@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg-primary: #0f1117;--color-bg-secondary: #161822;--color-bg-tertiary: #1c1f2e;--color-bg-hover: #252839;--color-bg-active: #2d3148;--color-bg-surface: #1e2133;--color-bg-elevated: #232738;--color-text-primary: #e8eaf0;--color-text-secondary: #9ba1b5;--color-text-tertiary: #6b7186;--color-text-inverse: #0f1117;--color-accent: #6c8aff;--color-accent-hover: #8ba3ff;--color-accent-muted: rgba(108, 138, 255, .12);--color-accent-text: #b3c7ff;--color-success: #4ade80;--color-warning: #fbbf24;--color-danger: #f87171;--color-info: #60a5fa;--color-border: rgba(255, 255, 255, .06);--color-border-subtle: rgba(255, 255, 255, .03);--color-border-strong: rgba(255, 255, 255, .12);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--text-xs: .6875rem;--text-sm: .8125rem;--text-base: .875rem;--text-md: .9375rem;--text-lg: 1.0625rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--leading-tight: 1.3;--leading-normal: 1.5;--leading-relaxed: 1.65;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .25);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .35);--shadow-glow: 0 0 20px rgba(108, 138, 255, .15);--transition-fast: .12s ease;--transition-base: .2s ease;--transition-slow: .35s ease;--sidebar-width: 240px;--header-height: 56px}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--color-text-primary);background:var(--color-bg-primary);min-height:100dvh}#root{min-height:100dvh;display:flex;flex-direction:column}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover)}::selection{background:var(--color-accent);color:var(--color-text-inverse)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-tertiary)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-family:var(--font-sans);font-size:var(--text-sm);font-weight:500;line-height:1;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;min-height:36px}.btn:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover{background:var(--color-accent-hover);box-shadow:var(--shadow-glow)}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary);border-color:var(--color-border)}.btn-secondary:hover{background:var(--color-bg-hover);border-color:var(--color-border-strong)}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover{background:var(--color-bg-hover);color:var(--color-text-primary)}.btn-danger{background:#f871711a;color:var(--color-danger);border-color:#f8717133}.btn-danger:hover{background:#f8717133}.btn-icon{padding:var(--space-2);min-height:32px;min-width:32px}.btn:disabled{opacity:.5;cursor:not-allowed}.input{width:100%;padding:var(--space-3) var(--space-4);font-family:var(--font-sans);font-size:var(--text-base);color:var(--color-text-primary);background:var(--color-bg-primary);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);min-height:42px}.input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-muted)}.input::placeholder{color:var(--color-text-tertiary)}.label{display:block;font-size:var(--text-sm);font-weight:500;color:var(--color-text-secondary);margin-bottom:var(--space-2)}.field{margin-bottom:var(--space-5)}.field-error{color:var(--color-danger);font-size:var(--text-xs);margin-top:var(--space-1)}.badge{display:inline-flex;align-items:center;padding:2px 8px;font-size:var(--text-xs);font-weight:600;border-radius:var(--radius-full);background:var(--color-accent-muted);color:var(--color-accent)}.spinner{width:20px;height:20px;border:2px solid var(--color-border-strong);border-top-color:var(--color-accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-page{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-6);background:radial-gradient(ellipse at 20% 50%,rgba(108,138,255,.06) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(108,138,255,.04) 0%,transparent 50%),var(--color-bg-primary)}.login-card{width:100%;max-width:400px;background:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-10);box-shadow:var(--shadow-lg)}.login-header{text-align:center;margin-bottom:var(--space-8)}.login-logo{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;background:var(--color-accent-muted);color:var(--color-accent);border-radius:var(--radius-lg);margin-bottom:var(--space-4)}.login-title{font-size:var(--text-2xl);font-weight:700;color:var(--color-text-primary);letter-spacing:-.02em}.login-subtitle{font-size:var(--text-sm);color:var(--color-text-tertiary);margin-top:var(--space-1)}.login-form{display:flex;flex-direction:column}.login-error{background:#f8717114;border:1px