@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--primary-color: #1d4ed8;--primary-hover: #1e40af;--primary-light: #eff6ff;--header-bg: #0f172a;--header-text: #f8fafc;--bg-page: #f1f5f9;--bg-card: #ffffff;--bg-input: #f8fafc;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--text-light: #ffffff;--border-color: #e2e8f0;--border-light: #f1f5f9;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 4px 6px -1px rgba(15, 23, 42, .06), 0 2px 4px -2px rgba(15, 23, 42, .04);--shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, .06), 0 4px 6px -4px rgba(15, 23, 42, .04);--transition: .18s ease;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.6;font-weight:400;color:var(--text-primary);background:var(--bg-page);min-height:100vh;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;padding:0;min-height:100vh}#root{width:100%;min-height:100vh}.app-container:not(.app-container--fullscreen){display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;width:100%;max-width:none;margin:0;border:none;border-radius:0;box-shadow:none;background:linear-gradient(160deg,#f8fafc,#e2e8f0,#dbeafe)}.app-container:not(.app-container--fullscreen) .landing-hero{background:transparent}.app-container:not(.app-container--fullscreen) .auth-unified{background:var(--bg-card);border-radius:var(--radius-xl);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);padding:0 32px 28px;width:100%;max-width:440px}.app-container--fullscreen{display:flex;flex-direction:column;min-height:100vh;max-width:none;margin:0;border-radius:0;border:none;box-shadow:none}.app-container--fullscreen .app-header{flex-shrink:0}.app-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 24px;height:56px;background:var(--header-bg)}.app-header-brand{display:flex;align-items:center;gap:10px}.app-header-logo{font-size:1.35rem}.app-header-title{color:var(--header-text);font-size:1.15rem;font-weight:700;margin:0;letter-spacing:-.01em}.app-header-right{display:flex;align-items:center;gap:10px}.header-user-pill{display:flex;align-items:center;gap:10px;padding:4px 14px 4px 4px;border-radius:28px;background:#ffffff14;border:1px solid rgba(255,255,255,.1)}.header-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary-color);color:#fff;font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.header-user-info{display:flex;flex-direction:column;line-height:1.2}.header-user-name{color:var(--header-text);font-size:.8125rem;font-weight:600}.header-user-email{color:#f8fafcb3;font-size:.6875rem;font-weight:400}.btn-header{background:#ffffff1a;color:#f8fafce6;border:1px solid rgba(255,255,255,.12);padding:6px 14px;font-size:.75rem;font-weight:500;border-radius:var(--radius-md);cursor:pointer;font-family:inherit;transition:background var(--transition)}.btn-header:hover{background:#ffffff2e}.btn-header--danger{opacity:.7;font-size:.6875rem;padding:5px 10px}.btn-header--danger:hover{opacity:1;background:#ef44444d}.app-body{display:flex;flex:1;min-height:0;overflow:hidden}.app-sidebar{width:200px;flex-shrink:0;padding:12px 8px;border-right:1px solid var(--border-color);background:var(--bg-page);display:flex;flex-direction:column;gap:2px}.sidebar-btn{display:flex;align-items:center;gap:10px;width:100%;padding:10px 14px;font-size:.875rem;font-weight:500;text-align:left;background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;color:var(--text-secondary);transition:background var(--transition),color var(--transition);font-family:inherit}.sidebar-btn:hover{background:var(--bg-card);color:var(--text-primary)}.sidebar-btn.active{background:var(--primary-light);color:var(--primary-color);font-weight:600}.sidebar-icon{width:18px;height:18px;flex-shrink:0}.sidebar-label{flex:1}.sidebar-badge{margin-left:auto;background:var(--primary-color);color:#fff;font-size:.6875rem;font-weight:700;padding:2px 7px;border-radius:10px;min-width:20px;text-align:center}.sidebar-spacer{flex:1}.sidebar-balance{padding:10px 14px;font-size:.75rem;color:var(--text-muted);display:flex;gap:4px;align-items:baseline}.sidebar-balance-value{font-weight:600;color:var(--text-secondary);font-variant-numeric:tabular-nums}.app-main{flex:1;display:flex;min-width:0;overflow:hidden;background:var(--bg-card)}.compose-pane{flex:1;display:flex;flex-direction:column;max-width:720px;overflow:hidden}.compose-header{padding:20px 28px 0}.pane-title{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin:0}.compose-form{flex:1;display:flex;flex-direction:column;padding:16px 28px 