:root{--color-primary: #1b2d45;--color-primary-light: #2d4a6f;--color-accent: #3b82f6;--color-background: #f4f6fa;--color-sidebar: #1b2d45;--color-text: #1b2d45;--color-text-light: #64748b;--color-white: #ffffff;--color-border: #e2e8f0;--color-success: #10b981;--color-warning: #f59e0b}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--color-background);color:var(--color-text);line-height:1.6}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--color-sidebar);color:var(--color-white);display:flex;flex-direction:column;position:fixed;height:100vh;z-index:100}.sidebar-header{padding:1.5rem;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo{height:40px;width:auto}.sidebar-nav{flex:1;padding:1rem 0}.nav-link{display:flex;align-items:center;gap:.75rem;padding:.875rem 1.5rem;color:#ffffffb3;text-decoration:none;transition:all .2s;font-size:.9375rem}.nav-link:hover{background:#ffffff1a;color:var(--color-white)}.nav-link.active{background:#ffffff26;color:var(--color-white);border-left:3px solid var(--color-accent)}.nav-icon{width:20px;height:20px;opacity:.8}.sidebar-footer{padding:1rem 1.5rem;border-top:1px solid rgba(255,255,255,.1)}.user-info{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--color-accent);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.875rem}.user-name{font-size:.875rem;font-weight:500}.user-org{font-size:.75rem;color:#ffffff80}.logout-btn{width:100%;padding:.5rem;background:#ffffff1a;border:none;border-radius:6px;color:#ffffffb3;cursor:pointer;font-size:.8125rem;transition:all .2s}.logout-btn:hover{background:#fff3;color:var(--color-white)}.main-content{flex:1;margin-left:260px;padding:2rem;min-height:100vh}.page-header{margin-bottom:2rem}.page-title{font-size:1.75rem;font-weight:600;color:var(--color-text);margin-bottom:.5rem}.page-subtitle{color:var(--color-text-light);font-size:.9375rem}.card{background:var(--color-white);border-radius:12px;padding:1.5rem;box-shadow:0 1px 3px #0000001a}.card-title{font-size:1rem;font-weight:600;margin-bottom:1rem;color:var(--color-text)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--color-white);border-radius:12px;padding:1.25rem;box-shadow:0 1px 3px #0000001a}.stat-label{font-size:.8125rem;color:var(--color-text-light);margin-bottom:.5rem}.stat-value{font-size:1.5rem;font-weight:600;color:var(--color-text)}.stat-value.success{color:var(--color-success)}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:8px;font-size:.9375rem;font-weight:500;cursor:pointer;transition:all .2s;border:none;text-decoration:none}.btn-primary{background:var(--color-accent);color:var(--color-white)}.btn-primary:hover{background:#2563eb}.btn-secondary{background:var(--color-white);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-background)}.plan-card{max-width:400px}.plan-name{font-size:1.25rem;font-weight:600;margin-bottom:.25rem}.plan-status{display:inline-block;padding:.25rem .75rem;background:#dcfce7;color:#166534;border-radius:20px;font-size:.75rem;font-weight:500;margin-bottom:1rem}.plan-description{color:var(--color-text-light);font-size:.875rem;margin-bottom:1.5rem}.support-frame{width:100%;min-height:600px;border:none;border-radius:12px;background:var(--color-white)}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--color-background)}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.sidebar{width:100%;height:auto;position:relative}.main-content{margin-left:0}.stats-grid{grid-template-columns:1fr}}