:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-light: #dbeafe;--color-text-primary: #1f2937;--color-text-secondary: #6b7280;--color-text-tertiary: #9ca3af;--color-bg-primary: #ffffff;--color-bg-secondary: #f9fafb;--color-bg-tertiary: #f3f4f6;--color-border: #e5e7eb;--color-border-focus: #3b82f6;--color-error: #dc2626;--color-error-bg: #fef2f2;--color-success: #16a34a;--color-success-bg: #f0fdf4;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-weight-light: 300;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-family);font-size:var(--font-size-base);font-weight:var(--font-weight-normal);line-height:1.6;color:var(--color-text-primary);background-color:var(--color-bg-secondary);min-height:100vh;margin:0}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-semibold);line-height:1.2;color:var(--color-text-primary);margin:0}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}p{margin:0;line-height:1.6}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover)}button{font-family:inherit;font-size:inherit;line-height:inherit;cursor:pointer;border:none;background:none;padding:0;margin:0}button:disabled{cursor:not-allowed;opacity:.6}input,textarea,select{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit;border:none;background:none;padding:0;margin:0}input:focus,textarea:focus,select:focus{outline:none}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-primary{color:var(--color-text-primary)}.text-secondary{color:var(--color-text-secondary)}.text-tertiary{color:var(--color-text-tertiary)}.text-error{color:var(--color-error)}.text-success{color:var(--color-success)}.font-light{font-weight:var(--font-weight-light)}.font-normal{font-weight:var(--font-weight-normal)}.font-medium{font-weight:var(--font-weight-medium)}.font-semibold{font-weight:var(--font-weight-semibold)}.font-bold{font-weight:var(--font-weight-bold)}.transition-all{transition:all var(--transition-base)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.fade-in{animation:fadeIn var(--transition-slow) ease-out}.slide-in{animation:slideIn var(--transition-slow) ease-out}.phone-input-wrapper{width:100%;position:relative}.phone-input-label{display:block;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary);margin-bottom:var(--spacing-sm)}.phone-input-container{position:relative;width:100%;display:flex;align-items:center;border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-bg-primary);transition:all var(--transition-base)}.phone-input-container.focused{border-color:var(--color-border-focus);box-shadow:0 0 0 3px #2563eb1a}.phone-input-container.error{border-color:var(--color-error)}.phone-input-container.error.focused{box-shadow:0 0 0 3px #dc26261a}.phone-input-container.dropdown-open{border-color:var(--color-border-focus);box-shadow:0 0 0 3px #2563eb1a}.phone-country-selector{position:relative}.phone-country-code-btn{display:flex;align-items:center;gap:6px;padding:var(--spacing-md);padding-right:var(--spacing-sm);font-size:var(--font-size-base);color:var(--color-text-primary);font-weight:var(--font-weight-medium);border:none;border-right:1px solid var(--color-border);background:transparent;cursor:pointer;white-space:nowrap;transition:background-color .2s}.phone-country-code-btn:hover{background-color:#00000005}.phone-country-flag{font-size:18px;line-height:1}.phone-country-code-text{font-size:var(--font-size-base);font-weight:var(--font-weight-medium)}.phone-country-arrow{font-size:10px;color:var(--color-text-tertiary);transition:transform .2s;margin-left:2px}.phone-input-container.dropdown-open .phone-country-arrow{transform:rotate(180deg)}.phone-country-dropdown{position:absolute;top:calc(100% + 4px);left:0;z-index:1000;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:0 4px 12px #00000026;max-height:300px;overflow-y:auto;min-width:200px;animation:slideDown .2s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.phone-country-option{display:flex;align-items:center;gap:10px;width:100%;padding:12px var(--spacing-md);border:none;background:transparent;text-align:left;cursor:pointer;transition:background-color .2s;font-size:var(--font-size-base);color:var(--color-text-primary)}.phone-country-option:hover{background-color:#2563eb0d}.phone-country-option.active{background-color:#2563eb1a;font-weight:var(--font-weight-medium)}.phone-country-option .phone-country-flag{font-size:18px;flex-shrink:0}.phone-country-option .phone-country-name{flex:1;text-align:left}.phone-country-option .phone-country-code-text{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:var(--font-weight-medium)}.phone-input{flex:1;padding:var(--spacing-md);font-size:var(--font-size-base);color:var(--color-text-primary);background:transparent;border:none;outline:none}.phone-input::placeholder{color:var(--color-text-tertiary)}.phone-input-error{margin-top:var(--spacing-sm);font-size:var(--font-size-sm);color:var(--color-error);animation:slideIn var(--transition-base) ease-out}.otp-input-wrapper{width:100%}.otp-input-container{display:flex;gap:var(--spacing-sm);justify-content:center}.otp-input{width:48px;height:56px;font-size:var(--font-size-2xl);font-weight:var(--font-weight-semibold);text-align:center;color:var(--color-text-primary);background-color:var(--color-bg-primary);border:2px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-base);outline:none;caret-color:var(--color-primary)}.otp-input:hover:not(:disabled){border-color:var(--color-text-tertiary)}.otp-input.focused{border-color:var(--color-border-focus);box-shadow:0 0 0 3px #2563eb1a;transform:scale(1.05)}.otp-input.filled{border-color:var(--color-primary);background-color:var(--color-primary-light)}.otp-input.error{border-color:var(--color-error)}.otp-input.error.focused{box-shadow:0 0 0 3px #dc26261a}.otp-input:disabled{background-color:var(--color-bg-tertiary);cursor:not-allowed;opacity:.6}.otp-input-error{margin-top:var(--spacing-md);text-align:center;font-size:var(--font-size-sm);color:var(--color-error);animation:slideIn var(--transition-base) ease-out}@media(max-width:480px){.otp-input{width:40px;height:48px;font-size:var(--font-size-xl)}.otp-input-container{gap:var(--spacing-xs)}}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-md) var(--spacing-xl);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);line-height:1.5;border-radius:var(--radius-md);transition:all var(--transition-base);cursor:pointer;border:none;outline:none;user-select:none;white-space:nowrap}.btn:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px}.btn-primary{background-color:var(--color-primary);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow-sm)}.btn-secondary{background-color:var(--color-bg-primary);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background-color:var(--color-bg-tertiary);border-color:var(--color-text-tertiary)}.btn-full-width{width:100%}.btn:disabled{cursor:not-allowed;opacity:.6}.btn-loading{position:relative;pointer-events:none}.btn-spinner{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.btn-secondary .spinner{border-color:#0000001a;border-top-color:var(--color-primary)}.btn-loading-text{opacity:.8}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg);background:linear-gradient(135deg,#f5f7fa,#e8eef5)}.login-container{width:100%;max-width:420px;background-color:var(--color-bg-primary);border-radius:var(--radius-xl);padding:var(--spacing-3xl) var(--spacing-xl);box-shadow:var(--shadow-xl)}.login-header{text-align:center;margin-bottom:var(--spacing-2xl)}.login-title{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-sm);letter-spacing:2px}.login-subtitle{font-size:var(--font-size-base);color:var(--color-text-secondary);font-weight:var(--font-weight-normal)}.login-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.success-message{padding:var(--spacing-md);background-color:var(--color-success-bg);color:var(--color-success);border-radius:var(--radius-md);font-size:var(--font-size-sm);text-align:center;animation:slideIn var(--transition-base) ease-out}.login-hint{text-align:center;font-size:var(--font-size-sm);color:var(--color-text-tertiary);margin:0}.otp-section{display:flex;flex-direction:column;gap:var(--spacing-lg)}.otp-label{text-align:center;font-size:var(--font-size-sm);color:var(--color-text-secondary)}.otp-label strong{color:var(--color-text-primary);font-weight:var(--font-weight-semibold)}.otp-actions{display:flex;gap:var(--spacing-sm);justify-content:space-between}.otp-actions