:root{--font-heading: "Outfit", "Sarabun", sans-serif;--font-body: "Inter", "Sarabun", sans-serif;--primary: hsl(215, 90%, 52%);--primary-hover: hsl(215, 90%, 45%);--primary-light: hsla(215, 90%, 52%, .1);--success: hsl(150, 84%, 35%);--success-light: hsla(150, 84%, 35%, .1);--warning: hsl(38, 92%, 48%);--warning-light: hsla(38, 92%, 48%, .1);--danger: hsl(355, 84%, 55%);--danger-light: hsla(355, 84%, 55%, .1);--background: hsl(210, 40%, 97%);--surface: hsl(0, 0%, 100%);--surface-hover: hsl(210, 20%, 95%);--border: hsl(214, 32%, 91%);--border-focus: hsl(215, 90%, 52%);--text: hsl(222, 47%, 12%);--text-muted: hsl(215, 16%, 47%);--text-inverse: hsl(0, 0%, 100%);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .08), 0 2px 4px -1px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, .1), 0 8px 16px -6px rgba(0, 0, 0, .05);--shadow-glow: 0 0 25px hsla(215, 90%, 52%, .15);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 24px;--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(255, 255, 255, .5);--glass-blur: blur(12px);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--primary: hsl(210, 95%, 60%);--primary-hover: hsl(210, 95%, 68%);--primary-light: hsla(210, 95%, 60%, .15);--success: hsl(150, 84%, 43%);--success-light: hsla(150, 84%, 43%, .15);--warning: hsl(38, 92%, 58%);--warning-light: hsla(38, 92%, 58%, .15);--danger: hsl(355, 84%, 63%);--danger-light: hsla(355, 84%, 63%, .15);--background: hsl(222, 47%, 7%);--surface: hsl(222, 47%, 11%);--surface-hover: hsl(222, 47%, 15%);--border: hsl(222, 20%, 19%);--border-focus: hsl(210, 95%, 60%);--text: hsl(210, 40%, 98%);--text-muted: hsl(215, 20%, 65%);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .4);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -1px rgba(0, 0, 0, .2);--shadow-lg: 0 15px 35px -5px rgba(0, 0, 0, .5), 0 10px 20px -5px rgba(0, 0, 0, .3);--shadow-glow: 0 0 25px hsla(210, 95%, 60%, .2);--glass-bg: rgba(15, 23, 42, .55);--glass-border: rgba(255, 255, 255, .07)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--background);color:var(--text);line-height:1.5;transition:background-color var(--transition-normal),color var(--transition-normal);min-height:100vh;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:600;letter-spacing:-.02em}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}a{color:inherit;text-decoration:none}.app-container{display:flex;flex-direction:column;min-height:100vh}.app-header{position:sticky;top:0;z-index:100;background-color:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--glass-border);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;transition:all var(--transition-normal)}.logo-section{display:flex;align-items:center;gap:.75rem}.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--primary-hover));color:var(--text-inverse);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.25rem;box-shadow:var(--shadow-glow)}.logo-text h1{font-size:1.25rem;font-weight:700;line-height:1.2}.logo-text p{font-size:.75rem;color:var(--text-muted)}.nav-actions{display:flex;align-items:center;gap:1rem}.main-content{flex:1;max-width:1400px;width:100%;margin:0 auto;padding:2rem}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background-color:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:1.5rem;display:flex;align-items:center;gap:1.25rem;cursor:pointer;box-shadow:var(--shadow-sm);transition:transform var(--transition-fast),box-shadow var(--transition-fast),border-color var(--transition-fast)}.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.stat-card.active{border-color:var(--primary);box-shadow:var(--shadow-glow);background-color:var(--primary-light)}.stat-icon{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.stat-icon.total{background-color:var(--primary-light);color:var(--primary)}.stat-icon.calibrated{background-color:var(--success-light);color:var(--success)}.stat-icon.due-soon{background-color:var(--warning-light);color:var(--warning)}.stat-icon.overdue{background-color:var(--danger-light);color:var(--danger)}.stat-info{display:flex;flex-direction:column}.stat-value{font-size:1.75rem;font-weight:700;font-family:var(--font-heading);line-height:1.1}.stat-label{font-size:.875rem;color:var(--text-muted);font-weight:500}.glass-panel{background-color:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-lg)}.control-bar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem}.search-filter-group{display:flex;gap:.75rem;flex:1;max-width:700px;width:100%}.search-input-wrapper{position:relative;flex:1}.search-input-wrapper input{width:100%;padding:.75rem 1rem .75rem 2.5rem;border:1px solid var(--border);border-radius:var(--radius-md);background-color:var(--surface);color:var(--text);outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.search-input-wrapper input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--primary-light)}.search-icon{position:absolute;left:.875rem;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.filter-select{padding:.75rem 2rem .75rem 1rem;border:1px solid var(--border);border-radius:var(--radius-md);background-color:var(--surface);color:var(--text);outline:none;cursor:pointer;min-width:130px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;background-size:1rem;transition:border-color var(--transition-fast)}.filter-select:focus{border-color:var(--border-focus)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.25rem;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all