:root{--color-primary: #4f46e5;--color-primary-hover: #4338ca;--color-primary-soft: #eef2ff;--color-bg: #f9fafb;--color-surface: #ffffff;--color-surface-alt: #f3f4f6;--color-text: #111827;--color-text-muted: #6b7280;--color-text-subtle: #9ca3af;--color-border: #e5e7eb;--color-border-strong: #d1d5db;--color-danger: #dc2626;--color-danger-soft: #fef2f2;--color-success: #16a34a;--color-success-soft: #f0fdf4;--color-warning: #d97706;--color-warning-soft: #fffbeb;--radius: 8px;--radius-sm: 6px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, .12), 0 8px 10px -6px rgba(0, 0, 0, .08);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;--font-mono: "SF Mono", "JetBrains Mono", Menlo, Monaco, Consolas, monospace;--transition: .15s ease}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{font-family:var(--font-sans);font-size:14px;line-height:1.5;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}h1,h2,h3,h4,h5,h6,p{margin:0}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--color-primary-hover)}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:inherit}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:9px 16px;font-size:14px;font-weight:500;line-height:1.2;border:1px solid transparent;border-radius:var(--radius-sm);background-color:var(--color-surface);color:var(--color-text);transition:background-color var(--transition),border-color var(--transition),color var(--transition),box-shadow var(--transition),opacity var(--transition);white-space:nowrap;-webkit-user-select:none;user-select:none}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background-color:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:not(:disabled):hover{background-color:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn-primary:not(:disabled):focus-visible{outline:none;box-shadow:0 0 0 3px #4f46e54d}.btn-secondary{background-color:var(--color-surface);color:var(--color-text);border-color:var(--color-border-strong)}.btn-secondary:not(:disabled):hover{background-color:var(--color-surface-alt);border-color:var(--color-text-subtle)}.btn-danger{background-color:var(--color-danger);color:#fff;border-color:var(--color-danger)}.btn-danger:not(:disabled):hover{background-color:#b91c1c;border-color:#b91c1c}.btn-ghost{background-color:transparent;color:var(--color-text-muted);border-color:transparent}.btn-ghost:not(:disabled):hover{background-color:var(--color-surface-alt);color:var(--color-text)}.btn-sm{padding:5px 10px;font-size:13px}.btn-block{width:100%}.form-group{display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-4)}.form-label{font-size:13px;font-weight:500;color:var(--color-text)}.form-label .req{color:var(--color-danger);margin-left:2px}.form-input,.form-select,.form-textarea{width:100%;padding:9px 12px;font-size:14px;color:var(--color-text);background-color:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);transition:border-color var(--transition),box-shadow var(--transition)}.form-input::placeholder,.form-textarea::placeholder{color:var(--color-text-subtle)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #4f46e526}.form-input:disabled{background-color:var(--color-surface-alt);cursor:not-allowed}.form-error{font-size:12px;color:var(--color-danger);line-height:1.4}.form-hint{font-size:12px;color:var(--color-text-muted);line-height:1.5}.checkbox{display:inline-flex;align-items:center;gap:var(--space-2);cursor:pointer;-webkit-user-select:none;user-select:none}.checkbox input[type=checkbox]{width:16px;height:16px;accent-color:var(--color-primary);cursor:pointer}.input-wrap{position:relative;display:flex;align-items:center}.input-wrap .form-input{padding-right:44px}.input-wrap .toggle-visibility{position:absolute;right:8px;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:transparent;border:none;color:var(--color-text-muted);border-radius:var(--radius-sm);cursor:pointer;transition:color var(--transition),background-color var(--transition)}.input-wrap .toggle-visibility:hover{color:var(--color-text);background-color:var(--color-surface-alt)}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.badge{display:inline-flex;align-items:center;padding:2px 8px;font-size:12px;font-weight:500;line-height:1.5;border-radius:999px;border:1px solid