*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-dark: #121212;--color-dark-soft: #252525;--color-white: #ffffff;--color-gray-bg: #F5F7FA;--color-gray-border: #E6E8EC;--color-gray-text: #6B7280;--color-green: #1B4D3E;--color-green-light: #E0F2EA;--color-accent: #121212;--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display: "Archivo", system-ui, -apple-system, sans-serif;--sidebar-width: 280px;--header-height: 80px;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-card: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, .03);--shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -2px rgba(0, 0, 0, .025);--transition: all .2s cubic-bezier(.4, 0, .2, 1)}body{font-family:var(--font-sans);background-color:var(--color-gray-bg);background-image:radial-gradient(circle at top right,rgba(255,255,255,.8),transparent 40%);color:var(--color-dark);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh}h1,h2,h3,h4,.logo-text{font-family:var(--font-display);font-weight:700;color:var(--color-dark);letter-spacing:-.02em}h1{font-size:32px;margin-bottom:24px}h2{font-size:20px;margin-bottom:16px}h3{font-size:16px;margin-bottom:8px}a{color:inherit;text-decoration:none;transition:var(--transition)}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:var(--sidebar-width);background:var(--color-dark);color:var(--color-white);display:flex;flex-direction:column;padding:32px 24px;position:fixed;height:100vh;z-index:10}.sidebar-logo{font-size:24px;color:var(--color-white);margin-bottom:60px;display:flex;align-items:center;gap:8px}.sidebar-nav{display:flex;flex-direction:column;gap:8px}.sidebar-link{display:flex;align-items:center;padding:14px 16px;color:#fff9;border-radius:var(--radius-sm);font-weight:500;font-size:15px;transition:var(--transition)}.sidebar-link:hover,.sidebar-link.active{background:#ffffff1a;color:var(--color-white);transform:translate(4px)}.sidebar-footer{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding-top:24px}.sidebar-logout{background:none;border:none;color:#ffffff80;cursor:pointer;font-family:var(--font-sans);font-size:14px;padding:0 16px;transition:var(--transition)}.sidebar-logout:hover{color:var(--color-white)}.admin-main{flex:1;margin-left:var(--sidebar-width);padding:48px 64px;max-width:1400px}.card{background:var(--color-white);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:32px;border:1px solid rgba(0,0,0,.02);transition:var(--transition)}.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.card-title{font-size:32px;font-family:var(--font-display);font-weight:700;color:var(--color-dark)}.card-meta{color:var(--color-gray-text);font-size:14px;font-weight:500;text-transform:uppercase;letter-spacing:.05em;margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 32px;border-radius:var(--radius-sm);font-weight:600;font-size:14px;cursor:pointer;transition:var(--transition);border:none}.btn-primary{background:var(--color-dark);color:var(--color-white)}.btn-primary:hover{background:var(--color-dark-soft);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn-secondary{background:var(--color-white);color:var(--color-dark);border:1px solid var(--color-gray-border)}.btn-secondary:hover{border-color:var(--color-dark);background:var(--color-dark);color:var(--color-white)}.btn-danger{color:#ef476f;background:#ef476f1a}.btn-danger:hover{background:#ef476f;color:#fff}.form-group{margin-bottom:24px}.form-label{display:block;font-weight:600;font-size:13px;margin-bottom:8px;color:var(--color-dark);letter-spacing:.02em}.form-input,.form-select,.form-textarea{width:100%;border:1px solid var(--color-gray-border);border-radius:var(--radius-sm);padding:12px 16px;font-family:var(--font-sans);font-size:15px;transition:var(--transition);background:var(--color-white)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-dark);box-shadow:0 0 0 3px #0000000d}.form-textarea{min-height:120px;resize:vertical;line-height:1.6}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:24px}.status{padding:6px 12px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.status-available{background:var(--color-green-light);color:var(--color-green)}.status-paused{background:#f0f0f0;color:#888}.status-hidden{background:#ffebeb;color:#ef476f}.table{width:100%;border-collapse:separate;border-spacing:0}.table th{text-align:left;padding:20px 24px;color:var(--color-gray-text);font-weight:600;font-size:12px;text-transform:uppercase;border-bottom:1px solid var(--color-gray-border)}.table td{padding:20px 24px;border-bottom:1px solid var(--color-gray-border);vertical-align:middle}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:#fafafa}.image-upload-zone{border:2px dashed var(--color-gray-border);border-radius:var(--radius-md);padding:48px;text-align:center;transition:var(--transition);background:#fafafa;cursor:pointer}.image-upload-zone:hover{border-color:var(--color-dark);background:var(--color-white)}.image-preview{margin-top:16px;border-radius:var(--radius-md);overflow:hidden;position:relative;box-shadow:var(--shadow-card)}.image-preview img{display:block;width:100%;height:auto;max-height:300px;object-fit:cover}.image-preview-overlay{position:absolute;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition)}.image-preview:hover .image-preview-overlay{opacity:1}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-dark);padding:24px}.login-box{background:var(--color-white);border-radius:var(--radius-lg);padding:48px;width:100%;max-width:400px;text-align:center}.login-logo{font-family:var(--font-display);font-size:28px;font-weight:700;letter-spacing:.1em;margin-bottom:32px}.login-title{font-size:24px;margin-bottom:8px}.login-subtitle{color:var(--color-gray-text);margin-bottom:24px}.login-error{background:#ffebeb;color:#ef476f;padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px;text-align:left}.login-hint{color:var(--color-gray-text);font-size:13px;margin-top:24px}.loading-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--color-gray-text)}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-gray-border);border-top-color:var(--color-dark);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}