button{flex:1;font-size:var(--font-size-sm);padding:var(--spacing-sm) var(--spacing-md)}@media(max-width:480px){.login-page{padding:var(--spacing-md)}.login-container{padding:var(--spacing-2xl) var(--spacing-lg)}.login-title{font-size:var(--font-size-2xl)}.otp-actions{flex-direction:column}.otp-actions button{width:100%}}.import-card{background-color:#fff;border-radius:16px;padding:24px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 8px #0000000a;transition:all .2s ease;cursor:pointer;border:1px solid transparent;height:100px}.import-card:hover{transform:translateY(-2px);box-shadow:0 8px 16px #00000014;border-color:#0000000d}.import-card-left{display:flex;align-items:center;gap:16px}.import-card-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;background-color:#f5f5f7;color:#333}.import-card-info{display:flex;flex-direction:column;gap:4px}.import-card-title{font-size:16px;font-weight:600;color:#1d1d1f;margin:0}.import-card-desc{font-size:12px;color:#86868b;margin:0}.import-card-action{padding:6px 12px;border-radius:14px;background-color:#f5f5f7;color:#1d1d1f;font-size:12px;font-weight:500;border:none;cursor:pointer;transition:background-color .2s}.import-card:hover .import-card-action{background-color:#e8e8ed}.import-card.disabled{opacity:.6;cursor:not-allowed}.import-card.disabled:hover{transform:none;box-shadow:0 2px 8px #0000000a}.home-page{min-height:100vh;display:flex;justify-content:center;padding:40px 20px;background-color:#f2f2f2}.home-container{width:100%;max-width:1000px}.home-header{margin-bottom:32px}.home-title{font-size:24px;font-weight:600;color:#1d1d1f;margin:0}.import-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:32px}.help-section{background-color:#fff;border-radius:16px;padding:24px;margin-bottom:32px}.help-title{font-size:16px;font-weight:600;color:#1d1d1f;margin-bottom:16px;display:flex;align-items:center;gap:8px}.help-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}.help-list li{font-size:14px;color:#424245;line-height:1.5}.upload-progress-container{margin-bottom:20px}.upload-progress-card{background-color:#fff;border-radius:16px;padding:20px;box-shadow:0 2px 8px #0000000a}.upload-progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px;font-weight:500;color:#1d1d1f}.upload-progress-percent{color:#64748b;font-weight:600}.upload-progress-bar{width:100%;height:8px;background-color:#f1f5f9;border-radius:4px;overflow:hidden;margin-bottom:8px}.upload-progress-fill{height:100%;background:linear-gradient(90deg,#3b82f6,#2563eb);transition:width .3s ease;border-radius:4px}.upload-progress-info{display:flex;justify-content:space-between;font-size:12px;color:#64748b}.upload-message{display:flex;align-items:center;justify-content:space-between;background-color:#fff;border-radius:12px;padding:16px 20px;margin-bottom:20px;box-shadow:0 2px 8px #0000000a;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.upload-message-success{border-left:4px solid #10b981}.upload-message-error{border-left:4px solid #ef4444}.upload-message-info{border-left:4px solid #3b82f6}.upload-message-content{display:flex;align-items:center;gap:12px;flex:1}.upload-message-content svg{flex-shrink:0}.upload-message-success svg{color:#10b981}.upload-message-error svg{color:#ef4444}.upload-message-info svg{color:#3b82f6}.upload-message-text{flex:1}.upload-message-title{font-size:14px;font-weight:500;color:#1d1d1f;margin-bottom:2px;white-space:pre-line;word-break:break-word}.upload-message-subtitle{font-size:12px;color:#64748b;margin-top:2px}.upload-message-close{background:none;border:none;cursor:pointer;padding:4px;color:#86868b;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color .2s;flex-shrink:0;margin-left:12px}.upload-message-close:hover{background-color:#f5f5f7;color:#1d1d1f}.image-preview-overlay{position:fixed;inset:0;background-color:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;animation:fadeIn .2s ease-out}.image-preview-modal{background-color:#fff;border-radius:16px;width:100%;max-width:600px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #0000004d;animation:slideUp .3s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.image-preview-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid #e5e7eb}.image-preview-title{font-size:18px;font-weight:600;color:#1d1d1f;margin:0}.image-preview-close{background:none;border:none;cursor:pointer;padding:4px;color:#86868b;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s}.image-preview-close:hover{background-color:#f5f5f7;color:#1d1d1f}.image-preview-content{flex:1;overflow:auto;padding:24px;display:flex;flex-direction:column;gap:24px}.image-preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;width:100%}.image-preview-item{display:flex;flex-direction:column;gap:8px}.image-preview-container{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;background-color:#f9fafb;border-radius:12px;overflow:hidden;border:1px solid #e5e7eb}.image-preview-img{width:100%;height:100%;object-fit:contain;display:block}.image-preview-info{display:flex;flex-direction:column;gap:4px;width:100%;padding:8px 12px;background-color:#f9fafb;border-radius:8px}.image-preview-filename{font-size:13px;font-weight:500;color:#1d1d1f;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.4}.image-preview-size{font-size:11px;color:#64748b}.image-preview-comment{width:100%;margin-top:8px}.comment-input{width:100%;padding:8px 12px;font-size:13px;line-height:1.5;color:#1d1d1f;background-color:#fff;border:1px solid #e5e7eb;border-radius:8px;resize:vertical;font-family:inherit;transition:all .2s;box-sizing:border-box}.image-preview-summary{padding:12px 16px;background-color:#f0f9ff;border-radius:8px;font-size:14px;color:#1d1d1f;text-align:center;border:1px solid #bfdbfe}.document-preview-modal{max-width:800px}.document-preview-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.document-preview-item{min-width:0}.document-preview-container{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:12px;border:2px dashed #cbd5e1;transition:all .2s}.document-preview-item:hover .document-preview-container{border-color:#94a3b8;background:linear-gradient(135deg,#f1f5f9,#e2e8f0);transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.document-preview-icon-wrapper{display:flex;align-items:center;justify-content:center;width:100%;height:100%;padding:16px}.document-preview-icon{color:#475569;transition:all .2s}.document-preview-item:hover .document-preview-icon{color:#334155;transform:scale(1.1)}.document-preview-info{margin-top:8px}.document-preview-filename{font-size:12px;font-weight:500}.image-preview-actions{display:flex;gap:12px;padding:20px 24px;border-top:1px solid #e5e7eb}.image-preview-btn{flex:1;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px;border:none}.image-preview-btn:disabled{opacity:.6;cursor:not-allowed}.image-preview-btn-cancel{background-color:#f3f4f6;color:#374151}.image-preview-btn-cancel:hover:not(:disabled){background-color:#e5e7eb}.image-preview-btn-confirm{background-color:#3b82f6;color:#fff}.image-preview-btn-confirm:hover:not(:disabled){background-color:#2563eb}@media(max-width:768px){.import-grid{grid-template-columns:1fr}.home-page{padding:20px}.image-preview-modal{max-width:100%;max-height:95vh}.image-preview-content{padding:16px}.image-preview-actions{flex-direction:column-reverse;padding:16px}.image-preview-btn{width:100%}}.datetime-picker-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-in-out}.datetime-picker-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 8px 32px #00000026;max-width:500px;width:90%;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.datetime-picker-title{margin:0 0 20px;font-size:20px;font-weight:600;color:#1a1a1a;text-align:center}.datetime-picker-selectors{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.datetime-picker-selectors-compact{grid-template-columns:repeat(2,1fr)}.datetime-picker-field{display:flex;flex-direction:column;gap:8px}.datetime-picker-field label{font-size:14px;font-weight:500;color:#666}.datetime-picker-select{padding:10px 12px;border:1px solid #ddd;border-radius:8px;font-size:15px;color:#1a1a1a;background-color:#f8f9fa;cursor:pointer;transition:all .2s;outline:none}.datetime-picker-select:hover{border-color:#4a90e2;background-color:#fff}.datetime-picker-select:focus{border-color:#4a90e2;background-color:#fff;box-shadow:0 0 0 3px #4a90e21a}.datetime-picker-actions{display:flex;gap:12px;justify-content:flex-end}.datetime-picker-btn{padding:10px 