:root{--bg-dark: #0f172a;--bg-card: #1e293b;--bg-sidebar: #111827;--bg-glass: rgba(30, 41, 59, .7);--text-main: #f8fafc;--text-muted: #94a3b8;--primary: #3b82f6;--primary-hover: #2563eb;--accent: #8b5cf6;--danger: #ef4444;--danger-hover: #dc2626;--border-light: rgba(255, 255, 255, .1);--sidebar-width: 250px}body{margin:0;font-family:Inter,system-ui,sans-serif;background-color:var(--bg-dark);color:var(--text-main);line-height:1.5;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border-light);height:100vh;position:fixed;left:0;top:0;padding:1.5rem;box-sizing:border-box;display:flex;flex-direction:column;overflow-y:auto;z-index:10;transition:transform .3s}.main-content{flex:1;margin-left:var(--sidebar-width);padding:2rem;width:calc(100% - var(--sidebar-width));box-sizing:border-box}@media(max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0;width:100%;padding:1rem}}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;color:var(--text-muted);text-decoration:none;border-radius:.5rem;margin-bottom:.5rem;cursor:pointer;transition:all .2s}.nav-item:hover{background:#ffffff0d;color:#fff}.nav-item.active{background:#3b82f61a;color:var(--primary);border:1px solid rgba(59,130,246,.2)}.nav-section-title{text-transform:uppercase;font-size:.75rem;color:#64748b;font-weight:700;margin:1.5rem 0 .75rem .5rem;letter-spacing:.05em}h1,h2,h3{margin:0}.text-gradient{background:linear-gradient(135deg,#60a5fa,#c084fc);-webkit-background-clip:text;background-clip:text;color:transparent}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1.2rem;border-radius:.5rem;font-weight:600;border:none;cursor:pointer;transition:transform .1s,box-shadow .2s,background-color .2s;font-size:.95rem;color:#fff}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 4px 12px #3b82f64d}.btn-primary:hover{box-shadow:0 6px 16px #3b82f666}.btn-icon{background:var(--bg-card);color:var(--text-muted);padding:.6rem;border-radius:50%;border:none;display:flex;justify-content:center;align-items:center;cursor:pointer;transition:all .2s}.btn-icon:hover{background:var(--bg-glass);color:#fff}.app-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:1.5rem;border-bottom:1px solid var(--border-light);margin-bottom:2rem}.brand{display:flex;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:700}.hero{min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;color:var(--text-muted);width:100%}.hero h1{font-size:3rem;margin-bottom:1rem}.hero p{max-width:500px;margin-bottom:2rem;font-size:1.1rem}.hero-icon{font-size:5rem;margin-bottom:1rem;opacity:.5}.gallery-grid{column-count:1;column-gap:1.5rem}@media(min-width:640px){.gallery-grid{column-count:2}}@media(min-width:1024px){.gallery-grid{column-count:3}}@media(min-width:1400px){.gallery-grid{column-count:4}}.gallery-item{break-inside:avoid;margin-bottom:1.5rem;border-radius:1rem;background:var(--bg-card);overflow:hidden;position:relative;box-shadow:0 4px 6px #0000001a;transition:transform .3s}.gallery-item:hover{transform:translateY(-4px);box-shadow:0 10px 20px #0003}.gallery-item img{width:100%;height:auto;display:block}.item-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.8),transparent);opacity:0;transition:opacity .3s;display:flex;flex-direction:column;justify-content:flex-end;padding:1.5rem}.gallery-item:hover .item-overlay,.gallery-item:has(.item-actions *:active) .item-overlay,.gallery-item:has(.item-actions *:focus) .item-overlay,.gallery-item.overlay-locked .item-overlay{opacity:1}.item-actions{display:flex;gap:.5rem;transform:translateY(20px);transition:transform .3s}.gallery-item:hover .item-actions,.gallery-item:has(.item-actions *:active) .item-actions,.gallery-item:has(.item-actions *:focus) .item-actions,.gallery-item.overlay-locked .item-actions{transform:translateY(0)}.modal-overlay{position:fixed;inset:0;background:#000c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;display:flex;align-items:center;justify-content:center}.modal-content{background:var(--bg-card);border:1px solid var(--border-light);border-radius:1rem;padding:2rem;width:90%;max-width:500px;position:relative}.close-btn{position:absolute;top:1rem;right:1rem;background:none;border:none;color:var(--text-muted);font-size:1.2rem;cursor:pointer}.close-btn:hover{color:#fff}.form-group{margin-bottom:1rem}.form-label{display:block;font-size:.875rem;color:var(--text-muted);margin-bottom:.4rem}.input-field{width:100%;padding:.75rem;border-radius:.5rem;border:1px solid #334155;background:#0f172a;color:#fff;font-size:1rem;box-sizing:border-box}.input-field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px #3b82f633}.dropzone{border:2px dashed #475569;border-radius:1rem;padding:3rem;text-align:center;cursor:pointer;transition:all .2s;background:#1e293b4d}.dropzone.active{border-color:var(--primary);background:#3b82f61a}.dropzone:hover{border-color:#94a3b8}.spinner{width:2rem;height:2rem;border:3px solid var(--primary);border-top-color:transparent;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.text-muted{color:var(--text-muted)}.mt-2{margin-top:.5rem}.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hidden{display:none}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--bg-dark) 0%,#1a2744 100%);padding:2rem}.login-box{background:var(--bg-card);border:1px solid var(--border-light);border-radius:1.5rem;padding:3rem;width:100%;max-width:420px;box-shadow:0 20px 40px #0006}.login-header{text-align:center;margin-bottom:2.5rem}.login-icon{width:80px;height:80px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:1rem;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;color:#fff;box-shadow:0 10px 30px #3b82f64d}.login-header h1{font-size:1.75rem;margin-bottom:.5rem}.login-header p{color:var(--text-muted);font-size:1rem}.login-form{margin-bottom:1.5rem}.password-input-wrapper{position:relative;display:flex;align-items:center}.password-input-wrapper .input-field{padding-right:3rem}.toggle-password{position:absolute;right:.75rem;background:none;border:none;color:var(--text-muted);cursor:pointer;padding:.5rem;display:flex;align-items:center;justify-content:center;transition:color .2s}.toggle-password:hover{color:var(--text-main)}.error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--danger);padding:.75rem 1rem;border-radius:.5rem;margin-bottom:1rem;font-size:.875rem}.login-button{width:100%;justify-content:center;padding:.875rem;font-size:1rem;margin-top:.5rem}.login-footer{text-align:center;color:var(--text-muted);font-size:.875rem}.login-footer p{margin:0;opacity:.7}