solid rgba(248,113,113,.2);color:var(--color-danger);font-size:var(--text-sm);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);margin-bottom:var(--space-5)}.login-btn{width:100%;min-height:44px;font-size:var(--text-base);font-weight:600;margin-top:var(--space-2)}.login-footer{margin-top:var(--space-8);font-size:var(--text-xs);color:var(--color-text-tertiary)}.sidebar{width:var(--sidebar-width);height:100dvh;display:flex;flex-direction:column;background:var(--color-bg-secondary);border-right:1px solid var(--color-border);flex-shrink:0}.sidebar-top{padding:var(--space-4)}.sidebar-brand{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-2);margin-bottom:var(--space-4)}.sidebar-brand-icon{color:var(--color-accent);display:flex}.sidebar-brand-text{font-size:var(--text-lg);font-weight:700;letter-spacing:-.02em}.sidebar-compose{width:100%;font-size:var(--text-sm);font-weight:600;min-height:40px;border-radius:var(--radius-md)}.sidebar-nav{flex:1;overflow-y:auto;padding:var(--space-2) var(--space-3)}.sidebar-item{display:flex;align-items:center;gap:var(--space-3);width:100%;padding:var(--space-2) var(--space-3);font-family:var(--font-sans);font-size:var(--text-sm);font-weight:450;color:var(--color-text-secondary);background:transparent;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);text-align:left}.sidebar-item:hover{background:var(--color-bg-hover);color:var(--color-text-primary)}.sidebar-item--active{background:var(--color-accent-muted);color:var(--color-accent);font-weight:500}.sidebar-item-icon{display:flex;flex-shrink:0;opacity:.7}.sidebar-item--active .sidebar-item-icon{opacity:1}.sidebar-item-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-item-count{font-size:var(--text-xs);font-weight:600;color:var(--color-accent);background:var(--color-accent-muted);padding:1px 7px;border-radius:var(--radius-full);min-width:20px;text-align:center}.sidebar-bottom{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-4);border-top:1px solid var(--color-border)}.sidebar-user{display:flex;align-items:center;gap:var(--space-2);min-width:0}.sidebar-user-avatar{width:28px;height:28px;border-radius:var(--radius-full);background:var(--color-bg-tertiary);color:var(--color-text-secondary);display:flex;align-items:center;justify-content:center;font-size:var(--text-xs);font-weight:600;flex-shrink:0}.sidebar-user-name{font-size:var(--text-xs);color:var(--color-text-tertiary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.email-list{display:flex;flex-direction:column;height:100%}.email-list-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-6);border-bottom:1px solid var(--color-border);flex-shrink:0;min-height:var(--header-height)}.email-list-title{font-size:var(--text-lg);font-weight:600;letter-spacing:-.01em}.email-list-meta{display:flex;align-items:center;gap:var(--space-3)}.email-list-count{font-size:var(--text-xs);color:var(--color-text-tertiary)}.email-list-loading{display:flex;align-items:center;justify-content:center;flex:1}.email-list-empty{display:flex;align-items:center;justify-content:center;flex:1;color:var(--color-text-tertiary);font-size:var(--text-sm)}.email-list-items{flex:1;overflow-y:auto}.email-row{display:flex;align-items:center;gap:var(--space-3);width:100%;padding:var(--space-3) var(--space-6);font-family:var(--font-sans);font-size:var(--text-sm);color:var(--color-text-secondary);background:transparent;border:none;border-bottom:1px solid var(--color-border-subtle);cursor:pointer;transition:background var(--transition-fast);text-align:left;min-height:52px}.email-row:hover{background:var(--color-bg-hover)}.email-row--unread{background:var(--color-bg-tertiary)}.email-row--unread .email-row-sender,.email-row--unread .email-row-subject{color:var(--color-text-primary);font-weight:600}.email-row-sender{width:180px;flex-shrink:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:450;color:var(--color-text-primary)}.email-row-content{flex:1;display:flex;align-items:center;gap:var(--space-2);min-width:0;overflow:hidden}.email-row-subject{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex-shrink:0;max-width:40%}.email-row-sep{color:var(--color-text-tertiary);flex-shrink:0}.email-row-preview{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--color-text-tertiary);min-width:0}.email-row-date{flex-shrink:0;font-size:var(--text-xs);color:var(--color-text-tertiary);min-width:60px;text-align:right}.refreshing svg{animation:spin .8s linear infinite}.email-detail{display:flex;flex-direction:column;height:100%}.email-detail-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border);flex-shrink:0;min-height:var(--header-height)}.email-detail-actions{display:flex;gap:var(--space-1)}.email-detail-body{flex:1;overflow-y:auto;padding:var(--space-6) var(--space-8)}.email-detail-subject{font-size:var(--text-xl);font-weight:600;letter-spacing:-.02em;margin-bottom:var(--space-6);line-height:var(--leading-tight)}.email-detail-meta{display:flex;align-items:flex-start;justify-content:space-between;padding-bottom:var(--space-5);margin-bottom:var(--space-6);border-bottom:1px solid var(--color-border-subtle)}.email-detail-from{display:flex;align-items:flex-start;gap:var(--space-3)}.email-detail-avatar{width:36px;height:36px;border-radius:var(--radius-full);background:var(--color-bg-tertiary);color:var(--color-text-secondary);display:flex;align-items:center;justify-content:center;font-size:var(--text-sm);font-weight:600;flex-shrink:0}.email-detail-sender{font-size:var(--text-sm);font-weight:500;color:var(--color-text-primary)}.email-detail-to{font-size:var(--text-xs);color:var(--color-text-tertiary);margin-top:2px}.email-detail-date{font-size:var(--text-xs);color:var(--color-text-tertiary);white-space:nowrap}.email-detail-loading{display:flex;justify-content:center;padding:var(--space-8)}.email-detail-content{font-size:var(--text-base);line-height:var(--leading-relaxed);color:var(--color-text-primary);word-break:break-word}.email-detail-content img{max-width:100%;height:auto}.email-detail-content a{color:var(--color-accent)}.email-detail-content blockquote{border-left:3px solid var(--color-border-strong);margin:var(--space-4) 0;padding-left:var(--space-4);color:var(--color-text-secondary)}.compose{display:flex;flex-direction:column;height:100%}.compose-header{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border);flex-shrink:0;min-height:var(--header-height)}.compose-title{flex:1;font-size:var(--text-md);font-weight:600}.compose-form{flex:1;display:flex;flex-direction:column;overflow:hidden}.compose-field{display:flex;align-items:center;padding:var(--space-2) var(--space-6);border-bottom:1px solid var(--color-border-subtle);gap:var(--space-2)}.compose-label{font-size:var(--text-sm);color:var(--color-text-tertiary);width:60px;flex-shrink:0}.compose-input{flex:1;font-family:var(--font-sans);font-size:var(--text-base);color:var(--color-text-primary);background:transparent;border:none;outline:none;padding:var(--space-2) 0}.compose-input::placeholder{color:var(--color-text-tertiary)}.compose-toggle{font-family:var(--font-sans);font-size:var(--text-xs);color:var(--color-text-tertiary);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:2px 8px;cursor:pointer;transition:all var(--transition-fast)}.compose-toggle:hover{color:var(--color-text-primary);border-color:var(--color-border-strong)}.compose-body{flex:1;font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-relaxed);color:var(--color-text-primary);background:transparent;border:none;outline:none;resize:none;padding:var(--space-5) var(--space-6)}.compose-body::placeholder{color:var(--color-text-tertiary)}.compose-error{padding:var(--space-3) var(--space-6);color:var(--color-danger);font-size:var(--text-sm);background:#f8717114;border-top:1px solid rgba(248,113,113,.2)}.mail-layout{display:flex;height:100dvh;overflow:hidden}.mail-main{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden}.mail-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100dvh;gap:var(--space-4);color:var(--color-text-secondary)}.mail-error-text{color:var(--color-danger)}