:root{--bg-main:#08080A;--bg-darker:#050508;--sidebar-bg:#0d0d12;--card-bg:#111116;--card-hover:#16161e;--border-color:rgba(255,255,255,0.07);--border-gold:rgba(212,160,23,0.25);--gold-primary:#D4A017;--gold-dark:#b8860b;--gold-light:#FFDF73;--text-main:#ffffff;--text-muted:rgba(255,255,255,0.45);--font-head:'Fjalla One',sans-serif;--font-body:'Inter',sans-serif;--sidebar-w:260px;--nav-h:68px;--radius-lg:16px;--radius-md:12px;--radius-sm:8px;--shadow-card:0 4px 24px rgba(0,0,0,0.45);--shadow-gold:0 4px 20px rgba(212,160,23,0.22);--transition:all 0.2s ease}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-main);color:var(--text-main);font-family:var(--font-body);-webkit-font-smoothing:antialiased;overflow-x:hidden}.layout{display:flex;min-height:100vh;position:relative}.sidebar-container{position:fixed;top:0;left:0;height:100vh;z-index:60;transition:transform 0.3s cubic-bezier(0.16,1,0.3,1),box-shadow 0.3s ease}.sidebar{width:var(--sidebar-w);height:100vh;display:flex;flex-direction:column;background:var(--sidebar-bg);border-right:1px solid var(--border-color);box-shadow:4px 0 30px rgba(0,0,0,0.5);overflow:hidden}.sidebar-logo{padding:22px 24px;display:flex;align-items:center;gap:12px;font-family:var(--font-head);font-size:19px;letter-spacing:1.5px;text-transform:uppercase;color:var(--text-main);border-bottom:1px solid var(--border-color);flex-shrink:0;background:linear-gradient(135deg,rgba(212,160,23,0.04),transparent)}.sidebar-nav{flex:1;padding:16px 10px;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,0.07) transparent}.sidebar-nav::-webkit-scrollbar{width:4px}.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.07);border-radius:2px}.sidebar-nav ul{list-style:none;display:flex;flex-direction:column;gap:3px}.sidebar-link{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:var(--radius-sm);color:var(--text-muted);font-size:13.5px;font-weight:500;text-decoration:none;transition:var(--transition);border-left:3px solid transparent;letter-spacing:0.2px;position:relative;overflow:hidden}.sidebar-link::before{content:'';position:absolute;inset:0;background:rgba(255,255,255,0);transition:background 0.2s ease}.sidebar-link i{width:18px;text-align:center;font-size:15px;flex-shrink:0;transition:var(--transition)}.sidebar-link:hover{background:rgba(255,255,255,0.04);color:var(--text-main);border-left-color:rgba(255,255,255,0.15)}.sidebar-link:hover i{color:var(--gold-primary)}.sidebar-link.active{background:linear-gradient(90deg,rgba(212,160,23,0.12),rgba(212,160,23,0.03));color:var(--gold-light);border-left-color:var(--gold-primary);font-weight:600}.sidebar-link.active i{color:var(--gold-primary)}.sidebar-bottom{padding:14px 10px;border-top:1px solid var(--border-color);display:flex;flex-direction:column;gap:3px;background:rgba(0,0,0,0.15)}.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0);backdrop-filter:blur(0px);z-index:50;transition:background 0.3s ease,backdrop-filter 0.3s ease}.sidebar-overlay.show{display:block;background:rgba(0,0,0,0.6);backdrop-filter:blur(6px)}.main-content{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh;transition:margin-left 0.3s ease;background:radial-gradient(ellipse at 30% 0%,rgba(212,160,23,0.035) 0%,transparent 60%),var(--bg-main)}.dash-nav{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:rgba(13,13,18,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:40;box-shadow:0 2px 20px rgba(0,0,0,0.35)}.nav-left{display:flex;align-items:center;gap:14px}.hamburger-btn{display:none;background:rgba(255,255,255,0.05);border:1px solid var(--border-color);color:var(--text-main);font-size:16px;cursor:pointer;width:38px;height:38px;border-radius:var(--radius-sm);align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0}.hamburger-btn:hover{background:rgba(255,255,255,0.1)}.nav-welcome h2{font-family:var(--font-head);font-size:20px;color:var(--text-main);letter-spacing:0.5px;font-weight:400}.nav-actions{display:flex;align-items:center;gap:16px}.nav-profile{display:flex;align-items:center;gap:11px;padding-right:18px;border-right:1px solid var(--border-color)}.nav-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));display:flex;align-items:center;justify-content:center;font-weight:700;color:#000;font-size:15px;flex-shrink:0;box-shadow:0 0 12px rgba(212,160,23,0.35)}.nav-info{display:flex;flex-direction:column}.nav-name{font-size:13.5px;font-weight:600;color:#fff;line-height:1.2}.nav-plan-badge{font-size:9.5px;background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));color:#000;padding:2px 8px;border-radius:20px;font-weight:700;letter-spacing:1.2px;margin-top:3px;display:inline-block;text-transform:uppercase}.nav-logout{color:var(--text-muted);font-size:18px;cursor:pointer;background:rgba(255,255,255,0.05);border:1px solid var(--border-color);width:36px;height:36px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:var(--transition)}.nav-logout:hover{color:#ef4444;background:rgba(239,68,68,0.1);border-color:rgba(239,68,68,0.3)}.main-scroll{flex:1;padding:36px 