@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--color-bg-primary:#050508;--color-bg-secondary:#0a0a10;--color-bg-tertiary:#101016;--color-surface:#ffffff05;--color-surface-hover:#ffffff0a;--color-surface-active:#ffffff0f;--glass-bg:#14141e66;--glass-border:#ffffff08;--glass-shadow:0 10px 40px #00000080;--glass-blur:blur(24px);--gradient-primary:linear-gradient(135deg, #7c3aed, #06b6d4);--gradient-accent:linear-gradient(135deg, #8b5cf6, #22d3ee);--gradient-subtle:linear-gradient(135deg, #7c3aed14, #06b6d414);--color-text-primary:#f8f8f8;--color-text-secondary:#a0a0b8;--color-text-tertiary:#6b6b85;--color-text-accent:#a78bfa;--color-accent:#8b5cf6;--color-accent-light:#a78bfa;--color-accent-dark:#6d28d9;--color-cyan:#22d3ee;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--border-color:#ffffff0d;--border-radius-sm:8px;--border-radius-md:12px;--border-radius-lg:16px;--border-radius-xl:24px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--shadow-sm:0 2px 8px #0006;--shadow-md:0 4px 16px #0009;--shadow-lg:0 10px 40px #000000b3;--shadow-glow:0 0 20px #8b5cf626;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--color-bg-primary);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;min-height:100vh}.app-layout{grid-template-rows:auto 1fr auto;grid-template-columns:160px 1fr 160px;min-height:100vh;display:grid}.app-header{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);z-index:100;background:#0a0a10cc;grid-column:1/-1;justify-content:center;padding:16px 24px;display:flex;position:sticky;top:0}.header-content{align-items:center;gap:12px;display:flex}.header-title{background:var(--gradient-accent);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.4rem;font-weight:800}.header-subtitle{color:var(--color-text-tertiary);font-size:.8rem;font-weight:500}.sidebar{padding:20px 8px}.sidebar-ad-placeholder{border:1px dashed var(--border-color);border-radius:var(--border-radius-md);opacity:.3;width:100%;min-height:600px}.main-content{width:100%;max-width:1200px;margin:0 auto;padding:24px}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--border-radius-lg);box-shadow:var(--glass-shadow);padding:24px}.btn{border-radius:var(--border-radius-sm);cursor:pointer;font-size:.875rem;font-weight:600;font-family:var(--font-family);border:none;align-items:center;gap:6px;padding:10px 20px;transition:all .2s;display:inline-flex}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 30px #8b5cf64d}.btn-secondary{color:var(--color-text-secondary);border:1px solid var(--border-color);background:#ffffff0d}.btn-secondary:hover{color:var(--color-text-primary);background:#ffffff1a}.form-input{border:1px solid var(--border-color);border-radius:var(--border-radius-sm);width:100%;color:var(--color-text-primary);font-family:var(--font-family);background:#ffffff08;padding:10px 14px;font-size:.9rem;transition:border-color .2s}.form-input:focus{border-color:var(--color-accent);outline:none;box-shadow:0 0 0 2px #8b5cf626}.form-input::placeholder{color:var(--color-text-tertiary)}.notepad-container{grid-template-columns:280px 1fr;gap:16px;min-height:500px;display:grid}.note-list-panel{flex-direction:column;gap:12px;max-height:600px;display:flex}.note-list-header{display:flex}.note-list-header .btn{justify-content:center;width:100%}.note-search-wrap{width:100%}.note-list{flex-direction:column;flex:1;gap:4px;display:flex;overflow-y:auto}.note-list::-webkit-scrollbar{width:4px}.note-list::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}.note-item{border-radius:var(--border-radius-sm);cursor:pointer;border:1px solid #0000;padding:12px;transition:all .2s;position:relative}.note-item:hover{background:var(--color-surface-hover)}.note-item.active{background:var(--gradient-subtle);border-color:#8b5cf633}.note-item-title{color:var(--color-text-primary);text-overflow:ellipsis;white-space:nowrap;margin-bottom:4px;padding-right:24px;font-size:.9rem;font-weight:600;overflow:hidden}.note-item-preview{color:var(--color-text-tertiary);text-overflow:ellipsis;white-space:nowrap;font-size:.75rem;overflow:hidden}.note-item-date{color:var(--color-text-tertiary);margin-top:4px;font-size:.7rem}.note-delete-btn{color:var(--color-text-tertiary);cursor:pointer;opacity:0;background:0 0;border:none;border-radius:4px;padding:2px 6px;font-size:.8rem;transition:all .2s;position:absolute;top:10px;right:8px}.note-item:hover .note-delete-btn{opacity:1}.note-delete-btn:hover{color:var(--color-error);background:#ef44441a}.note-empty{text-align:center;color:var(--color-text-tertiary);padding:40px 16px;font-size:.85rem}.note-editor-panel{flex-direction:column;gap:12px;min-height:500px;display:flex}.note-title-input{border:none;border-bottom:1px solid var(--border-color);width:100%;color:var(--color-text-primary);font-family:var(--font-family);background:0 0;padding:12px 16px;font-size:1.2rem;font-weight:700}.note-title-input:focus{border-bottom-color:var(--color-accent);outline:none}.note-title-input::placeholder{color:var(--color-text-tertiary)}.note-content-input{border:1px solid var(--border-color);border-radius:var(--border-radius-sm);width:100%;min-height:350px;color:var(--color-text-primary);font-family:var(--font-family);resize:vertical;background:#ffffff03;flex:1;padding:16px;font-size:.95rem;line-height:1.7}.note-content-input:focus{border-color:var(--color-accent);outline:none}.note-content-input::placeholder{color:var(--color-text-tertiary)}.note-editor-footer{border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;padding-top:8px;display:flex}.note-stats{color:var(--color-text-tertiary);font-size:.75rem}.note-no-selection{color:var(--color-text-tertiary);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;display:flex}.note-no-selection-icon{opacity:.3;font-size:3rem}.note-no-selection p{font-size:.9rem}.app-footer{text-align:center;color:var(--color-text-tertiary);border-top:1px solid var(--border-color);grid-column:1/-1;padding:24px;font-size:.8rem}.footer-link{color:var(--color-text-secondary);text-decoration:none;transition:color .2s}.footer-link:hover{color:var(--color-text-accent)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.app-layout{grid-template-columns:1fr}.sidebar{display:none}.main-content{padding:16px}.notepad-container{grid-template-columns:1fr}.note-list-panel{max-height:250px}}