:root{--color-primary: #0d9488;--color-primary-light: #14b8a6;--color-primary-dark: #0f766e;--color-secondary: #06b6d4;--color-accent: #22d3ee;--color-bg: #0f172a;--color-bg-elevated: #1e293b;--color-bg-card: #1e293b;--color-bg-hover: #334155;--color-border: #334155;--color-border-light: #475569;--color-text: #f1f5f9;--color-text-muted: #94a3b8;--color-text-dim: #64748b;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -2px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -4px rgba(0, 0, 0, .3);--shadow-glow: 0 0 20px rgba(13, 148, 136, .3);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--color-text)}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}p{color:var(--color-text-muted)}a{color:var(--color-primary-light);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent)}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--color-bg-elevated);border-right:1px solid var(--color-border);padding:var(--space-lg);position:fixed;height:100vh;overflow-y:auto}.main-content{flex:1;margin-left:260px;padding:var(--space-xl);min-height:100vh}.logo{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-xl);padding-bottom:var(--space-lg);border-bottom:1px solid var(--color-border)}.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.5rem}.logo-text{font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,var(--color-primary-light),var(--color-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-menu{list-style:none}.nav-item{margin-bottom:var(--space-xs)}.nav-link{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);color:var(--color-text-muted);border-radius:var(--radius-md);transition:all var(--transition-fast);font-weight:500}.nav-link:hover{background:var(--color-bg-hover);color:var(--color-text)}.nav-link.active{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;box-shadow:var(--shadow-glow)}.nav-link svg{width:20px;height:20px}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-md)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-lg);padding-bottom:var(--space-md);border-bottom:1px solid var(--color-border)}.card-title{font-size:1.125rem;font-weight:600}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:linear-gradient(135deg,var(--color-primary-light),var(--color-primary));box-shadow:var(--shadow-glow);transform:translateY(-1px)}.btn-secondary{background:var(--color-bg-hover);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-border)}.btn-danger{background:var(--color-error);color:#fff}.btn-danger:hover{background:#dc2626}.btn-sm{padding:var(--space-xs) var(--space-sm);font-size:.75rem}.btn-icon{width:36px;height:36px;padding:0}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;margin-bottom:var(--space-sm);font-size:.875rem;font-weight:500;color:var(--color-text)}.form-input,.form-textarea,.form-select{width:100%;padding:var(--space-sm) var(--space-md);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);font-size:.875rem;transition:all var(--transition-fast)}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #0d948833}.form-input::placeholder,.form-textarea::placeholder{color:var(--color-text-dim)}.form-textarea{min-height:120px;resize:vertical}.form-hint{font-size:.75rem;color:var(--color-text-dim);margin-top:var(--space-xs)}.form-error{color:var(--color-error);font-size:.75rem;margin-top:var(--space-xs)}.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg)}@media(max-width:768px){.form-row{grid-template-columns:1fr}}.table-container{overflow-x:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:var(--space-md);text-align:left;border-bottom:1px solid var(--color-border)}.table th{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);background:var(--color-bg)}.table tr:hover td{background:var(--color-bg-hover)}.table-actions{display:flex;gap:var(--space-sm)}.image-upload{border:2px dashed var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);text-align:center;transition:all var(--transition-fast);cursor:pointer}.image-upload:hover{border-color:var(--color-primary);background:#0d94880d}.image-upload.dragging{border-color:var(--color-primary);background:#0d94881a}.image-upload-icon{font-size:3rem;margin-bottom:var(--space-md);color:var(--color-text-dim)}.image-upload-text{color:var(--color-text-muted);margin-bottom:var(--space-sm)}.image-preview{position:relative;display:inline-block;max-width:200px}.image-preview img{width:100%;border-radius:var(--radius-md);border:1px solid var(--color-border)}.image-preview-remove{position:absolute;top:-8px;right:-8px;width:24px;height:24px;background:var(--color-error);border:none;border-radius:var(--radius-full);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}.badge{display:inline-flex;align-items:center;padding:var(--space-xs) var(--space-sm);font-size:.75rem;font-weight:500;border-radius:var(--radius-full);background:var(--color-bg-hover);color:var(--color-text-muted)}.badge-success{background:#10b98133;color:var(--color-success)}.badge-warning{background:#f59e0b33;color:var(--color-warning)}.badge-error{background:#ef444433;color:var(--color-error)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-xl)}.page-title{font-size:1.75rem;font-weight:700}.page-subtitle{color:var(--color-text-muted);margin-top:var(--space-xs)}.empty-state{text-align:center;padding:var(--space-2xl)}.empty-state-icon{font-size:4rem;margin-bottom:var(--space-lg);color:var(--color-text-dim)}.empty-state-title{font-size:1.25rem;margin-bottom:var(--space-sm)}.empty-state-text{color:var(--color-text-muted);margin-bottom:var(--space-lg)}.loading{display:flex;align-items:center;justify-content:center;padding:var(--space-2xl)}.spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;top:var(--space-lg);right:var(--space-lg);z-index:1000;display:flex;flex-direction:column;gap:var(--space-sm)}.toast{padding:var(--space-md) var(--space-lg);background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:var(--space-sm);animation:slideIn .3s ease}.toast-success{border-left:4px solid var(--color-success)}.toast-error{border-left:4px solid var(--color-error)}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@media(max-width:1024px){.sidebar{width:80px;padding:var(--space-md)}.logo-text,.nav-link span{display:none}.main-content{margin-left:80px}}@media(max-width:768px){.sidebar{display:none}.main-content{margin-left:0;padding:var(--space-md)}}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--color-text-muted)}.text-success{color:var(--color-success)}.text-error{color:var(--color-error)}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-lg);background:linear-gradient(135deg,var(--color-bg) 0%,#0c1222 100%);position:relative;overflow:hidden}.login-container:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 30%,rgba(13,148,136,.15) 0%,transparent 50%),radial-gradient(circle at 70% 70%,rgba(6,182,212,.1) 0%,transparent 50%);animation:pulse 15s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.8}}.login-card{width:100%;max-width:420px;background:#1e293bcc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(51,65,85,.5);border-radius:var(--radius-xl);padding:var(--space-2xl);box-shadow:0 25px 50px -12px #00000080;position:relative;z-index:1}.login-header{text-align:center;margin-bottom:var(--space-xl)}.login-logo{width:80px;height:80px;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;font-size:2.5rem;margin:0 auto var(--space-lg);box-shadow:0 10px 40px #0d948866;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.login-header h1{font-size:1.75rem;font-weight:700;margin-bottom:var(--space-sm);background:linear-gradient(135deg,var(--color-text),var(--color-primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-header p{color:var(--color-text-muted);font-size:.95rem}.login-form .form-group{margin-bottom:var(--space-lg)}.login-form .form-input{padding:var(--space-md);font-size:1rem;background:#0f172a99;border:1px solid rgba(51,65,85,.5)}.login-form .form-input:focus{background:#0f172acc;border-color:var(--color-primary);box-shadow:0 0 0 4px #0d948826}.login-btn{width:100%;padding:var(--space-md);font-size:1rem;font-weight:600;margin-top:var(--space-sm)}.login-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--color-error);padding:var(--space-md);border-radius:var(--radius-md);margin-bottom:var(--space-lg);text-align:center;font-size:.875rem}.loading-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-lg);background:var(--color-bg)}.loading-screen .spinner{width:50px;height:50px}.loading-screen p{color:var(--color-text-muted);font-size:.95rem}.form-input,.form-textarea,.form-select{font-family:inherit}.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:40px}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}