:root{--bg-page: #f9fafb;--bg-card: #ffffff;--text-primary: #111827;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--border-color: #e5e7eb;--bg-upload: #f9fafb;--border-upload: #d1d5db;--bg-input: #ffffff;--border-input: #d1d5db;--bg-btn-sec: #ffffff;--text-btn-sec: #374151;--border-btn-sec: #e5e7eb}.dark{--bg-page: #0A0A0E;--bg-card: #1A1A1E;--text-primary: #ffffff;--text-secondary: #9ca3af;--text-tertiary: #4b5563;--border-color: #2A2A2E;--bg-upload: rgba(10, 10, 14, .5);--border-upload: #2A2A2E;--bg-input: #0A0A0E;--border-input: #2A2A2E;--bg-btn-sec: #2A2A2E;--text-btn-sec: #e5e7eb;--border-btn-sec: #3A3A3E}body{transition:background-color .3s,color .3s}.app-page{background-color:var(--bg-page);color:var(--text-primary);min-height:100vh;transition:background-color .3s,color .3s}.app-card{background-color:var(--bg-card);border:1px solid var(--border-color);transition:background-color .3s,border-color .3s}.app-text-secondary{color:var(--text-secondary)}.app-text-tertiary{color:var(--text-tertiary)}.app-border{border-color:var(--border-color)}.app-input{background-color:var(--bg-input);border:1px solid var(--border-input);color:var(--text-primary);outline:none;transition:all .2s}.app-input:focus{border-color:#3b82f6;box-shadow:0 0 0 2px #3b82f633}.app-btn-primary{background-color:#2563eb;color:#fff;border:1px solid transparent;transition:all .2s}.app-btn-primary:hover{background-color:#1d4ed8}.app-btn-secondary{background-color:var(--bg-btn-sec);color:var(--text-btn-sec);border:1px solid var(--border-btn-sec);transition:all .2s}.app-btn-secondary:hover{filter:brightness(.95)}.dark .app-btn-secondary:hover{filter:brightness(1.1)}.app-active-selection{background-color:#3b82f61a;border-color:#3b82f6;color:#2563eb}.dark .app-active-selection{background-color:#1e3a8a33;color:#93c5fd}.app-upload-area{background-color:var(--bg-upload);border:2px dashed var(--border-upload);cursor:pointer;transition:all .2s}.app-upload-area:hover{border-color:#3b82f6;background-color:#3b82f60d}.app-badge{background-color:var(--bg-upload);border:1px solid var(--border-color);color:var(--text-tertiary)}.app-surface-secondary{background-color:var(--bg-page)}