:root{--md-sys-color-primary:#1a73e8;--md-sys-color-on-primary:#fff;--md-sys-color-primary-container:#d3e3fd;--md-sys-color-on-primary-container:#041e49;--md-sys-color-secondary-container:#e8f0fe;--md-sys-color-on-secondary-container:#191c1c;--md-sys-color-surface:#f8f9fa;--md-sys-color-surface-container:#fff;--md-sys-color-on-surface:#1f1f1f;--md-sys-color-on-surface-variant:#444746;--md-sys-color-outline:#c4c7c5;--md-sys-color-outline-variant:#e1e3e1;--shadow-1:0 1px 2px #0000001a, 0 1px 3px 1px #0000000d;--shadow-2:0 2px 4px #0000001a, 0 4px 8px 2px #0000000d;--shadow-3:0 4px 8px #0000001a, 0 8px 16px 4px #0000000d;--transition-standard:.2s cubic-bezier(.2, 0, 0, 1);--transition-emphasized:.4s cubic-bezier(.2, 0, 0, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--md-sys-color-surface);color:var(--md-sys-color-on-surface);-webkit-font-smoothing:antialiased;height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;overflow:hidden}.app-layout{background:var(--md-sys-color-surface);width:100vw;height:100vh;display:flex}.nav-rail{background:var(--md-sys-color-surface);flex-direction:column;flex-shrink:0;align-items:center;gap:12px;width:88px;padding:12px 0;display:flex}.nav-brand{background:var(--md-sys-color-primary);color:#fff;width:48px;height:48px;box-shadow:var(--shadow-1);border-radius:16px;justify-content:center;align-items:center;margin-bottom:24px;font-family:Outfit;font-size:24px;font-weight:700;display:flex}.nav-item{cursor:pointer;width:56px;height:56px;transition:var(--transition-standard);color:var(--md-sys-color-on-surface-variant);background:0 0;border:none;border-radius:28px;flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative}.nav-item .icon-wrapper{width:56px;height:32px;transition:var(--transition-standard);border-radius:16px;justify-content:center;align-items:center;display:flex}.nav-item svg{fill:currentColor;width:24px;height:24px}.nav-item .label{margin-top:4px;font-size:12px;font-weight:500}.nav-item:hover .icon-wrapper{background:#0000000d}.nav-item.active{color:var(--md-sys-color-on-surface);font-weight:600}.nav-item.active .icon-wrapper{background:var(--md-sys-color-secondary-container);color:var(--md-sys-color-primary)}.user-avatar{background:var(--md-sys-color-primary);color:#fff;cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;margin-top:auto;margin-bottom:12px;font-size:14px;font-weight:600;display:flex}.main-content{background:var(--md-sys-color-surface-container);box-shadow:var(--shadow-1);border-radius:24px;flex-direction:column;flex:1;margin:8px 8px 8px 0;display:flex;position:relative;overflow:hidden}.app-header{justify-content:center;align-items:center;height:64px;padding:0 24px;display:flex;position:relative}.search-pill{width:100%;max-width:720px;height:48px;transition:var(--transition-standard);background:#eef1f5;border-radius:24px;align-items:center;gap:16px;padding:0 20px;display:flex}.search-pill:focus-within{box-shadow:var(--shadow-2);background:#fff}.search-icon{width:20px;height:20px;fill:var(--md-sys-color-on-surface-variant)}.search-pill input{width:100%;color:var(--md-sys-color-on-surface);background:0 0;border:none;outline:none;font-size:16px}.header-actions{position:absolute;right:24px}.mail-container{flex-direction:column;flex:1;padding:0;display:flex;overflow-y:auto}.folder-header{justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.folder-title{font-family:Outfit;font-size:24px;font-weight:400}.mail-list{flex-direction:column;display:flex}.mail-item{border-bottom:1px solid var(--md-sys-color-outline-variant);cursor:pointer;align-items:center;gap:16px;padding:12px 24px;transition:background .15s;display:flex}.mail-item:hover{background:#f2f5f9}.mail-item.unread{background:#fff;font-weight:600;position:relative}.mail-item.unread:before{content:"";background:var(--md-sys-color-primary);width:4px;position:absolute;top:0;bottom:0;left:0}.mail-sender-avatar{background:var(--md-sys-color-primary-container);width:40px;height:40px;color:var(--md-sys-color-on-primary-container);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:600;display:flex}.mail-info{flex:1;min-width:0}.mail-top-line{justify-content:space-between;margin-bottom:2px;display:flex}.mail-sender{font-size:14px}.mail-date{color:var(--md-sys-color-on-surface-variant);font-size:12px}.mail-subject{color:var(--md-sys-color-on-surface);margin-bottom:2px;font-size:14px}.mail-snippet{color:var(--md-sys-color-on-surface-variant);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.fab{background:var(--md-sys-color-primary-container);color:var(--md-sys-color-on-primary-container);cursor:pointer;height:56px;box-shadow:var(--shadow-2);transition:var(--transition-standard);z-index:10;border:none;border-radius:16px;align-items:center;gap:12px;padding:0 24px;font-family:Inter;font-weight:600;display:flex;position:absolute;bottom:24px;right:24px}.fab:hover{box-shadow:var(--shadow-3);background:#bddaff;transform:translateY(-2px)}.fab:active{transform:translateY(0)scale(.98)}.fab svg{width:24px;height:24px}.modal{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000052;justify-content:center;align-items:center;display:none;position:fixed;inset:0}.modal.active{display:flex}.modal-content{width:90%;max-width:640px;box-shadow:var(--shadow-3);animation:modalScale .3s var(--transition-emphasized);background:#fff;border-radius:28px;padding:24px}@keyframes modalScale{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.modal-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.modal-header h2{font-family:Outfit;font-size:24px;font-weight:400}.compose-form{flex-direction:column;gap:16px;display:flex}.form-field input{border:none;border-bottom:1px solid var(--md-sys-color-outline-variant);outline:none;width:100%;padding:16px;font-family:inherit;font-size:16px;transition:border-color .2s}.form-field input:focus{border-color:var(--md-sys-color-primary)}.content-field textarea{resize:none;border:none;outline:none;width:100%;min-height:240px;padding:16px;font-family:inherit;font-size:16px}.modal-actions{justify-content:flex-end;padding-top:16px;display:flex}.logout-btn{color:var(--md-sys-color-primary);border:1px solid var(--md-sys-color-outline);cursor:pointer;background:0 0;border-radius:20px;padding:8px 16px;font-size:14px;font-weight:600}.logout-btn:hover{border-color:var(--md-sys-color-primary);background:#f1f3f4}.empty-state{color:var(--md-sys-color-on-surface-variant);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:80px 24px;display:flex}.empty-state .icon-well{background:var(--md-sys-color-surface);border-radius:50%;justify-content:center;align-items:center;width:120px;height:120px;margin-bottom:20px;display:flex}.empty-state svg{opacity:.5;width:48px;height:48px}.empty-state h3{margin-bottom:8px;font-family:Outfit;font-size:20px;font-weight:400}.loading-screen{height:100vh;color:var(--md-sys-color-primary);justify-content:center;align-items:center;font-family:Outfit;font-size:20px;display:flex}