*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--primary: #1e3a5f;--primary-light: #2d5a87;--accent: #f39c12;--accent-light: #f1c40f;--success: #27ae60;--danger: #e74c3c;--warning: #e67e22;--bg: #f0f2f5;--card: #ffffff;--text: #2c3e50;--text-light: #7f8c8d;--border: #e0e0e0;--sidebar: #1a2d45;--sidebar-hover: #243b57;--sidebar-width: 260px;--topbar-height: 56px}html{font-size:16px}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent;overflow-x:hidden}.app-layout{display:flex;flex-direction:column;min-height:100dvh}@media (min-width: 1024px){.app-layout{flex-direction:row}}.sidebar{position:fixed;top:0;left:0;height:100dvh;width:var(--sidebar-width);background:var(--sidebar);color:#fff;z-index:1000;transform:translate(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;overflow-y:auto}.sidebar.open{transform:translate(0)}.sidebar-header{padding:16px;border-bottom:1px solid rgba(255,255,255,.1);flex-shrink:0}.sidebar-header .sidebar-brand{display:flex;align-items:center;gap:10px}.sidebar-header .sidebar-brand img{width:40px;height:40px;border-radius:50%;object-fit:cover}.sidebar-header h1{font-size:18px;font-weight:700;color:var(--accent);line-height:1.2;margin:0}.sidebar-header p{font-size:11px;color:#fff9;margin-top:1px}.sidebar-nav{padding:8px 0;flex:1}.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:14px 20px;color:#ffffffb3;text-decoration:none;font-size:15px;transition:all .2s;min-height:48px}.sidebar-nav a:hover,.sidebar-nav a.active{background:var(--sidebar-hover);color:#fff}.sidebar-nav a svg{width:20px;height:20px;flex-shrink:0}.sidebar-footer{padding:16px;border-top:1px solid 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1024px){.sidebar{transform:translate(0);position:fixed}.sidebar-overlay,.topbar{display:none}.main-content{margin-left:var(--sidebar-width);padding:24px}.stats-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width: 1400px){.stats-grid{grid-template-columns:repeat(4,1fr)}}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-grid .form-group-wide{grid-column:1 / -1}.btn-full{width:100%;margin-top:12px}.btn-disabled{background:var(--text-light)!important;cursor:not-allowed!important}.login-page{min-height:100dvh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a2d45,#2d5a87);padding:20px}.login-card{background:var(--card);border-radius:16px;padding:32px 24px;width:100%;max-width:400px;box-shadow:0 20px 60px #0000004d}.login-header{text-align:center;margin-bottom:28px}.login-logo{width:64px;height:64px;border-radius:50%;object-fit:cover;margin-bottom:12px}.login-title{font-size:28px;font-weight:800;color:var(--primary);margin-bottom:4px}.login-subtitle{color:var(--text-light);font-size:14px}.login-error{background:#fde8e8;color:var(--danger);padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px;display:flex;align-items:center;gap:8px}.password-wrapper{position:relative}.password-wrapper input{padding-right:44px}.toggle-password{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--text-light);padding:4px;display:flex}.login-hint{text-align:center;margin-top:20px;font-size:12px;color:#95a5a6}