:root{--bg-primary: #0a0d14;--bg-secondary: #101522;--bg-tertiary: #161c2d;--bg-elevated: #1d253b;--bg-hover: #232c45;--bg-active: #2a3554;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #8899aa;--accent-gold: #fbbf24;--accent-gold-hover: #f59e0b;--accent-gold-soft: rgba(251, 191, 36, .12);--accent-blue: #38bdf8;--accent-blue-soft: rgba(56, 189, 248, .12);--accent-green: #34d399;--accent-green-soft: rgba(52, 211, 153, .12);--accent-red: #f87171;--accent-red-soft: rgba(248, 113, 113, .12);--border-subtle: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .16);--font-main: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--shadow-card: 0 4px 20px -2px rgba(0, 0, 0, .5);--shadow-dropdown: 0 10px 30px -4px rgba(0, 0, 0, .7)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);background-color:var(--bg-primary);color:var(--text-primary);height:100vh;overflow:hidden;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff40}.app-container{display:flex;height:100vh;width:100vw;overflow:hidden;background:radial-gradient(circle at 10% 20%,rgba(30,41,59,.4) 0%,transparent 40%),radial-gradient(circle at 90% 80%,rgba(15,23,42,.6) 0%,transparent 50%),var(--bg-primary)}.sidebar{width:270px;min-width:270px;background:var(--bg-secondary);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;padding:20px 16px;gap:16px}.brand-header{display:flex;align-items:center;gap:12px;padding:4px 8px}.brand-logo{width:36px;height:36px;background:linear-gradient(135deg,#f59e0b,#d97706);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;color:#000;box-shadow:0 2px 10px #f59e0b4d}.brand-title{font-size:1.15rem;font-weight:700;letter-spacing:-.02em;color:var(--text-primary);display:flex;flex-direction:column}.brand-subtitle{font-size:.72rem;color:var(--accent-gold);font-weight:500;letter-spacing:.05em;text-transform:uppercase}.compose-btn{background:linear-gradient(135deg,var(--accent-gold),var(--accent-gold-hover));color:#000;font-weight:600;font-size:.92rem;padding:12px 18px;border-radius:var(--radius-md);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:all .2s ease;box-shadow:0 4px 14px #f59e0b40}.compose-btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px #f59e0b59}.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto}.nav-section-title{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-weight:600;padding:12px 10px 4px}.nav-item{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.88rem;cursor:pointer;transition:all .15s ease;-webkit-user-select:none;user-select:none}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--bg-elevated);color:var(--text-primary);font-weight:600;border-left:3px solid var(--accent-gold)}.nav-item-left{display:flex;align-items:center;gap:10px;min-width:0}.nav-item-sub{padding-left:28px;font-size:.82rem}.badge{font-size:.72rem;font-weight:600;padding:2px 7px;border-radius:var(--radius-full);background:var(--bg-active);color:var(--text-secondary)}.badge-gold{background:var(--accent-gold-soft);color:var(--accent-gold)}.badge-blue{background:var(--accent-blue-soft);color:var(--accent-blue)}.sidebar-footer{padding-top:14px;border-top:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between}.user-pill{display:flex;flex-direction:column;min-width:0}.user-email{font-size:.78rem;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:.68rem;color:var(--accent-green);font-weight:500}.mail-list-pane{width:380px;min-width:320px;background:var(--bg-secondary);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;overflow:hidden}.mail-list-header{padding:16px;border-bottom:1px solid var(--border-subtle);display:flex;flex-direction:column;gap:12px}.search-box{display:flex;align-items:center;gap:8px;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:8px 12px;color:var(--text-primary)}.search-box input{background:transparent;border:none;outline:none;color:var(--text-primary);font-size:.88rem;width:100%}.search-box input::placeholder{color:var(--text-muted)}.filter-pills{display:flex;gap:6px}.filter-pill{font-size:.75rem;padding:4px 10px;border-radius:var(--radius-full);border:1px solid var(--border-subtle);background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .15s ease}.filter-pill.active{background:var(--bg-elevated);color:var(--accent-gold);border-color:var(--accent-gold-soft);font-weight:600}.mail-list-items{flex:1;overflow-y:auto}.mail-item{padding:14px 16px;border-bottom:1px solid var(--border-subtle);cursor:pointer;transition:background .15s ease;display:flex;flex-direction:column;gap:6px;position:relative}.mail-item:hover{background:var(--bg-hover)}.mail-item.selected{background:var(--bg-elevated);border-left:3px solid var(--accent-gold)}.mail-item.unread{font-weight:600}.mail-item-header{display:flex;align-items:center;justify-content:space-between}.sender-info{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--text-primary)}.unread-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-gold);box-shadow:0 0 6px var(--accent-gold)}.mail-date{font-size:.72rem;color:var(--text-muted);font-family:var(--font-mono)}.alias-pill{font-size:.68rem;font-family:var(--font-mono);padding:2px 