin-top:12px;padding:0;font-size:.76rem;font-weight:700;text-decoration:underline}.idle-nudge-sound:hover{color:var(--text-medium)}@media (width<=640px){.idle-nudge{max-width:none;bottom:12px;left:12px;right:12px}}.idle-nudge-allow{border:1px dashed var(--primary-border);background:var(--primary-soft);width:100%;font:inherit;color:var(--primary-dark);text-align:start;cursor:pointer;border-radius:11px;margin-top:12px;padding:10px 14px;font-size:.84rem;font-weight:700;display:block}.idle-nudge-allow:hover{border-style:solid}.idle-nudge-hint{background:var(--surface-soft);border-radius:10px;padding:10px 12px;color:var(--text-light)!important;margin:10px 0 0!important;font-size:.78rem!important;line-height:1.55!important}