:root{--bg-primary:#0a0b10;--bg-secondary:#12131a;--bg-tertiary:#191b26;--accent-primary:#7c4dff;--accent-secondary:#00e5ff;--text-primary:#fff;--text-secondary:#b0b3c6;--text-muted:#676a88;--border-color:hsla(0,0%,100%,.07);--glass-bg:rgba(18,19,26,.7);--glass-border:hsla(0,0%,100%,.04);--shadow-main:0 8px 32px 0 rgba(0,0,0,.37);--font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;height:100vh}.login-wrapper{display:flex;align-items:center;justify-content:center;height:100vh;background:radial-gradient(circle at top right,rgba(124,77,255,.12),transparent),radial-gradient(circle at bottom left,rgba(0,229,255,.08),transparent)}.login-card{width:100%;max-width:440px;padding:40px;border-radius:16px;text-align:center}.brand-title{font-size:2.2rem;font-weight:900;letter-spacing:-.05em;background:linear-gradient(135deg,var(--text-primary) 30%,var(--accent-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:4px}.brand-subtitle{font-size:.85rem;color:var(--accent-secondary);text-transform:uppercase;letter-spacing:.15em;font-weight:700;margin-bottom:32px}.app-container{display:flex;height:100vh;overflow:hidden;background:radial-gradient(circle at 80% 10%,rgba(124,77,255,.04),transparent 50%),radial-gradient(circle at 10% 90%,rgba(0,229,255,.03),transparent 50%)}.sidebar{width:280px;background-color:var(--bg-secondary);border-right:1px solid var(--border-color);flex-direction:column}.main-content,.sidebar{display:flex;height:100%}.main-content{flex:1 1;flex-direction:column;overflow:hidden}.top-nav{height:80px;padding:0 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-color);background-color:rgba(10,11,16,.5);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.content-pane{flex:1 1;padding:40px;overflow-y:auto;display:flex;flex-direction:column;gap:24px}.menu-section-label{padding:24px 24px 8px;font-size:.75rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;justify-content:space-between}.menu-item,.menu-section-label{display:flex;align-items:center}.menu-item{gap:12px;padding:12px 24px;color:var(--text-secondary);text-decoration:none;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);border-left:3px solid transparent}.menu-item:hover{background-color:hsla(0,0%,100%,.02);color:var(--text-primary);padding-left:28px}.menu-item.active{background:linear-gradient(90deg,rgba(124,77,255,.08),transparent);color:var(--text-primary);border-left-color:var(--accent-primary);font-weight:600}.user-widget{padding:20px;border-top:1px solid var(--border-color);gap:12px;background-color:rgba(0,0,0,.1)}.user-avatar,.user-widget{display:flex;align-items:center}.user-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));justify-content:center;font-weight:700;color:#fff}.user-info{flex:1 1;overflow:hidden}.user-name{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:.75rem;font-weight:500}.btn-logout,.user-role{color:var(--text-muted)}.btn-logout{background:transparent;border:none;cursor:pointer;font-size:1.1rem;padding:6px;border-radius:6px;transition:all .2s;display:flex;align-items:center}.btn-logout:hover{color:#ff5252;background-color:rgba(255,82,82,.08)}.input-group{margin-bottom:20px;text-align:left}.input-label{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}.input-field{width:100%;background-color:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;padding:12px 16px;color:var(--text-primary);font-family:inherit;font-size:.95rem;transition:all .2s}.input-field:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px rgba(124,77,255,.15)}.glass-panel{background-color:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);box-shadow:var(--shadow-main)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:8px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);font-family:inherit}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(135deg,var(--accent-primary),#6200ea);color:#fff;border:none;box-shadow:0 4px 15px rgba(124,77,255,.3)}.btn-primary:hover{filter:brightness(1.1);box-shadow:0 6px 20px rgba(124,77,255,.4)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:hsla(0,0%,100%,.04);border-color:var(--text-secondary)}.btn-outline{background-color:transparent;color:var(--text-secondary);border:1px solid var(--border-color)}.btn-outline:hover{color:var(--text-primary);border-color:var(--accent-secondary);background-color:rgba(0,229,255,.03)}.retractable-success-panel{background:linear-gradient(135deg,rgba(0,229,255,.08),rgba(124,77,255,.04));border:1px solid rgba(0,229,255,.2);border-radius:12px;padding:24px;margin-bottom:24px;animation:slideDown .35s cubic-bezier(.16,1,.3,1)}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.success-badge{display:inline-flex;align-items:center;gap:6px;background-color:rgba(0,200,83,.12);color:#00e676;padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;border:1px solid rgba(0,200,83,.2);margin-bottom:12px}.success-detail-box{background-color:rgba(10,11,16,.6);border:1px solid var(--border-color);border-radius:8px;padding:16px;margin-top:16px;display:flex;flex-direction:column;gap:12px}.success-detail-row{display:flex;justify-content:space-between;align-items:center;font-size:.9rem}.btn-copy{display:inline-flex;align-items:center;gap:6px;background-color:hsla(0,0%,100%,.04);border:1px solid var(--border-color);color:var(--text-secondary);padding:6px 12px;border-radius:6px;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s}.btn-copy:hover{background-color:hsla(0,0%,100%,.08);color:#fff;border-color:var(--text-secondary)}.mail-grid{display:grid;grid-template-columns:380px 1fr;grid-gap:24px;gap:24px;flex:1 1;min-height:0}.mail-list-pane{gap:16px;min-height:0}.mail-items-container,.mail-list-pane{display:flex;flex-direction:column;overflow-y:auto}.mail-items-container{gap:12px}.mail-item{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;padding:16px;cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column;gap:6px}.mail-item:hover{border-color:var(--text-muted);transform:translateY(-2px);background-color:hsla(0,0%,100%,.01)}.mail-item.active{border-color:var(--accent-primary);background-color:rgba(124,77,255,.04);box-shadow:0 4px 20px rgba(124,77,255,.1)}.mail-item.important{border-left:3px solid var(--accent-secondary)}.mail-item-header{display:flex;justify-content:space-between;align-items:center}.mail-item-sender{font-size:.85rem;font-weight:700;color:var(--text-primary);text-overflow:ellipsis;overflow:hidden;white-space:nowrap;max-width:200px}.mail-item-date{font-size:.75rem;color:var(--text-muted)}.mail-item-subject{font-size:.9rem;font-weight:600;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-item-preview{font-size:.8rem;color:var(--text-secondary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.mail-viewer-pane{border-radius:16px;padding:32px;display:flex;flex-direction:column;min-height:0;overflow-y:auto}.mail-viewer-header{border-bottom:1px solid var(--border-color);padding-bottom:24px;margin-bottom:24px}.mail-viewer-body{line-height:1.7;font-size:.98rem;color:#e0e0e0;flex:1 1}.compose-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(6,7,10,.8);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000}.compose-card{width:100%;max-width:680px;border-radius:16px;padding:32px;box-shadow:var(--shadow-main);animation:modalScale .3s cubic-bezier(.34,1.56,.64,1)}@keyframes modalScale{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.animate-fade-in{animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}