20px;gap:0}.compose-field{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border-light)}.compose-label{font-size:.8125rem;font-weight:500;color:var(--text-muted);width:32px;flex-shrink:0}.compose-field .form-input-group{flex:1;border-color:transparent;background:transparent}.compose-field .form-input-group:focus-within{border-color:transparent;box-shadow:none}.compose-field .form-input{background:transparent;padding:6px 8px;font-size:.9375rem}.compose-field .form-input-suffix{background:transparent;border-left:none;font-size:.8125rem;color:var(--text-muted)}.compose-body-wrap{flex:1;display:flex;min-height:200px;margin-top:8px}.compose-body-input{width:100%;flex:1;border:none;outline:none;resize:none;font-size:.9375rem;font-family:inherit;color:var(--text-primary);line-height:1.65;padding:8px 4px;background:transparent}.compose-body-input::placeholder{color:var(--text-muted)}.compose-actions{display:flex;align-items:center;gap:12px;padding-top:12px;border-top:1px solid var(--border-light)}.btn-icon{width:16px;height:16px;flex-shrink:0}.btn-icon-only{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--radius-md);background:transparent;border:1px solid var(--border-color);cursor:pointer;color:var(--text-secondary);transition:background var(--transition),color 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var(--primary-color)}.msg-row--error{opacity:.6}.msg-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#3b82f6);color:#fff;font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;letter-spacing:.02em}.msg-content{flex:1;min-width:0}.msg-from{font-weight:600;font-size:.875rem;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.msg-preview{font-size:.8rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.msg-lock{font-size:.75rem;flex-shrink:0;opacity:.5}.reading-pane{flex:1;overflow:auto;display:flex;flex-direction:column;background:var(--bg-page)}.reading-header{display:flex;align-items:center;gap:14px;padding:20px 28px;background:var(--bg-card);border-bottom:1px solid 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slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.toast-icon{font-size:1.25rem}.toast-message{flex:1;font-size:.9rem;color:var(--text-primary)}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{display:flex;align-items:center;justify-content:center;padding:48px;gap:12px;color:var(--text-secondary)}.loading-overlay .spinner{border-color:var(--border-color);border-top-color:var(--primary-color)}.account-selector{display:flex;align-items:center;gap:12px}.account-info{display:flex;align-items:center;gap:12px;flex:1}.account-avatar{width:40px;height:40px;border-radius:50%;background:var(--primary-color);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}.landing-hero{padding:48px 40px;text-align:center;background:var(--bg-card)}.landing-hero--compact{padding:32px 40px 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var(--transition)}.auth-tab:hover:not(:disabled){color:var(--text-primary)}.auth-tab.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.auth-form{display:flex;flex-direction:column;gap:0}.auth-progress{display:flex;align-items:center;gap:10px;padding:10px 14px;font-size:.875rem;color:var(--text-secondary);background:var(--primary-light);border-radius:var(--radius-md);margin-bottom:12px}.auth-info-box{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:10px 14px;font-size:.8375rem;color:var(--text-secondary);background:#f59e0b14;border:1px solid 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.form-input{border:none;border-radius:0;box-shadow:none}.form-input-group .form-input:focus{box-shadow:none}.form-input--flex{flex:1;min-width:0}.form-input-suffix{display:flex;align-items:center;padding:0 12px;font-size:.875rem;color:var(--text-secondary);background:var(--bg-card);border-left:1px solid var(--border-color);white-space:nowrap;-webkit-user-select:none;user-select:none}.form-input-suffix--btn{cursor:pointer;font-weight:500;font-size:.8125rem;color:var(--primary-color);background:transparent;border:none;border-left:1px solid var(--border-color);padding:0 14px;font-family:inherit;transition:background var(--transition)}.form-input-suffix--btn:hover{background:var(--bg-input)}.auth-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:20px}.form-hint{font-size:.8rem;color:var(--text-muted);margin-top:8px}.form-hint strong{color:var(--text-primary);font-weight:600}.balance-row{font-size:.9375rem;margin-bottom:8px;padding:10px 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