*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #4f46e5;--color-primary-hover: #4338ca;--color-primary-soft: #eef2ff;--color-primary-muted: #c7d2fe;--color-success: #059669;--color-success-soft: #ecfdf5;--color-warning: #d97706;--color-warning-soft: #fffbeb;--color-danger: #dc2626;--color-danger-soft: #fef2f2;--color-bg: #f9fafb;--color-surface: #ffffff;--color-border: #e5e7eb;--color-border-light: #f3f4f6;--color-text: #111827;--color-text-secondary: #6b7280;--color-text-muted: #9ca3af;--radius-sm: 6px;--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .04);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow: 0 2px 8px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08), 0 2px 4px rgba(0, 0, 0, .04);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .1), 0 4px 8px rgba(0, 0, 0, .04);--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;--ease: cubic-bezier(.4, 0, .2, 1);--duration: .2s;--transition: var(--duration) var(--ease)}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,Helvetica Neue,Arial,Noto Sans SC,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--color-primary-hover)}.app-layout{display:flex;min-height:100vh}.app-sidebar{width:260px;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.app-sidebar .logo{padding:var(--space-6) var(--space-6) var(--space-5);font-size:1.15rem;font-weight:700;color:var(--color-text);letter-spacing:-.02em;border-bottom:1px solid 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.value{font-size:1.25rem;font-weight:700;color:var(--color-text);letter-spacing:-.02em;line-height:1.3}.stat-card .value small{font-size:.75rem;font-weight:500;color:var(--color-text-muted)}.form-group{margin-bottom:var(--space-5)}.form-group label{display:block;font-size:.8125rem;font-weight:600;color:var(--color-text);margin-bottom:var(--space-2);letter-spacing:.01em}.form-group .hint{font-size:.75rem;color:var(--color-text-muted);margin-top:var(--space-1)}input[type=text],input[type=password],input[type=email],input[type=url]{width:100%;padding:10px 14px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.875rem;color:var(--color-text);background:var(--color-surface);transition:all var(--transition);outline:none;font-family:inherit}input::placeholder{color:var(--color-text-muted)}input:hover{border-color:var(--color-text-muted)}input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px 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10px;border-radius:var(--radius-full);font-size:.6875rem;font-weight:600;letter-spacing:.02em}.badge-success{background:var(--color-success-soft);color:var(--color-success)}.badge-warning{background:var(--color-warning-soft);color:var(--color-warning)}.badge-danger{background:var(--color-danger-soft);color:var(--color-danger)}.badge-info{background:var(--color-primary-soft);color:var(--color-primary)}.pagination{display:flex;align-items:center;justify-content:center;gap:var(--space-2);margin-top:var(--space-5);padding-top:var(--space-4);border-top:1px solid var(--color-border-light)}.pagination button{padding:6px 14px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text-secondary);font-size:.75rem;font-weight:500;font-family:inherit;cursor:pointer;transition:all var(--transition)}.pagination button:hover:not(:disabled){border-color:var(--color-primary-muted);color:var(--color-primary);background:var(--color-primary-soft)}.pagination button.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.pagination .info{font-size:.75rem;color:var(--color-text-muted);padding:0 var(--space-2)}.alert{padding:12px 16px;border-radius:var(--radius);font-size:.8125rem;font-weight:500;margin-bottom:var(--space-5);display:flex;align-items:center;gap:var(--space-2)}.alert-error{background:var(--color-danger-soft);color:var(--color-danger);border:1px solid #fecaca}.alert-success{background:var(--color-success-soft);color:var(--color-success);border:1px solid #a7f3d0}.alert-info{background:var(--color-primary-soft);color:var(--color-primary);border:1px solid var(--color-primary-muted)}.empty-state{text-align:center;padding:var(--space-12) var(--space-6);color:var(--color-text-muted)}.empty-state p{font-size:.875rem;margin-top:var(--space-2)}.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{display:flex;align-items:center;justify-content:center;padding:var(--space-12)}.auth-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-6);background:var(--color-bg);position:relative;overflow:hidden}.auth-container:before{content:"";position:absolute;top:-40%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(79,70,229,.06) 0%,transparent 70%);pointer-events:none}.auth-container:after{content:"";position:absolute;bottom:-30%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(79,70,229,.04) 0%,transparent 70%);pointer-events:none}.auth-card{width:100%;max-width:400px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-10) var(--space-8);box-shadow:var(--shadow-lg);position:relative;z-index:1}.auth-card .logo{text-align:center;font-size:1.35rem;font-weight:700;color:var(--color-text);margin-bottom:var(--space-1);letter-spacing:-.03em}.auth-card .logo span{color:var(--color-primary)}.auth-card .subtitle{text-align:center;font-size:.8125rem;color:var(--color-text-muted);margin-bottom:var(--space-8)}.auth-card .auth-link{text-align:center;margin-top:var(--space-6);font-size:.8125rem;color:var(--color-text-muted)}.tabs{display:flex;gap:var(--space-1);margin-bottom:var(--space-6);border-bottom:1px solid var(--color-border);padding-bottom:0}.tab{padding:10px 16px;border:none;background:none;color:var(--color-text-muted);font-size:.8125rem;font-weight:500;font-family:inherit;cursor:pointer;transition:all var(--transition);border-bottom:2px solid transparent;margin-bottom:-1px}.tab:hover{color:var(--color-text-secondary)}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary);font-weight:600}.mail-detail-header{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--space-4)}.mail-detail-meta{font-size:.8125rem;color:var(--color-text-muted);margin-top:var(--space-1)}.mail-body{margin-top:var(--space-5);padding:var(--space-5);background:var(--color-bg);border-radius:var(--radius);white-space:pre-wrap;font-size:.8125rem;line-height:1.8;color:var(--color-text-secondary);max-height:480px;overflow-y:auto}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-4)}.toolbar-left{display:flex;align-items:center;gap:var(--space-3)}.toolbar-right{font-size:.75rem;color:var(--color-text-muted)}.progress-bar{height:6px;background:var(--color-bg);border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;border-radius:var(--radius-full);background:var(--color-primary);transition:width .5s var(--ease)}.progress-bar-fill.danger{background:var(--color-danger)}.code-block{background:var(--color-bg);padding:var(--space-3) var(--space-4);border-radius:var(--radius);font-family:SF Mono,Fira Code,Fira Mono,Menlo,Consolas,monospace;font-size:.75rem;line-height:1.7;color:var(--color-text-secondary);word-break:break-all;border:1px solid var(--color-border-light)}input[type=checkbox]{width:16px;height:16px;accent-color:var(--color-primary);cursor:pointer}@media (max-width: 1024px){.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.app-sidebar{display:none}.app-main{margin-left:0;padding:var(--space-5)}.stats-grid{grid-template-columns:1fr 1fr}}@media (max-width: 480px){.stats-grid{grid-template-columns:1fr}.auth-card{padding:var(--space-8) var(--space-6)}}