var(--transition-fast);border:none;outline:none;white-space:nowrap}.btn-primary{background-color:var(--primary);color:var(--text-inverse);box-shadow:var(--shadow-sm)}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn-secondary{background-color:var(--surface);border:1px solid var(--border);color:var(--text)}.btn-secondary:hover{background-color:var(--surface-hover)}.btn-danger{background-color:var(--danger);color:var(--text-inverse)}.btn-danger:hover{background-color:#e11425}.btn-icon{width:40px;height:40px;padding:0;border-radius:50%}.equipment-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}.equipment-card{background-color:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:1.5rem;display:flex;flex-direction:column;justify-content:space-between;min-height:250px;box-shadow:var(--shadow-sm);transition:transform var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-normal);position:relative;overflow:hidden}.equipment-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.equipment-card.normal{border-left:5px solid var(--success)}.equipment-card.due_soon{border-left:5px solid var(--warning)}.equipment-card.overdue{border-left:5px solid var(--danger)}.card-header-info{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:.75rem}.equipment-code{font-size:.75rem;font-weight:700;color:var(--text-muted);background-color:var(--background);padding:.25rem .5rem;border-radius:var(--radius-sm);letter-spacing:.05em;text-transform:uppercase}.status-badge{font-size:.75rem;font-weight:600;padding:.25rem .75rem;border-radius:50px}.status-badge.normal{background-color:var(--success-light);color:var(--success)}.status-badge.due_soon{background-color:var(--warning-light);color:var(--warning)}.status-badge.overdue{background-color:var(--danger-light);color:var(--danger)}.equipment-title{font-size:1.15rem;font-weight:600;margin-bottom:.5rem;line-height:1.3}.equipment-category{font-size:.8rem;color:var(--primary);font-weight:600;margin-bottom:1rem;display:inline-block;background-color:var(--primary-light);padding:.15rem .5rem;border-radius:var(--radius-sm)}.specs-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem 1rem;font-size:.8rem;margin-bottom:1.25rem}.specs-item{display:flex;flex-direction:column}.specs-label{color:var(--text-muted);font-weight:500}.specs-value{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-footer{border-top:1px solid var(--border);padding-top:1rem;display:flex;justify-content:space-between;align-items:center}.calibration-due{display:flex;flex-direction:column}.calibration-due .due-label{font-size:.75rem;color:var(--text-muted)}.calibration-due .due-date{font-size:.875rem;font-weight:700}.calibration-due.overdue .due-date{color:var(--danger)}.calibration-due.due_soon .due-date{color:var(--warning)}.calibration-due.normal .due-date{color:var(--success)}.theme-btn{background:none;border:none;cursor:pointer;padding:.5rem;display:flex;align-items:center;justify-content:center;color:var(--text);border-radius:50%;transition:background-color var(--transition-fast);width:40px;height:40px}.theme-btn:hover{background-color:var(--surface-hover)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0f172a99;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem;animation:fadeIn var(--transition-fast) forwards}.modal-content{background-color:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);max-width:650px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp var(--transition-normal) forwards;display:flex;flex-direction:column}.modal-header{padding:1.5rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;background-color:var(--surface);z-index:10}.modal-header h2{font-size:1.35rem}.close-btn{background:none;border:none;cursor:pointer;color:var(--text-muted);display:flex;align-items:center;justify-content:center;border-radius:50%;width:32px;height:32px;transition:background-color var(--transition-fast)}.close-btn:hover{background-color:var(--surface-hover);color:var(--text)}.modal-body{padding:1.5rem;flex:1}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}.form-group{display:flex;flex-direction:column;gap:.375rem}.form-group.full-width{grid-column:span 2}.form-group label{font-size:.85rem;font-weight:600;color:var(--text)}.form-group input,.form-group select,.form-group textarea{padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius-md);background-color:var(--background);color:var(--text);outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--border-focus);background-color:var(--surface);box-shadow:0 0 0 3px var(--primary-light)}.form-actions{margin-top:2rem;display:flex;justify-content:flex-end;gap:.75rem}.binder-layout{display:grid;grid-template-columns:320px 1fr;gap:2rem;height:calc(90vh - 100px)}.binder-sidebar{border-right:1px solid var(--border);padding-right:1.5rem;display:flex;flex-direction:column;justify-content:space-between;overflow-y:auto}.equipment-meta-box{display:flex;flex-direction:column;gap:1rem}.meta-row{display:flex;flex-direction:column;font-size:.85rem}.meta-label{color:var(--text-muted);font-weight:500}.meta-value{font-weight:600}.binder-body{display:flex;flex-direction:column;overflow-y:auto;padding-left:.5rem}.year-tabs{display:flex;gap:.5rem;border-bottom:2px solid var(--border);margin-bottom:1.5rem;position:sticky;top:0;background-color:var(--surface);z-index:5;padding-top:.25rem}.year-tab{padding:.75rem 1.25rem;border:none;background:none;cursor:pointer;font-weight:600;font-size:1rem;color:var(--text-muted);position:relative;transition:color