*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #f4f6f8;--card: #ffffff;--text: #1f2937;--muted: #6b7280;--border: #e5e7eb;--primary: #2563eb;--primary-600: #1d4ed8;--success: #16a34a;--warning: #f59e0b;--danger: #dc2626;--secondary: #64748b;--shadow: 0 6px 18px rgba(15, 23, 42, .08);--radius: 10px;--font-base: 18px;--font-sm: 16px;--font-xs: 14px;--font-table: clamp(13px, 2.2vw, 16px)}html,body{width:100%;overflow-x:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg);color:var(--text);font-size:var(--font-base)}@media(max-width:768px){body{font-size:var(--font-sm)}}@media(max-width:480px){.app-nav{overflow-x:auto}.app-nav-list{gap:6px;padding:0 6px;flex-wrap:nowrap;white-space:nowrap}.nav-link{font-size:14px;padding:6px 10px;border-radius:8px;flex-shrink:0}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:#f5f5f5;padding:20px}.login-card{background-color:#fff;padding:30px;border-radius:10px;box-shadow:0 2px 10px #0000001a;width:100%;max-width:400px}.login-title{text-align:center;margin-bottom:20px;color:#333;font-size:clamp(22px,5vw,26px)}.login-subtitle{text-align:center;margin-bottom:30px;font-size:clamp(18px,4vw,22px);font-weight:400;color:#666}.login-field{margin-bottom:20px}.login-label{display:block;margin-bottom:8px;font-weight:700;color:#333}.login-input{width:100%;padding:12px;border:1px solid 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