:root{--bg-primary:#0f0f0f;--bg-secondary:#1a1a1a;--bg-tertiary:#252525;--bg-hover:#2a2a2a;--text-primary:#ffffff;--text-secondary:#a0a0a0;--text-muted:#666666;--border-color:#333333;--accent-primary:#3b82f6;--accent-hover:#2563eb;--accent-success:#22c55e;--accent-danger:#ef4444;--accent-danger-hover:#dc2626;--sidebar-width:240px;--header-height:60px}*{margin:0;padding:0;box-sizing:border-box}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;min-height:100vh}.app-layout{display:flex;min-height:100vh}.app-header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);justify-content:space-between;padding:0 24px;z-index:100}.app-header,.app-header .logo{display:flex;align-items:center}.app-header .logo{gap:12px}.app-header .logo-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--accent-primary),#8b5cf6);border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}.app-header .logo-text{font-size:18px;font-weight:600;color:var(--text-primary)}.app-header .header-actions{display:flex;align-items:center;gap:16px}.app-header .user-info{display:flex;align-items:center;gap:12px;padding:8px 12px;background-color:var(--bg-tertiary);border-radius:8px}.app-header .user-avatar{width:32px;height:32px;background-color:var(--accent-primary);border-radius:50%;justify-content:center;font-weight:500}.app-header .user-avatar,.logout-btn{display:flex;align-items:center;font-size:14px}.logout-btn{gap:8px;padding:8px 16px;background-color:transparent;border:1px solid var(--border-color);border-radius:6px;color:var(--text-secondary);text-decoration:none;transition:all .2s;cursor:pointer}.logout-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary);border-color:var(--text-muted)}.app-sidebar{position:fixed;top:var(--header-height);left:0;width:var(--sidebar-width);height:calc(100vh - var(--header-height));background-color:var(--bg-secondary);border-right:1px solid var(--border-color);padding:16px 0;overflow-y:auto}.sidebar-section{padding:0 12px;margin-bottom:24px}.sidebar-section-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);padding:8px 12px;margin-bottom:4px}.sidebar-nav{list-style:none}.sidebar-nav-item{margin-bottom:2px}.sidebar-nav-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:6px;color:var(--text-secondary);text-decoration:none;font-size:14px;transition:all .2s}.sidebar-nav-link:hover{background-color:var(--bg-hover);color:var(--text-primary)}.sidebar-nav-link.active{background-color:var(--accent-primary);color:white}.sidebar-nav-link .nav-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:16px}.app-content{margin-left:var(--sidebar-width);margin-top:var(--header-height);padding:24px;min-height:calc(100vh - var(--header-height));width:calc(100% - var(--sidebar-width))}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-title{font-size:24px;font-weight:600;color:var(--text-primary)}.page-actions{display:flex;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;border:none;text-decoration:none}.btn-primary{background-color:var(--accent-primary);color:white}.btn-primary:hover{background-color:var(--accent-hover)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--bg-hover)}.btn-danger{background-color:var(--accent-danger);color:white}.btn-danger:hover{background-color:var(--accent-danger-hover)}.btn-sm{padding:6px 12px;font-size:13px}.data-grid{background-color:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color);overflow:hidden}.data-grid-header{display:grid;grid-template-columns:2fr 1.5fr 1.5fr 1fr 120px;grid-gap:16px;gap:16px;padding:14px 20px;background-color:var(--bg-tertiary);border-bottom:1px solid var(--border-color);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary)}.data-grid-body{max-height:calc(100vh - 280px);overflow-y:auto}.data-grid-row{display:grid;grid-template-columns:2fr 1.5fr 1.5fr 1fr 120px;grid-gap:16px;gap:16px;padding:16px 20px;border-bottom:1px solid var(--border-color);align-items:center;transition:background-color .2s}.data-grid-row:last-child{border-bottom:none}.data-grid-row:hover{background-color:var(--bg-hover)}.data-grid-cell{font-size:14px;color:var(--text-primary)}.data-grid-cell.secondary{color:var(--text-secondary)}.data-grid-cell.actions{display:flex;gap:8px;justify-content:flex-end}.tier-badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:12px;font-size:12px;font-weight:500;text-transform:capitalize}.tier-badge.bronze{background-color:rgba(205,127,50,.2);color:#cd7f32}.tier-badge.silver{background-color:rgba(192,192,192,.2);color:#c0c0c0}.tier-badge.gold{background-color:rgba(255,215,0,.2);color:#ffd700}.tier-badge.platinum{background-color:rgba(229,228,226,.2);color:#e5e4e2}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{background-color:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color);width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 40px rgba(0,0,0,.5)}.modal-header{padding:20px 24px;border-bottom:1px solid var(--border-color)}.modal-title{font-size:18px;font-weight:600;color:var(--text-primary)}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end;gap:12px}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;font-weight:500}.form-input,.form-label{font-size:14px;color:var(--text-primary)}.form-input{width:100%;padding:12px 16px;background-color:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;transition:all .2s}.form-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px rgba(59,130,246,.2)}.form-input::placeholder{color:var(--text-muted)}.form-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.form-error{margin-top:16px;padding:12px 16px;background-color:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);border-radius:8px;color:var(--accent-danger);font-size:14px}.react-select-container .react-select__control{background-color:var(--bg-tertiary);border-color:var(--border-color);border-radius:8px;min-height:44px}.react-select-container .react-select__control:hover{border-color:var(--text-muted)}.react-select-container .react-select__control--is-focused{border-color:var(--accent-primary);box-shadow:0 0 0 3px rgba(59,130,246,.2)}.react-select-container .react-select__menu{background-color:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px}.react-select-container .react-select__option{background-color:transparent;color:var(--text-primary)}.react-select-container .react-select__option:hover{background-color:var(--bg-hover)}.react-select-container .react-select__option--is-selected{background-color:var(--accent-primary)}.react-select-container .react-select__single-value{color:var(--text-primary)}.react-select-container .react-select__multi-value{background-color:var(--accent-primary);border-radius:4px}.react-select-container .react-select__multi-value__label{color:white}.react-select-container .react-select__multi-value__remove:hover{background-color:var(--accent-hover);color:white}.react-select-container .react-select__input-container{color:var(--text-primary)}.react-select-container .react-select__placeholder{color:var(--text-muted)}.loading-container{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.8);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2000}.loading-spinner{width:48px;height:48px;border:3px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}.loading-text{margin-top:16px;font-size:14px;color:var(--text-secondary)}@keyframes spin{to{transform:rotate(1turn)}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--bg-primary) 0,#1a1a2e 100%)}.login-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:48px;text-align:center;max-width:400px;width:100%;box-shadow:0 20px 40px rgba(0,0,0,.5)}.login-logo{width:64px;height:64px;background:linear-gradient(135deg,var(--accent-primary),#8b5cf6);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;font-size:24px;font-weight:700}.login-title{font-size:24px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.login-subtitle{font-size:14px;color:var(--text-secondary);margin-bottom:32px}.login-btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:14px 24px;background-color:var(--accent-primary);color:white;border:none;border-radius:8px;font-size:16px;font-weight:500;text-decoration:none;transition:all .2s}.login-btn:hover{background-color:var(--accent-hover);transform:translateY(-1px)}.empty-state{text-align:center;padding:48px;color:var(--text-secondary)}.empty-state-icon{font-size:48px;margin-bottom:16px;opacity:.5}.empty-state-text{font-size:16px}