:root{--color-bg: #0f1117;--color-surface: #191c24;--color-surface-hover: #222733;--color-surface-alt: #1e2230;--color-border: #2e3344;--color-border-focus: #5b7fff;--color-text: #e8eaf0;--color-text-secondary:#8a91a8;--color-text-muted: #5c6480;--color-primary: #5b7fff;--color-primary-hover: #7093ff;--color-primary-dim: rgba(91, 127, 255, .12);--color-open: #5b7fff;--color-open-bg: rgba(91, 127, 255, .1);--color-progress: #f5a623;--color-progress-bg: rgba(245, 166, 35, .1);--color-resolved: #4caf7a;--color-resolved-bg: rgba(76, 175, 122, .1);--color-low: #5c6480;--color-low-bg: rgba(92, 100, 128, .15);--color-medium: #f5a623;--color-medium-bg: rgba(245, 166, 35, .1);--color-high: #e8524a;--color-high-bg: rgba(232, 82, 74, .1);--color-danger: #e8524a;--color-danger-hover: #ff6b63;--color-danger-dim: rgba(232, 82, 74, .12);--color-error-bg: rgba(232, 82, 74, .08);--font-sans: "DM Sans", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--shadow-sm: 0 1px 2px rgba(0,0,0,.2);--shadow-md: 0 2px 8px rgba(0,0,0,.25);--shadow-lg: 0 4px 16px rgba(0,0,0,.3);--max-width: 1100px;--header-h: 56px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,select,textarea{font-family:inherit;color:inherit}img{max-width:100%;display:block}:focus-visible{outline:2px solid 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var(--space-6)}.nav-logo{display:flex;align-items:center;gap:var(--space-3)}.nav-logo-icon{font-size:22px;color:var(--color-primary);line-height:1}.nav-logo-text{font-size:18px;font-weight:600;letter-spacing:-.3px;color:var(--color-text)}.nav-links{display:flex;align-items:center;gap:var(--space-2);list-style:none}.nav-link{padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);font-size:14px;font-weight:500;color:var(--color-text-secondary);transition:background .15s,color .15s}.nav-link:hover{background:var(--color-surface-hover);color:var(--color-text)}.nav-link.active{background:var(--color-primary-dim);color:var(--color-primary)}.nav-link-cta{background:var(--color-primary);color:#fff;font-weight:500}.nav-link-cta:hover{background:var(--color-primary-hover);color:#fff}.nav-link-cta.active{background:var(--color-primary-hover)}.app-main{flex:1;max-width:var(--max-width);width:100%;margin:0 auto;padding:var(--space-8) var(--space-6)}.app-footer{border-top:1px solid var(--color-border);padding:var(--space-6);text-align:center}.footer-text{font-size:13px;color:var(--color-text-muted)}.page-title{font-size:24px;font-weight:600;letter-spacing:-.5px;color:var(--color-text);line-height:1.3}.page-subtitle{font-size:14px;color:var(--color-text-secondary);margin-top:var(--space-2)}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:9px 18px;border-radius:var(--radius-md);font-size:14px;font-weight:500;line-height:1;transition:background .15s,color .15s,box-shadow .15s,opacity .15s;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface-alt);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-surface-hover)}.btn-ghost{color:var(--color-text-secondary)}.btn-ghost:hover:not(:disabled){color:var(--color-text);background:var(--color-surface-alt)}.btn-danger{background:var(--color-danger-dim);color:var(--color-danger);border:1px solid transparent}.btn-danger:hover:not(:disabled){background:var(--color-danger);color:#fff}.btn-full{width:100%;justify-content:center}.input{width:100%;padding:9px 12px;background:var(--color-surface-alt);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:14px;color:var(--color-text);transition:border-color .15s,box-shadow .15s}.input::placeholder{color:var(--color-text-muted)}.input:focus{border-color:var(--color-border-focus);box-shadow:0 0 0 3px var(--color-primary-dim)}.textarea{resize:vertical;min-height:80px;line-height:1.5}.select-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:32px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a91a8' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}.form-group{margin-bottom:var(--space-5)}.form-group.has-error .input{border-color:var(--color-danger)}.form-label{display:flex;align-items:baseline;justify-content:space-between;font-size:13px;font-weight:500;color:var(--color-text-secondary);margin-bottom:var(--space-2)}.form-label-required{color:var(--color-danger);margin-left:2px}.form-label-count{font-weight:400;color:var(--color-text-muted);font-size:12px}.form-hint{font-size:12px;color:var(--color-text-muted);margin-top:var(--space-2)}.form-error{font-size:13px;color:var(--color-danger);margin-top:var(--space-2)}.form-actions{display:flex;align-items:center;gap:var(--space-4);margin-top:var(--space-8)}.form-submit-error{background:var(--color-error-bg);border:1px solid var(--color-danger);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);margin-bottom:var(--space-4)}.form-submit-error p{font-size:14px;color:var(--color-danger)}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500;white-space:nowrap}.status-open{background:var(--color-open-bg);color:var(--color-open)}.status-in-progress{background:var(--color-progress-bg);color:var(--color-progress)}.status-resolved{background:var(--color-resolved-bg);color:var(--color-resolved)}.priority-low{background:var(--color-low-bg);color:var(--color-low)}.priority-medium{background:var(--color-medium-bg);color:var(--color-medium)}.priority-high{background:var(--color-high-bg);color:var(--color-high)}.spinner-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-10) 0;gap:var(--space-3)}.spinner{border-radius:50%;border:3px solid var(--color-border);border-top-color:var(--color-primary);animation:spin .6s linear infinite}.spinner-sm{width:18px;height:18px;border-width:2px}.spinner-md{width:28px;height:28px}.spinner-lg{width:36px;height:36px;border-width:4px}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:var(--space-16) var(--space-6)}.empty-icon{font-size:40px;margin-bottom:var(--space-4);opacity:.3}.empty-title{font-size:18px;font-weight:600;color:var(--color-text);margin-bottom:var(--space-2)}.empty-message{font-size:14px;color:var(--color-text-secondary);max-width:400px;margin:0 auto}.empty-action{margin-top:var(--space-5)}.error-display{background:var(--color-error-bg);border:1px solid var(--color-danger);border-radius:var(--radius-lg);padding:var(--space-8) var(--space-6);text-align:center;max-width:480px;margin:var(--space-10) auto}.error-icon{font-size:28px;margin-bottom:var(--space-3)}.error-message{font-size:14px;color:var(--color-danger);margin-bottom:var(--space-4)}.pagination{display:flex;align-items:center;justify-content:center;gap:var(--space-2);margin-top:var(--space-8);flex-wrap:wrap}.pagination-btn{padding:6px 14px;border-radius:var(--radius-md);font-size:13px;font-weight:500;color:var(--color-text-secondary);background:var(--color-surface-alt);border:1px solid var(--color-border);transition:background .15s,color .15s,opacity .15s}.pagination-btn:hover:not(:disabled){background:var(--color-surface-hover);color:var(--color-text)}.pagination-btn:disabled{opacity:.35;cursor:not-allowed}.pagination-pages{display:flex;gap:4px}.pagination-page{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);font-size:13px;color:var(--color-text-secondary);transition:background .15s,color .15s}.pagination-page:hover{background:var(--color-surface-hover);color:var(--color-text)}.pagination-page.active{background:var(--color-primary);color:#fff;font-weight:600}.pagination-ellipsis{width:34px;text-align:center;color:var(--color-text-muted);font-size:14px}.ticket-list-page .page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-6);flex-wrap:wrap;gap:var(--space-4)}.controls-bar{display:flex;flex-direction:column;gap:var(--space-3);margin-bottom:var(--space-6)}.controls-search{width:100%}.search-input{padding-left:40px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238a91a8' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:12px center}.controls-filters{display:flex;flex-wrap:wrap;gap:var(--space-3);align-items:center}.controls-filters .select-input{width:160px}.clear-filters{font-size:13px}.results-count{font-size:13px;color:var(--color-text-muted);margin-bottom:var(--space-4)}.ticket-grid{display:flex;flex-direction:column;gap:var(--space-3)}.ticket-card{display:block;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5);transition:border-color .15s,box-shadow .15s,transform .1s}.ticket-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);transform:translateY(-1px)}.ticket-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap}.ticket-card-title{font-size:15px;font-weight:600;color:var(--color-text);line-height:1.4;flex:1}.ticket-card-badges{display:flex;gap:var(--space-2);flex-shrink:0}.ticket-card-date{font-size:12px;color:var(--color-text-muted);margin-top:var(--space-3)}.breadcrumb{display:flex;align-items:center;gap:var(--space-2);font-size:13px;margin-bottom:var(--space-6)}.breadcrumb-link{color:var(--color-text-secondary);transition:color .15s}.breadcrumb-link:hover{color:var(--color-primary)}.breadcrumb-sep,.breadcrumb-current{color:var(--color-text-muted)}.detail-layout{display:grid;grid-template-columns:1fr 260px;gap:var(--space-10);align-items:start}.detail-title{font-size:22px;font-weight:600;letter-spacing:-.3px;line-height:1.3;color:var(--color-text)}.detail-meta{display:flex;align-items:center;gap:var(--space-3);margin-top:var(--space-3);font-size:13px;color:var(--color-text-muted);flex-wrap:wrap}.detail-meta-sep{color:var(--color-border)}.detail-description{font-size:15px;color:var(--color-text-secondary);line-height:1.7;margin-top:var(--space-5);white-space:pre-wrap}.detail-saving{display:flex;align-items:center;gap:var(--space-2);font-size:13px;color:var(--color-text-muted);margin-top:var(--space-4)}.detail-saving .spinner-wrap{padding:0}.detail-error{background:var(--color-error-bg);border:1px solid var(--color-danger);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);font-size:13px;color:var(--color-danger);margin-top:var(--space-4)}.detail-sidebar{display:flex;flex-direction:column;gap:var(--space-5);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5);position:sticky;top:calc(var(--header-h) + var(--space-8))}.sidebar-section{display:flex;flex-direction:column;gap:var(--space-2)}.sidebar-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--color-text-muted)}.sidebar-select{font-size:13px}.comments-section{margin-top:var(--space-10)}.comments-heading{font-size:17px;font-weight:600;color:var(--color-text);display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-5)}.comments-count{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;background:var(--color-surface-alt);border-radius:11px;font-size:12px;color:var(--color-text-muted)}.comment-form{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5);margin-bottom:var(--space-6)}.comment-form .form-group{margin-bottom:var(--space-4)}.comment-form .form-group:last-of-type{margin-bottom:0}.comments-empty{font-size:14px;color:var(--color-text-muted);text-align:center;padding:var(--space-8) 0}.comment-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-4)}.comment-item{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4) var(--space-5)}.comment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-2)}.comment-author{font-size:13px;font-weight:600;color:var(--color-text)}.comment-time{font-size:12px;color:var(--color-text-muted)}.comment-message{font-size:14px;color:var(--color-text-secondary);line-height:1.6}.create-ticket-layout{display:grid;grid-template-columns:1fr 280px;gap:var(--space-10);align-items:start}.create-ticket-content .page-title{margin-bottom:var(--space-1)}.ticket-form{margin-top:var(--space-6)}.info-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5);position:sticky;top:calc(var(--header-h) + var(--space-8))}.info-card-title{font-size:14px;font-weight:600;color:var(--color-text);margin-bottom:var(--space-4)}.info-card-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-3)}.info-card-list li{font-size:13px;color:var(--color-text-secondary);padding-left:var(--space-4);position:relative}.info-card-list li:before{content:"→";position:absolute;left:0;color:var(--color-primary);font-size:12px}@media (max-width: 820px){.detail-layout{grid-template-columns:1fr}.detail-sidebar{position:static;order:-1;flex-direction:row;flex-wrap:wrap}.sidebar-section{flex:1;min-width:140px}.create-ticket-layout{grid-template-columns:1fr}.create-ticket-info{order:-1}.info-card{position:static}}@media (max-width: 600px){.app-main{padding:var(--space-5) var(--space-4)}.controls-filters .select-input{width:100%}.ticket-card-header{flex-direction:column;gap:var(--space-2)}.detail-sidebar{flex-direction:column}}