24px;border:none;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s;outline:none}.datetime-picker-btn-cancel{background-color:#f0f0f0;color:#666}.datetime-picker-btn-cancel:hover{background-color:#e0e0e0}.datetime-picker-btn-cancel:active{transform:scale(.98)}.datetime-picker-btn-confirm{background-color:#4a90e2;color:#fff}.datetime-picker-btn-confirm:hover{background-color:#357abd}.datetime-picker-btn-confirm:active{transform:scale(.98)}@media(max-width:600px){.datetime-picker-card{width:95%;padding:20px}.datetime-picker-selectors{grid-template-columns:repeat(2,1fr);gap:12px}.datetime-picker-title{font-size:18px;margin-bottom:16px}.datetime-picker-select{padding:8px 10px;font-size:14px}.datetime-picker-btn{padding:8px 20px;font-size:14px}}.preview-page{min-height:100vh;background-color:#f2f2f2;display:flex;flex-direction:column}.preview-page-container{width:100%;max-width:1200px;margin:0 auto;padding:24px;display:flex;flex-direction:column;flex:1}.preview-page-header{display:flex;align-items:center;justify-content:space-between;padding:20px 0;margin-bottom:24px;border-bottom:2px solid #e5e7eb}.preview-page-back-btn{display:flex;align-items:center;gap:8px;padding:8px 16px;background-color:#f3f4f6;border:none;border-radius:8px;font-size:14px;font-weight:500;color:#374151;cursor:pointer;transition:all .2s}.preview-page-back-btn:hover:not(:disabled){background-color:#e5e7eb;color:#1d1d1f}.preview-page-back-btn:disabled{opacity:.6;cursor:not-allowed}.preview-page-title{font-size:20px;font-weight:600;color:#1d1d1f;margin:0;text-align:center;flex:1}.preview-page-add-btn{display:flex;align-items:center;gap:8px;padding:8px 16px;background-color:#007aff;border:none;border-radius:8px;font-size:14px;font-weight:500;color:#fff;cursor:pointer;transition:all .2s;min-width:120px;justify-content:center}.preview-page-add-btn:hover:not(:disabled){background-color:#0051d5;transform:translateY(-1px);box-shadow:0 2px 8px #007aff4d}.preview-page-add-btn:active:not(:disabled){transform:translateY(0);box-shadow:0 1px 4px #007aff33}.preview-page-add-btn:disabled{opacity:.6;cursor:not-allowed;background-color:#94a3b8}.preview-page-content{flex:1;overflow-y:auto;padding:0 0 24px;display:flex;flex-direction:column;gap:32px}.date-group{display:flex;flex-direction:column;gap:16px}.date-group-header{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:2px solid #e5e7eb}.date-group-header-left{display:flex;align-items:center;gap:12px}.date-group-title{font-size:16px;font-weight:600;color:#1d1d1f;margin:0}.date-group-count{font-size:14px;color:#64748b;font-weight:500}.preview-grid{display:grid;gap:16px;width:100%}.preview-grid-image,.preview-grid-document{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.preview-grid-video{grid-template-columns:1fr}.preview-item{display:flex;flex-direction:column;gap:8px}.preview-image-container{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;background-color:#f9fafb;border-radius:8px;overflow:hidden;border:1px solid #e5e7eb}.preview-image{width:100%;height:100%;object-fit:contain;display:block}.preview-image-error{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background-color:#f3f4f6;color:#6b7280;font-size:12px;text-align:center;padding:8px}.preview-document-container{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:8px;border:2px dashed #cbd5e1;transition:all .2s}.preview-item-document:hover .preview-document-container{border-color:#94a3b8;background:linear-gradient(135deg,#f1f5f9,#e2e8f0);transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.preview-document-icon-wrapper{display:flex;align-items:center;justify-content:center;width:100%;height:100%;padding:12px}.preview-document-icon{color:#475569;transition:all .2s}.preview-item-document:hover .preview-document-icon{color:#334155;transform:scale(1.1)}.preview-video-container{position:relative;width:fit-content;max-width:100%;max-height:500px;display:flex;align-items:center;justify-content:center;background-color:#000;border-radius:8px;overflow:hidden;border:1px solid #e5e7eb;margin:0 