6px;border-radius:var(--radius-sm);background:var(--bg-active);color:var(--accent-blue);display:inline-block;width:fit-content}.mail-subject{font-size:.88rem;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mail-snippet{font-size:.78rem;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.35}.mail-detail-pane{flex:1;background:var(--bg-primary);display:flex;flex-direction:column;overflow:hidden}.detail-header{padding:20px 28px;border-bottom:1px solid var(--border-subtle);display:flex;flex-direction:column;gap:16px;background:var(--bg-secondary)}.detail-actions{display:flex;align-items:center;justify-content:space-between}.action-buttons{display:flex;gap:8px}.btn-icon{background:var(--bg-tertiary);border:1px solid var(--border-subtle);color:var(--text-secondary);border-radius:var(--radius-md);padding:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.btn-icon:hover{background:var(--bg-hover);color:var(--text-primary)}.btn-action-primary{background:var(--accent-gold-soft);color:var(--accent-gold);border:1px solid rgba(251,191,36,.3);font-size:.84rem;font-weight:600;padding:7px 14px;border-radius:var(--radius-md);cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s ease}.btn-action-primary:hover{background:var(--accent-gold);color:#000}.detail-subject{font-size:1.35rem;font-weight:700;color:var(--text-primary);line-height:1.3}.detail-meta-card{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.sender-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#3b82f6,#1d4ed8);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1rem;color:#fff}.meta-details{flex:1;display:flex;flex-direction:column;gap:2px}.meta-from-row{display:flex;align-items:center;gap:8px;font-size:.95rem}.meta-from-name{font-weight:600;color:var(--text-primary)}.meta-from-email{color:var(--text-muted);font-size:.82rem;font-family:var(--font-mono)}.meta-to-row{font-size:.8rem;color:var(--text-secondary);display:flex;gap:6px;align-items:center}.detail-body-container{flex:1;overflow-y:auto;padding:28px;display:flex;flex-direction:column;gap:24px}.detail-body-content{color:var(--text-primary);font-size:.95rem;line-height:1.6;white-space:pre-wrap;word-break:break-word}.detail-html-frame{width:100%;min-height:450px;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:#fff}.attachments-section{display:flex;flex-direction:column;gap:10px;padding-top:18px;border-top:1px solid var(--border-subtle)}.attachment-pill{display:flex;align-items:center;gap:10px;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:10px 14px;width:fit-content;color:var(--text-primary);text-decoration:none;font-size:.84rem;transition:all .15s ease}.attachment-pill:hover{background:var(--bg-hover);border-color:var(--accent-gold)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.compose-modal{background:var(--bg-secondary);border:1px solid var(--border-strong);border-radius:var(--radius-lg);width:100%;max-width:720px;box-shadow:var(--shadow-dropdown);display:flex;flex-direction:column;overflow:hidden;animation:modalIn .2s ease-out}@keyframes modalIn{0%{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{padding:16px 20px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:1.05rem;font-weight:600;color:var(--text-primary)}.modal-form{padding:20px;display:flex;flex-direction:column;gap:14px}.form-group{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border-subtle);padding-bottom:8px}.form-label{width:60px;font-size:.82rem;color:var(--text-muted);font-weight:500}.form-input,.form-select{flex:1;background:transparent;border:none;outline:none;color:var(--text-primary);font-size:.9rem;font-family:inherit}.form-select option{background:var(--bg-secondary);color:var(--text-primary)}.form-textarea{width:100%;min-height:220px;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:14px;color:var(--text-primary);font-size:.92rem;font-family:inherit;outline:none;resize:vertical;line-height:1.5}.form-textarea:focus{border-color:var(--accent-gold)}.modal-footer{padding:14px 20px;border-top:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-muted);padding:40px;text-align:center}.empty-state-icon{width:48px;height:48px;color:var(--text-muted);opacity:.6}.login-screen{width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at center,#172138,#0a0d14);padding:20px}.login-card{background:#101522d9;border:1px solid var(--border-strong);border-radius:var(--radius-lg);padding:40px;width:100%;max-width:440px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 20px 50px #000c;display:flex;flex-direction:column;align-items:center;text-align:center;gap:24px}.security-badge{display:flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;color:var(--accent-gold);background:var(--accent-gold-soft);border:1px solid rgba(251,191,36,.2);padding:5px 12px;border-radius:var(--radius-full)}.btn-google{width:100%;background:#fff;color:#1f2937;border:none;font-weight:600;font-size:.95rem;padding:12px 20px;border-radius:var(--radius-md);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:12px;transition:all .2s ease;box-shadow:0 4px 12px #00000026}.btn-google:hover{background:#f8fafc;transform:translateY(-1px);box-shadow:0 6px 16px #00000040}