var(--transition-fast)}.year-tab:hover{color:var(--text)}.year-tab.active{color:var(--primary)}.year-tab.active:after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:2px;background-color:var(--primary);border-radius:2px}.tab-content-panel{flex:1;display:flex;flex-direction:column;gap:1.5rem}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-md);padding:2rem;text-align:center;cursor:pointer;background-color:var(--background);transition:border-color var(--transition-fast),background-color var(--transition-fast);position:relative}.upload-zone:hover{border-color:var(--primary);background-color:var(--primary-light)}.upload-zone-input{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.upload-icon{font-size:2.5rem;color:var(--primary);margin-bottom:.75rem;display:inline-block}.upload-text{font-weight:600;font-size:.95rem}.upload-hint{font-size:.8rem;color:var(--text-muted);margin-top:.25rem}.document-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1.25rem}.doc-card{background-color:var(--background);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;transition:all var(--transition-fast);position:relative}.doc-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow-md)}.doc-thumbnail{aspect-ratio:4/3;width:100%;background-color:var(--surface-hover);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;cursor:pointer;border-bottom:1px solid var(--border)}.doc-thumbnail img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-normal)}.doc-thumbnail:hover img{transform:scale(1.05)}.doc-icon-preview{font-size:3rem}.pdf-badge{position:absolute;top:.5rem;left:.5rem;background-color:var(--danger);color:var(--text-inverse);font-size:.65rem;font-weight:800;padding:.15rem .4rem;border-radius:var(--radius-sm);text-transform:uppercase}.doc-info{padding:.75rem}.doc-name{font-size:.8rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:.25rem}.doc-meta{display:flex;justify-content:space-between;align-items:center}.doc-size{font-size:.7rem;color:var(--text-muted)}.delete-doc-btn{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:.2rem;border-radius:var(--radius-sm);transition:color var(--transition-fast),background-color var(--transition-fast)}.delete-doc-btn:hover{color:var(--danger);background-color:var(--danger-light)}.viewer-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0f172af2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:2000;display:flex;flex-direction:column}.viewer-header{padding:1rem 2rem;border-bottom:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;color:#fff}.viewer-filename{font-weight:600;font-size:1.1rem}.viewer-actions{display:flex;align-items:center;gap:.75rem}.viewer-btn{background:#ffffff14;border:1px solid rgba(255,255,255,.1);color:#fff;border-radius:var(--radius-md);padding:.5rem 1rem;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;font-size:.9rem;transition:all var(--transition-fast)}.viewer-btn:hover{background:#ffffff2e;border-color:#fff3}.viewer-btn-icon{background:none;border:none;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;transition:background-color var(--transition-fast)}.viewer-btn-icon:hover{background-color:#ffffff1a}.viewer-container{flex:1;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:2rem}.viewer-canvas-wrapper{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none}.viewer-image{max-width:90%;max-height:80vh;object-fit:contain;box-shadow:0 25px 50px -12px #00000080;border-radius:var(--radius-sm);transition:transform .1s ease-out;transform-origin:center center}.pdf-iframe-container{width:100%;height:100%;max-width:1000px;max-height:85vh;border-radius:var(--radius-md);overflow:hidden;box-shadow:0 25px 50px -12px #00000080}.pdf-iframe-container iframe{width:100%;height:100%;border:none;background-color:#fff}.nav-arrow-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:10;width:56px;height:56px;border-radius:50%;background-color:#ffffff14;border:1px solid rgba(255,255,255,.1);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast)}.nav-arrow-btn:hover{background-color:#fff3;border-color:#ffffff4d;transform:translateY(-50%) scale(1.05)}.nav-arrow-btn.left{left:2rem}.nav-arrow-btn.right{right:2rem}.zoom-controls{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);display:flex;gap:.5rem;background-color:#0f172acc;border:1px solid rgba(255,255,255,.1);padding:.5rem;border-radius:50px;z-index:10}.zoom-btn{background:none;border:none;color:#fff;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color var(--transition-fast)}.zoom-btn:hover{background-color:#ffffff1a}.zoom-percentage{color:#fff;display:flex;align-items:center;padding:0 .5rem;font-size:.85rem;font-weight:600;min-width:60px;justify-content:center}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;color:var(--text-muted);text-align:center}.empty-icon{font-size:4rem;margin-bottom:1.5rem}.empty-state h3{font-size:1.25rem;color:var(--text);margin-bottom:.5rem}.empty-state p{font-size:.95rem;max-width:400px}@media (max-width: 768px){.main-content,.app-header{padding:1rem}.control-bar{flex-direction:column;align-items:stretch}.search-filter-group{flex-direction:column;max-width:100%}.binder-layout{grid-template-columns:1fr;height:auto;overflow:visible}.binder-sidebar{border-right:none;border-bottom:1px solid var(--border);padding-right:0;padding-bottom:1.5rem;overflow-y:visible;height:auto}.binder-body{padding-left:0;padding-top:1.5rem;overflow-y:visible;height:auto}.form-grid{grid-template-columns:1fr}.form-group.full-width{grid-column:span 1}.nav-arrow-btn{width:44px;height:44px}.nav-arrow-btn.left{left:.5rem}.nav-arrow-btn.right{right:.5rem}.desktop-only{display:none}}