:root{--color-primary: #69b42e;--color-primary-hover: #87c358;--color-secondary: #003087;--color-tertiary: #006af5;--color-tertiary-hover: #0055c4;--color-text-primary: #000000;--color-text-secondary: #666666;--color-text-on-primary: #ffffff;--color-bg: #ffffff;--color-bg-secondary: #f2f2f2;--color-bg-tertiary: #f8f8f8;--color-border: #cccccc;--color-disabled-bg: #ebebeb;--color-disabled-text: #8c8c8c;--color-success: #1ba61b;--color-success-bg: #e8f6e8;--color-error: #d02224;--color-error-bg: #fae9e9;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-card: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);--font-sans: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;--bg: var(--color-bg-secondary);--surface: var(--color-bg);--text: var(--color-text-primary);--text-muted: var(--color-text-secondary);--border: var(--color-border);--primary: var(--color-primary);--primary-hover: var(--color-primary-hover);--danger: var(--color-error);color-scheme:light}@media (prefers-color-scheme: dark){:root{--color-primary-hover: #78bb43;--color-text-primary: #ffffff;--color-text-secondary: #a6a6a6;--color-bg: #212121;--color-bg-secondary: #2b2b2b;--color-bg-tertiary: #262626;--color-border: #4d4d4d;--color-disabled-bg: #333333;--color-disabled-text: #737373;--color-success-bg: #202e20;--color-error-bg: #332121;--shadow-card: 0 1px 3px rgba(0, 0, 0, .4), 0 1px 2px rgba(0, 0, 0, .3);color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:var(--font-sans);font-weight:700;color:var(--text);margin:0 0 .75rem;line-height:1.25}h2{font-size:1.375rem}h3{font-size:1.0625rem}a{color:var(--color-tertiary);text-decoration:none}a:hover{color:var(--color-tertiary-hover);text-decoration:underline}.screen{max-width:1100px;margin:0 auto;padding:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:24px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field label{font-size:14px;color:var(--text-muted)}.field input{padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:15px}.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #69b42e26}input,select{font-family:var(--font-sans);font-size:.9375rem;padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text)}input:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #69b42e26}button{font-family:var(--font-sans)}button.primary{padding:10px 16px;background:var(--primary);color:var(--color-text-on-primary);border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:500;cursor:pointer;transition:background-color .15s ease,transform .05s ease}button.primary:hover:not(:disabled){background:var(--primary-hover)}button.primary:active:not(:disabled){transform:translateY(1px)}button.primary:disabled{background:var(--color-disabled-bg);color:var(--color-disabled-text);cursor:not-allowed}button.secondary{padding:8px 14px;background:transparent;color:var(--text-muted);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:background-color .15s ease,color .15s ease}button.secondary:hover:not(:disabled){color:var(--primary);border-color:var(--primary);background:var(--color-success-bg)}button.secondary:disabled{color:var(--color-disabled-text);border-color:var(--color-disabled-bg);cursor:not-allowed}.error-text{color:var(--color-error);background:var(--color-error-bg);padding:.625rem .875rem;border-radius:var(--radius-sm);font-size:14px;font-weight:500;margin-bottom:16px}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{width:100%;max-width:360px}.login-card h1{font-family:var(--font-sans);font-weight:700;color:var(--text);font-size:1.375rem;margin:0 0 20px}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border);background:var(--surface);margin-bottom:0}.nav-link{color:var(--text-muted);text-decoration:none;font-size:14px;font-weight:500}.nav-link.active,.nav-link:hover{color:var(--primary);text-decoration:none}button.nav-link{background:none;border:none;padding:0;font:inherit;cursor:pointer}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th,.data-table td{text-align:left;padding:10px 16px;border-bottom:1px solid var(--border)}.data-table th{color:var(--text-muted);font-weight:500;background:var(--color-bg-tertiary)}.data-table tbody tr:last-child td{border-bottom:none}.data-table a{color:var(--primary);text-decoration:none}.data-table a:hover{text-decoration:underline}