transparent}.badge-admin{background-color:var(--color-primary-soft);color:var(--color-primary);border-color:#c7d2fe}.badge-user{background-color:var(--color-surface-alt);color:var(--color-text-muted);border-color:var(--color-border)}.badge-success{background-color:var(--color-success-soft);color:var(--color-success);border-color:#bbf7d0}.badge-warning{background-color:var(--color-warning-soft);color:var(--color-warning);border-color:#fde68a}.badge-danger{background-color:var(--color-danger-soft);color:var(--color-danger);border-color:#fecaca}.text-muted{color:var(--color-text-muted)}.text-danger{color:var(--color-danger)}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.mt-2{margin-top:var(--space-2)}.mt-4{margin-top:var(--space-4)}.w-full{width:100%}@keyframes spin{to{transform:rotate(360deg)}}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:999px;border:2px solid var(--color-bg)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-subtle)}.auth-page{min-height:100vh;display:flex;background:var(--color-bg)}.auth-brand{flex:1;display:flex;flex-direction:column;justify-content:space-between;padding:48px;background:linear-gradient(135deg,#4f46e5,#4338ca,#3730a3);color:#fff;position:relative;overflow:hidden}.auth-brand:before{content:"";position:absolute;top:-20%;right:-10%;width:480px;height:480px;background:radial-gradient(circle,rgba(255,255,255,.12),transparent 60%);border-radius:50%;pointer-events:none}.auth-brand:after{content:"";position:absolute;bottom:-15%;left:-10%;width:360px;height:360px;background:radial-gradient(circle,rgba(255,255,255,.08),transparent 60%);border-radius:50%;pointer-events:none}.auth-brand-logo{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:600;position:relative;z-index:1}.auth-brand-logo .logo-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:#ffffff26;border:1px solid rgba(255,255,255,.25);border-radius:8px;font-weight:700;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.auth-brand-hero{position:relative;z-index:1;max-width:440px}.auth-brand-hero h1{font-size:32px;line-height:1.25;font-weight:600;margin-bottom:16px;letter-spacing:-.01em}.auth-brand-hero p{font-size:15px;line-height:1.6;color:#ffffffd1}.auth-brand-footer{position:relative;z-index:1;font-size:12px;color:#fff9}.auth-form-side{flex:1;display:flex;align-items:center;justify-content:center;padding:48px 24px}.auth-card{width:100%;max-width:380px}.auth-card-title{font-size:22px;font-weight:600;color:var(--color-text);margin-bottom:6px;letter-spacing:-.01em}.auth-card-subtitle{font-size:14px;color:var(--color-text-muted);margin-bottom:28px}.auth-mobile-brand{display:none;align-items:center;justify-content:center;gap:10px;margin-bottom:24px;font-size:18px;font-weight:600;color:var(--color-text)}.auth-mobile-brand .logo-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;background:var(--color-primary);color:#fff;border-radius:8px;font-weight:700}.change-password-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 16px;background:var(--color-bg)}.change-password-card{width:100%;max-width:440px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:36px}.change-password-card .card-title{font-size:22px;font-weight:600;margin-bottom:6px;letter-spacing:-.01em}.change-password-card .card-subtitle{font-size:14px;color:var(--color-text-muted);margin-bottom:24px}.force-notice{display:flex;gap:10px;padding:12px 14px;background:var(--color-warning-soft);border:1px solid #fde68a;border-radius:var(--radius-sm);margin-bottom:24px;font-size:13px;color:#92400e;line-height:1.5}.force-notice .notice-icon{flex-shrink:0;font-size:16px;line-height:1.4}.password-policy{margin-top:8px;padding:10px 12px;background:var(--color-surface-alt);border-radius:var(--radius-sm);font-size:12px;color:var(--color-text-muted);line-height:1.6}.password-policy .policy-title{color:var(--color-text);font-weight:500;margin-bottom:4px}.password-policy ul{margin:0;padding-left:16px}.password-policy li{list-style:disc}.back-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-size:13px;color:var(--color-text-muted);transition:color var(--transition)}.back-link:hover{color:var(--color-primary)}@media (max-width: 860px){.auth-brand{display:none}.auth-mobile-brand{display:flex}.auth-form-side{padding:32px 20px}}@media (max-width: 480px){.change-password-card{padding:24px 20px}}