auto}.preview-video{width:auto;height:auto;max-height:500px;max-width:100%;object-fit:contain;display:block}.preview-video-container-landscape{position:relative;width:100%;max-width:800px;max-height:600px;display:flex;align-items:center;justify-content:center;background-color:#000;border-radius:8px;overflow:hidden;border:1px solid #e5e7eb;margin:0 auto}.preview-info{display:flex;flex-direction:column;gap:4px;width:100%;padding:6px 10px;background-color:#f9fafb;border-radius:6px}.preview-filename{font-size:12px;font-weight:500;color:#1d1d1f;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.4}.preview-size{font-size:10px;color:#64748b}.preview-comment{width:100%;margin-top:4px}.comment-input{width:100%;padding:6px 10px;font-size:12px;line-height:1.4;color:#1d1d1f;background-color:#fff;border:1px solid #e5e7eb;border-radius:6px;resize:vertical;font-family:inherit;transition:all .2s;box-sizing:border-box}.comment-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.comment-input::placeholder{color:#9ca3af}.preview-page-footer{display:flex;gap:12px;padding:20px 0;border-top:2px solid #e5e7eb;margin-top:24px}.preview-page-btn{flex:1;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px;border:none}.preview-page-btn:disabled{opacity:.6;cursor:not-allowed}.preview-page-btn-cancel{background-color:#f3f4f6;color:#374151}.preview-page-btn-cancel:hover:not(:disabled){background-color:#e5e7eb;color:#1d1d1f}.preview-page-btn-confirm{background-color:#3b82f6;color:#fff}.preview-page-btn-confirm:hover:not(:disabled){background-color:#2563eb}.btn-spinner-small{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.preview-item-edit-time-btn-inline{width:100%;padding:6px 10px;display:flex;align-items:center;justify-content:center;gap:6px;background-color:#3b82f61a;border:1px solid rgba(59,130,246,.3);border-radius:6px;color:#3b82f6;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s;margin-top:4px}.preview-item-edit-time-btn-inline:hover:not(:disabled){background-color:#3b82f626;border-color:#3b82f680;color:#2563eb}.preview-item-edit-time-btn-inline:disabled{opacity:.5;cursor:not-allowed}.preview-item-delete-btn{position:absolute;top:8px;right:8px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background-color:#0009;border:none;border-radius:50%;color:#fff;cursor:pointer;transition:all .2s;z-index:10;opacity:0}.preview-item:hover .preview-item-delete-btn{opacity:1}.preview-item-delete-btn:hover:not(:disabled){background-color:#dc2626e6;transform:scale(1.1)}.preview-item-delete-btn:disabled{opacity:.5;cursor:not-allowed}.preview-image-container,.preview-document-container,.preview-video-container,.preview-video-container-landscape{position:relative}.preview-upload-progress-container{margin:20px 0;animation:fadeIn .2s ease-out}.preview-upload-progress-card{background-color:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 8px #00000014}.preview-upload-progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px;font-weight:600;color:#1d1d1f}.preview-upload-progress-percent{color:#3b82f6;font-weight:700;font-size:16px}.preview-upload-progress-info{display:flex;justify-content:space-between;font-size:12px;color:#64748b;margin-bottom:12px}.preview-upload-progress-bar{width:100%;height:8px;background-color:#f1f5f9;border-radius:4px;overflow:hidden;margin-bottom:8px}.preview-upload-progress-fill{height:100%;background:linear-gradient(90deg,#3b82f6,#2563eb);transition:width .3s ease;border-radius:4px}.preview-upload-progress-size{font-size:12px;color:#64748b;text-align:right}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media(max-width:768px){.preview-page-container{padding:16px}.preview-grid-image,.preview-grid-document{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:12px}.preview-grid-video{grid-template-columns:1fr;gap:12px}.preview-video-container,.preview-video{max-height:400px}.preview-video-container-landscape{max-width:100%;max-height:400px}.preview-page-title{font-size:18px}}.app-loading{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-lg);background:linear-gradient(135deg,#f5f7fa,#e8eef5)}.loading-spinner{width:48px;height:48px;border:4px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.app-loading p{font-size:var(--font-size-base);color:var(--color-text-secondary);font-weight:var(--font-weight-medium)}@keyframes spin{to{transform:rotate(360deg)}}