32px;overflow-y:auto;overflow-x:hidden}.card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;transition:var(--transition);position:relative;overflow:hidden}.card:hover{border-color:rgba(255,255,255,0.12);background:var(--card-hover)}.card-gold{background:linear-gradient(145deg,rgba(212,160,23,0.08),var(--card-bg));border-color:var(--border-gold)}.btn-gold{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));color:#000;font-weight:700;font-size:14px;border:none;border-radius:var(--radius-sm);cursor:pointer;text-decoration:none;letter-spacing:0.5px;box-shadow:var(--shadow-gold);transition:var(--transition)}.btn-gold:hover{transform:translateY(-1px);box-shadow:0 8px 28px rgba(212,160,23,0.35)}.btn-ghost{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;background:rgba(255,255,255,0.04);color:#fff;font-weight:500;font-size:14px;border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;text-decoration:none;transition:var(--transition)}.btn-ghost:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.15)}.page-title{font-family:var(--font-head);font-size:30px;color:#fff;letter-spacing:0.8px;margin-bottom:8px}.page-subtitle{color:var(--text-muted);font-size:15px;margin-bottom:36px;line-height:1.6}.section-title{font-family:var(--font-head);font-size:22px;color:#fff;margin-bottom:18px}.gold-text{color:var(--gold-primary)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:22px;display:flex;align-items:center;gap:16px;transition:var(--transition)}.stat-card:hover{border-color:rgba(255,255,255,0.12);transform:translateY(-1px)}.stat-icon{width:44px;height:44px;border-radius:10px;background:rgba(212,160,23,0.1);border:1px solid var(--border-gold);display:flex;align-items:center;justify-content:center;color:var(--gold-primary);font-size:18px;flex-shrink:0}.progress-bar-wrap{background:rgba(255,255,255,0.08);height:6px;border-radius:99px;overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--gold-dark),var(--gold-primary));border-radius:99px;transition:width 1s ease}.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.8px}.badge-green{background:rgba(16,185,129,0.12);color:#10b981;border:1px solid rgba(16,185,129,0.25)}.badge-gold{background:rgba(212,160,23,0.12);color:var(--gold-primary);border:1px solid var(--border-gold)}.badge-red{background:rgba(239,68,68,0.1);color:#ef4444;border:1px solid rgba(239,68,68,0.25)}.premium-table{width:100%;border-collapse:collapse;font-size:14px}.premium-table th{color:var(--text-muted);text-align:left;padding-bottom:10px;border-bottom:1px solid var(--border-color);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:0.5px}.premium-table td{padding:13px 0;border-bottom:1px solid rgba(255,255,255,0.04)}.plan-select,.action-select{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.1);color:#fff;padding:6px 10px;border-radius:var(--radius-sm);font-size:11px;font-weight:600;letter-spacing:0.5px;outline:none;cursor:pointer;transition:var(--transition);appearance:none;background-image:url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23FFFFFF%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");background-repeat:no-repeat;background-position:right 8px top 50%;background-size:8px auto;padding-right:24px}.plan-select:hover,.action-select:hover{border-color:rgba(255,255,255,0.25);background:rgba(255,255,255,0.06)}.plan-select:focus,.action-select:focus{border-color:var(--gold-primary);box-shadow:0 0 0 2px rgba(212,160,23,0.2)}.plan-select option,.action-select option{background:var(--card-bg);color:#fff;padding:8px}.skeleton-row{display:flex;flex-direction:column;gap:12px;padding:20px}.skeleton-box{background:linear-gradient(90deg,rgba(255,255,255,0.03) 25%,rgba(255,255,255,0.08) 50%,rgba(255,255,255,0.03) 75%);background-size:200% 100%;animation:loadingShimmer 1.5s infinite;border-radius:var(--radius-sm);height:20px;width:100%}@keyframes loadingShimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--text-muted);text-align:center}.empty-state i{font-size:40px;margin-bottom:16px;color:rgba(255,255,255,0.15)}.empty-state h3{font-size:18px;font-weight:500;color:var(--text-main);margin-bottom:8px}.empty-state p{font-size:14px;max-width:300px;line-height:1.5}@media (max-width:900px){.sidebar-container{transform:translateX(-100%);box-shadow:none}.sidebar-container.open{transform:translateX(0);box-shadow:8px 0 40px rgba(0,0,0,0.7)}.main-content{margin-left:0}.hamburger-btn{display:flex}.nav-info{display:none}.main-scroll{padding:20px 16px}.dash-nav{padding:0 14px}.nav-welcome h2{font-size:17px}}@media (max-width:600px){.main-scroll{padding:16px 12px}.page-title{font-size:24px}.nav-welcome h2{font-size:15px}.stat-grid{grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:14px}.stat-icon{width:38px;height:38px;font-size:15px}}@media (max-width:400px){.stat-grid{grid-template-columns:1fr}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.1);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,0.2)}@media (max-width:480px){.course-grid{grid-template-columns:1fr !important}.ccard-thumb{aspect-ratio:16/9}.modal-box{padding:20px !important;width:95% !important}}