:root{--primary: #FF6B35;--primary-dim: rgba(255, 107, 53, .1);--primary-border: rgba(255, 107, 53, .28);--primary-dark: #E04A1A;--green: #22c55e;--green-dim: rgba(34, 197, 94, .1);--red: #ef4444;--red-dim: rgba(239, 68, 68, .1);--bg: #FFF9F7;--surface: #FFFFFF;--border: #FFE8DE;--text: #5C3820;--text-h: #1A0800;--text-sub: #A08070;--shadow: 0 2px 12px rgba(255, 107, 53, .08);--radius: 18px;--radius-sm: 10px;--nav-h: 68px;--sans: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;background:none;font-family:inherit;font-size:inherit}input,textarea,select{font-family:inherit;font-size:inherit;outline:none}.app-shell{max-width:425px;min-height:100svh;margin:0 auto;background:var(--bg);position:relative;display:flex;flex-direction:column}.page{flex:1;display:flex;flex-direction:column;padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom));min-height:100svh}.scroll-area{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.header{position:sticky;top:0;z-index:100;background:var(--surface);border-bottom:1px solid var(--border);height:56px;display:flex;align-items:center;padding:0 16px;gap:8px}.header-logo{flex:1;font-size:20px;font-weight:900;color:var(--primary);letter-spacing:-.5px}.header-title{flex:1;font-size:17px;font-weight:700;color:var(--text-h);text-align:center}.header-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:20px;flex-shrink:0;transition:background .15s}.header-btn:hover{background:var(--bg)}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:425px;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--border);display:flex;z-index:100}.nav-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--text-sub);font-size:10px;font-weight:600;transition:color .15s;padding-bottom:6px;letter-spacing:.2px}.nav-tab.active{color:var(--primary)}.nav-tab-icon{font-size:22px;line-height:1}.nav-write-btn{width:48px;height:48px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;box-shadow:0 4px 14px #ff6b3566;margin-bottom:6px;transition:background .15s,box-shadow .15s}.nav-write-btn:hover{background:var(--primary-dark)}.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:700;white-space:nowrap}.post-card{background:var(--surface);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);cursor:pointer;transition:transform .15s,box-shadow .15s;border:1px solid var(--border)}.post-card:active{transform:scale(.985)}.post-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.post-card-title{font-size:16px;font-weight:700;color:var(--text-h);margin-bottom:8px;line-height:1.4}.post-card-meta{font-size:13px;color:var(--text-sub);display:flex;flex-direction:column;gap:3px;margin-bottom:14px}.post-card-meta-row{display:flex;align-items:center;gap:6px}.post-card-footer{display:flex;align-items:center;justify-content:space-between;gap:10px}.post-card-progress{display:flex;align-items:center;gap:8px;flex:1}.progress-bar{flex:1;height:6px;background:var(--border);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:3px}.progress-count{font-size:12px;font-weight:700;color:var(--text-sub);white-space:nowrap}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:800;white-space:nowrap;letter-spacing:.3px}.badge-open{background:var(--green-dim);color:var(--green)}.badge-matched{background:var(--primary-dim);color:var(--primary)}.badge-closed{background:#f5f0ee;color:var(--text-sub)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 24px;border-radius:14px;font-size:16px;font-weight:700;transition:all .15s;width:100%;gap:8px;letter-spacing:-.2px}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px #ff6b3552}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary-border)}.btn-outline:hover{background:var(--primary-dim)}.btn-danger{background:var(--red-dim);color:var(--red);border:2px solid rgba(239,68,68,.2)}.btn-danger:hover{background:#ef444426}.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px;width:auto}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:13px;font-weight:700;color:var(--text)}.form-input{width:100%;padding:13px 16px;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--surface);font-size:15px;color:var(--text-h);transition:border-color .15s}.form-input:focus{border-color:var(--primary)}.form-input::placeholder{color:var(--text-sub)}textarea.form-input{resize:vertical;min-height:90px;line-height:1.6}.form-input-row{display:flex;gap:8px;align-items:flex-end}.form-input-row .form-input{flex:1}.form-check-btn{padding:13px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:700;white-space:nowrap;background:var(--primary-dim);color:var(--primary);border:1.5px solid var(--primary-border);transition:all .15s;flex-shrink:0}.form-check-btn:hover{background:var(--primary);color:#fff}.form-error{font-size:12px;color:var(--red);margin-top:2px}.form-success{font-size:12px;color:var(--green);margin-top:2px}.form-hint{font-size:12px;color:var(--text-sub);margin-top:2px}.auth-page{display:flex;flex-direction:column;min-height:100svh;padding:56px 28px 40px;background:var(--bg)}.auth-header{margin-bottom:40px}.auth-logo{font-size:36px;font-weight:900;color:var(--primary);display:block;margin-bottom:6px;letter-spacing:-1px}.auth-tagline{font-size:15px;color:var(--text-sub);line-height:1.5}.auth-form{display:flex;flex-direction:column;gap:18px}.auth-submit{margin-top:8px}.auth-footer{text-align:center;margin-top:24px;font-size:14px;color:var(--text-sub)}.auth-footer a{color:var(--primary);font-weight:700}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 24px;text-align:center;gap:10px;flex:1}.empty-state-emoji{font-size:52px}.empty-state-title{font-size:18px;font-weight:800;color:var(--text-h)}.empty-state-desc{font-size:14px;color:var(--text-sub);line-height:1.6}.loading-wrap{display:flex;align-items:center;justify-content:center;padding:60px 0;color:var(--text-sub);font-size:14px;flex:1;gap:8px}.notif-item{background:var(--surface);border-radius:var(--radius-sm);padding:16px;display:flex;gap:12px;box-shadow:var(--shadow);border:1px solid var(--border)}.notif-icon{font-size:26px;flex-shrink:0;line-height:1}.notif-body{flex:1}.notif-title{font-size:14px;font-weight:700;color:var(--text-h);margin-bottom:4px}.notif-desc{font-size:13px;color:var(--text-sub);line-height:1.5}.notif-time{font-size:11px;color:var(--text-sub);margin-top:6px}.notif-unread{border-left:3px solid var(--primary)}.my-profile{background:var(--surface);padding:28px 20px 22px;display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--border)}.my-avatar{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0}.my-nickname{font-size:20px;font-weight:800;color:var(--text-h)}.my-studentid{font-size:13px;color:var(--text-sub);margin-top:3px}.my-tabs{display:flex;background:var(--surface);border-bottom:1px solid var(--border)}.my-tab{flex:1;padding:14px 0;font-size:14px;font-weight:600;color:var(--text-sub);border-bottom:2px solid transparent;transition:all .15s}.my-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.my-content{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.my-logout{padding:16px;border-top:1px solid var(--border)}.detail-card{background:var(--surface);border-radius:var(--radius);padding:20px;margin:12px 16px;box-shadow:var(--shadow);border:1px solid var(--border)}.detail-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}.detail-title{font-size:20px;font-weight:800;color:var(--text-h);line-height:1.35;margin-bottom:16px}.detail-info{display:flex;flex-direction:column;gap:10px}.detail-info-row{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text)}.detail-info-icon{font-size:18px}.detail-divider{height:1px;background:var(--border)}.detail-progress-label{font-size:13px;font-weight:600;color:var(--text-sub);margin-bottom:10px;display:flex;justify-content:space-between;align-items:center}.detail-progress-bar{height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin-bottom:6px}.detail-progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:4px;transition:width .4s}.detail-action{padding:12px 16px;display:flex;flex-direction:column;gap:10px}.chat-link-btn{display:flex;align-items:center;gap:10px;padding:15px 20px;background:#fee500;border-radius:14px;color:#3c1e1e;font-weight:800;font-size:15px;justify-content:center;box-shadow:0 4px 14px #fee50073;width:100%}.create-form{padding:20px 16px;display:flex;flex-direction:column;gap:22px}.tags-picker{display:flex;flex-wrap:wrap;gap:8px}.tag-pick{padding:8px 14px;border-radius:20px;font-size:13px;font-weight:700;cursor:pointer;transition:all .15s;border:2px solid var(--border);color:var(--text-sub);background:var(--surface)}.tag-pick.selected{border-color:var(--primary);background:var(--primary-dim);color:var(--primary)}.count-picker{display:flex;align-items:center;gap:16px}.count-btn{width:40px;height:40px;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:var(--text-h);transition:all .15s}.count-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.count-btn:disabled{opacity:.3;cursor:not-allowed}.count-value{font-size:24px;font-weight:800;color:var(--text-h);min-width:36px;text-align:center}.create-submit{padding:0 16px 24px}.error-banner{background:var(--red-dim);border:1px solid rgba(239,68,68,.2);border-radius:var(--radius-sm);padding:12px 16px;font-size:14px;color:var(--red);font-weight:600}