*,:after,:before{box-sizing:border-box}:root{--color-bg:#FFF8F0;--color-surface:#FFFDF8;--color-primary:#E07B54;--color-primary-hover:#D4654A;--color-primary-light:#FFF0E6;--color-primary-soft:#FFB347;--color-accent:#FF8C69;--color-text:#2d2a26;--color-text-muted:#6b6560;--color-border:#F0E6DE;--color-error:#c24141;--color-success:#2d7a4a;--radius:1rem;--radius-sm:0.75rem;--shadow:0 1px 3px rgba(224,123,84,.06);--shadow-md:0 4px 12px rgba(224,123,84,.08)}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;line-height:1.6;color:var(--color-text);background:var(--color-bg)}.app-shell,body{min-height:100vh}.app-shell{display:flex;flex-direction:column}.app-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:0 20px;position:-webkit-sticky;position:sticky;top:0;z-index:10;box-shadow:var(--shadow);border-radius:0 0 var(--radius) var(--radius)}.app-header-inner{max-width:900px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:56px}.app-logo{font-size:1.25rem;font-weight:700;color:var(--color-primary);text-decoration:none;letter-spacing:-.02em}.app-nav{display:flex;gap:4px}.app-nav a{padding:8px 14px;border-radius:var(--radius-sm);color:var(--color-text-muted);text-decoration:none;font-size:.9rem;font-weight:500;transition:background .15s,color .15s}.app-nav a.active,.app-nav a:hover{background:var(--color-primary-light);color:var(--color-primary)}.app-nav .app-nav-btn{padding:8px 14px;border-radius:var(--radius-sm);color:var(--color-text-muted);font-size:.9rem;font-weight:500;background:transparent;border:none;cursor:pointer;text-decoration:none;transition:background .15s,color .15s;font-family:inherit}.app-nav .app-nav-btn:hover{background:var(--color-primary-light);color:var(--color-primary)}.app-main{flex:1 1;padding:24px 20px;max-width:900px;margin:0 auto;width:100%}.card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--color-border);padding:24px;margin-bottom:24px}.card h1{margin:0 0 8px;font-size:1.35rem;font-weight:700;color:var(--color-text)}.card .sub{color:var(--color-text-muted);font-size:.9rem;margin-bottom:20px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:500;border:none;cursor:pointer;transition:background .15s,transform .05s;text-decoration:none;min-height:44px;min-width:44px}.btn:active{transform:scale(.98)}.btn-primary{background:var(--color-primary);color:white}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--color-primary-light);color:var(--color-primary)}.btn-secondary:hover{background:#FFE4D6}.btn-ghost{background:transparent;color:var(--color-text-muted)}.btn-ghost:hover{background:var(--color-border);color:var(--color-text)}.btn+.btn{margin-left:10px}.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--color-border);margin-bottom:20px}.table-wrap table{width:100%;border-collapse:collapse;font-size:.9rem}.table-wrap td,.table-wrap th{padding:12px 14px;text-align:left;border-bottom:1px solid var(--color-border)}.table-wrap th{background:var(--color-bg);font-weight:600;color:var(--color-text)}.table-wrap tbody tr:last-child td{border-bottom:none}.table-wrap tbody tr:hover{background:var(--color-primary-light)}.input{width:100%;padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:.9rem;font-family:inherit;transition:border-color .15s,box-shadow .15s}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.input[type=number]{width:70px;text-align:center}.input-small{width:44px;text-align:center;padding:8px 6px}.input-level{min-width:80px;padding:8px 10px;cursor:pointer}.input-subject{width:100%;max-width:200px}.subject-section{display:flex;flex-direction:column;gap:8px;padding:16px 20px;background:var(--color-primary-light);border-radius:var(--radius);border:1px solid var(--color-border);margin-bottom:24px}.subject-section label{font-size:.9rem}.section-title,.subject-section label{font-weight:600;color:var(--color-text)}.section-title{font-size:1rem;margin:0 0 12px}.form-row{margin-bottom:14px}.form-row label{display:block;font-weight:500;font-size:.9rem;margin-bottom:6px;color:var(--color-text)}.btn-sm{padding:6px 12px;font-size:.85rem;min-height:36px;min-width:auto}.ratings-section{margin-top:8px}.ratings-table{width:100%}.ratings-table table{width:100%;table-layout:auto}.ratings-table td,.ratings-table th{white-space:nowrap;vertical-align:middle}.ratings-table th:first-child{width:70px}.ratings-table th:nth-child(2){min-width:100px}.ratings-table td .input-level{width:100%;min-width:90px;display:block}.alert{padding:14px 18px;border-radius:var(--radius-sm);margin-bottom:20px;font-size:.9rem}.alert-error{background:#FFF0EE;color:var(--color-error);border:1px solid #f0c4c0}.loading{color:var(--color-text-muted);padding:24px;text-align:center}.link{color:var(--color-primary);text-decoration:none}.link:hover{text-decoration:underline}.step-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}.step-links a{display:inline-flex;align-items:center;padding:14px 20px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);text-decoration:none;font-weight:500;box-shadow:var(--shadow);transition:border-color .15s,box-shadow .15s}.step-links a:hover{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light);color:var(--color-primary)}.review-item{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;margin-bottom:20px;box-shadow:var(--shadow)}.review-item-header{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}.review-item-title{font-weight:700;font-size:1rem;color:var(--color-text)}.review-item-actions{display:flex;gap:8px}.review-item textarea{width:100%;min-height:120px;padding:12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:.9rem;font-family:inherit;resize:vertical;background:var(--color-bg)}.review-item textarea.review-textarea-editing{background:var(--color-surface);border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.landing-auth{max-width:480px;margin:0 auto;padding:48px 24px;text-align:center}.landing-intro{font-size:1.25rem;line-height:1.6;color:var(--color-text);margin:0 0 32px;font-weight:500}.landing-actions{display:flex;flex-direction:column;gap:16px;align-items:center}.landing-btn-google{display:inline-flex;align-items:center;gap:10px;min-width:220px}.landing-hint{font-size:.9rem;color:var(--color-text-muted);margin:0}