:root{--bg: #0f0f1a;--text: #ffffff;--accent: #00bfff;--panel: #1a1a2e}[data-theme=light]{--bg: #ffffff;--text: #000000;--accent: #0077ff;--panel: #e0e0e0}body{background-color:var(--bg);color:var(--text);transition:all .3s ease;font-family:Segoe UI,sans-serif;margin:0;padding:0}nav{background:var(--panel);display:flex;justify-content:space-between;align-items:center;padding:1rem}.menu{font-size:1.5rem;cursor:pointer;display:none}.links a{color:var(--text);margin-left:1rem;text-decoration:none}@media (max-width: 768px){.menu{display:block}.links{display:none;flex-direction:column}}form{display:flex;flex-direction:column;max-width:600px;margin:auto;padding:1rem;gap:10px}input,select,button{background:var(--panel);color:var(--text);border:1px solid var(--accent);padding:8px;border-radius:6px;font-size:1em}:root[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #e2e8f0;--text-primary: #1a202c;--text-secondary: #4a5568;--text-muted: #718096;--border-color: #e2e8f0;--accent-color: #3182ce;--accent-hover: #2c5282;--success-color: #38a169;--danger-color: #e53e3e;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1)}:root[data-theme=dark]{--bg-primary: #1a202c;--bg-secondary: #2d3748;--bg-tertiary: #4a5568;--text-primary: #f7fafc;--text-secondary: #e2e8f0;--text-muted: #a0aec0;--border-color: #4a5568;--accent-color: #63b3ed;--accent-hover: #90cdf4;--success-color: #68d391;--danger-color: #fc8181;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;transition:background-color .3s ease,color .3s ease}.app-container{min-height:100vh;display:flex;flex-direction:column}.app-header{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:1000}.header-content{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 1rem;height:64px}.header-left{display:flex;align-items:center;gap:1rem}.app-title{display:flex;align-items:center;gap:.5rem;margin:0;font-size:1.5rem;font-weight:600}.app-title-min{display:flex;align-items:center;gap:.5rem;margin:0;font-size:1.5rem;font-weight:100}.logo-header-b{height:50px;width:auto;display:block;flex-shrink:0}.logo-header{height:100px;width:auto;display:block;flex-shrink:0}.title-text{background:linear-gradient(135deg,var(--accent-color),var(--success-color));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}@media (max-width: 480px){.app-title .title-text{display:none}}.menu-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:8px;border-radius:6px;transition:background-color .2s ease}.menu-toggle:hover{background-color:var(--bg-tertiary)}.menu-toggle span{width:24px;height:3px;background-color:var(--text-primary);border-radius:2px;transition:all .3s ease}.main-nav{display:flex}.nav-links{display:flex;gap:.5rem}.nav-link{background:none;border:none;color:var(--text-secondary);font-size:.875rem;font-weight:500;padding:.5rem 1rem;border-radius:8px;cursor:pointer;transition:all .2s ease;white-space:nowrap}.nav-link:hover{color:var(--accent-color);background-color:transparent;transform:none}.nav-link.active{color:var(--accent-color);background-color:transparent;font-weight:600}.header-actions{display:flex;align-items:center;gap:1rem}.theme-toggle{background:none;border:none;font-size:1.25rem;cursor:pointer;padding:.5rem;border-radius:8px;transition:all .2s ease}.theme-toggle:hover{background-color:var(--bg-tertiary);transform:scale(1.1)}.user-menu{display:flex;align-items:center;gap:.75rem}.user-info{display:flex;align-items:center;gap:.5rem}.user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:2px solid var(--border-color)}.user-name{font-size:.875rem;font-weight:500;color:var(--text-secondary)}.logout-btn{background:linear-gradient(135deg,var(--danger-color),#c53030);color:#fff;border:none;padding:.5rem 1rem;border-radius:8px;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-sm)}.logout-btn:hover{background:linear-gradient(135deg,#c53030,#9c2a2a);transform:translateY(-1px);box-shadow:var(--shadow-md)}.app-main{flex:1;background-color:var(--bg-primary)}.content-container{max-width:1400px;margin:0 auto;padding:2rem 1rem}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background-color:var(--bg-primary);gap:1rem}.loading-spinner{width:40px;height:40px;border:4px solid var(--border-color);border-top:4px solid var(--accent-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,var(--bg-primary),var(--bg-secondary));padding:1rem}.login-card{background-color:var(--bg-secondary);padding:3rem;border-radius:16px;box-shadow:var(--shadow-lg);text-align:center;max-width:400px;width:100%;border:1px solid var(--border-color)}.login-header h1{font-size:2rem;font-weight:700;margin-bottom:.5rem;background:linear-gradient(135deg,var(--accent-color),var(--success-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-header p{color:var(--text-muted);font-size:.875rem;margin-bottom:2rem}.login-btn{display:flex;align-items:center;justify-content:center;gap:.75rem;width:100%;background:linear-gradient(135deg,var(--accent-color),var(--accent-hover));color:#fff;border:none;padding:1rem 1.5rem;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow-md)}.login-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);background:linear-gradient(135deg,var(--accent-hover),var(--accent-color))}.login-btn:active{transform:translateY(0)}.nav-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;z-index:999;display:none}@media (max-width: 768px){.header-content{padding:0 1rem}.menu-toggle{display:flex}.app-title{font-size:1.25rem}.main-nav{position:fixed;top:64px;left:-100%;width:280px;height:calc(100vh - 64px);background-color:var(--bg-secondary);border-right:1px solid var(--border-color);box-shadow:var(--shadow-lg);transition:left .3s ease;z-index:1000}.main-nav.nav-open{left:0}.nav-links{flex-direction:column;gap:0;padding:1rem}.nav-link{justify-content:flex-start;padding:1rem;border-radius:8px;text-align:left}.nav-overlay{display:block}.user-info{display:none}.content-container{padding:1rem}.login-card{padding:2rem;margin:1rem}.login-header h1{font-size:1.5rem}}@media (max-width: 480px){.app-title{display:none}.header-actions{gap:.5rem}.logout-btn{padding:.5rem;font-size:1rem}.logout-btn span{display:none}}*{transition:color .2s ease,background-color .2s ease}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}button:focus-visible,.nav-link:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}.app-header nav,.app-header .main-nav{background:transparent!important;padding:0!important}.nav-link:hover{background-color:transparent!important;transform:none}.nav-link.active{background-color:transparent!important;font-weight:600;color:var(--accent-color)}@media (min-width: 769px){.main-nav{position:static!important;width:auto!important;height:auto!important;border:0!important;box-shadow:none!important}}