:root{--bg-color: #0f172a;--text-color: #f1f5f9;--text-muted: #94a3b8;--primary-color: #3b82f6;--primary-hover: #2563eb;--surface-color: #1e293b;--surface-border: #334155;--glass-bg: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .1);--radius: 12px;--font-sans: "Inter", system-ui, sans-serif}body{margin:0;font-family:var(--font-sans);background-color:var(--bg-color);color:var(--text-color);line-height:1.5;-webkit-font-smoothing:antialiased}#root{display:flex;justify-content:center;padding:2rem;min-height:100vh}h1,h2,h3{margin:0 0 1rem;font-weight:700}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:8px;font-weight:600;border:none;cursor:pointer;transition:all .2s ease;font-size:.95rem}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:#fff;box-shadow:0 4px 12px #3b82f64d}.btn-primary:not(:disabled):hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn-secondary{background-color:transparent;color:var(--text-muted)}.btn-secondary:hover{color:var(--text-color);background-color:#ffffff0d}.rich-editor-container{width:100%;max-width:640px;background-color:var(--surface-color);border:1px solid var(--surface-border);border-radius:var(--radius);overflow:hidden;box-shadow:0 20px 40px #0006;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:box-shadow .3s ease}.rich-editor-container:focus-within{box-shadow:0 0 0 2px #3b82f680,0 20px 40px #0006}.editor-toolbar{display:flex;align-items:center;gap:.5rem;padding:.5rem;border-bottom:1px solid var(--surface-border);background-color:#0003}.toolbar-btn{background:none;border:none;color:var(--text-muted);padding:.5rem;border-radius:6px;cursor:pointer;display:flex;transition:color .2s,background-color .2s}.toolbar-btn:hover{color:var(--primary-color);background-color:#3b82f61a}.separator{width:1px;height:1.25rem;background-color:var(--surface-border);margin:0 .5rem}.spacer{flex:1}.editor-area{position:relative}.editor-textarea{width:100%;min-height:180px;padding:1.25rem;background:transparent;border:none;color:var(--text-color);font-size:1.1rem;font-family:inherit;resize:none;outline:none;display:block;box-sizing:border-box}.editor-textarea::placeholder{color:#94a3b880}.editor-footer{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background-color:#0003;border-top:1px solid var(--surface-border)}.markdown-badge{display:flex;align-items:center;gap:.25rem;font-size:.75rem;color:var(--text-muted)}.image-preview-area{padding:1rem;border-top:1px solid var(--surface-border);background:#0000001a;display:flex;flex-direction:column;gap:.75rem}.image-preview-container{position:relative;display:inline-block;max-width:100%}.image-preview{max-width:100%;max-height:300px;border-radius:8px;border:1px solid var(--surface-border);background:#000}.remove-image-btn{position:absolute;top:-8px;right:-8px;background:#ef4444;color:#fff;border:none;border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 4px #0003;transition:transform .2s}.remove-image-btn:hover{transform:scale(1.1);background:#dc2626}.alt-text-input{width:100%;padding:.6rem;border-radius:6px;border:1px solid var(--surface-border);background:#0003;color:var(--text-color);font-family:inherit;font-size:.9rem}.alt-text-input:focus{outline:none;border-color:var(--primary-color)}.modal-overlay{position:fixed;inset:0;background-color:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease-out}.modal-content{background-color:var(--surface-color);border:1px solid var(--surface-border);border-radius:var(--radius);width:100%;max-width:400px;padding:1.5rem;box-shadow:0 25px 50px -12px #00000080;animation:slideIn .2s ease-out}.modal-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem}.modal-header h2{font-size:1.25rem;color:var(--text-color)}.icon-button{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:0}.icon-button:hover{color:var(--text-color)}.auth-form{display:flex;flex-direction:column;gap:1.25rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-size:.875rem;font-weight:500;color:var(--text-muted)}.form-group input{padding:.75rem;border-radius:8px;border:1px solid var(--surface-border);background-color:#0000004d;color:var(--text-color);font-size:1rem;transition:border-color .2s}.form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f633}.helper-text{font-size:.75rem;color:var(--text-muted);margin:0;opacity:.8}.error-message{padding:.75rem;background-color:#ef44441a;border:1px solid rgba(239,68,68,.2);color:#fca5a5;border-radius:6px;font-size:.875rem}.modal-footer{display:flex;justify-content:flex-end;gap:1rem;margin-top:.5rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}