/* Complete CSS - See previous version */
:root{--primary-color:#5865F2;--bg-color:#fff;--text-color:#1a1a1a;--card-bg:#fff;--border-color:#e5e7eb;--sidebar-bg:#1a1a1a}[data-theme=dark]{--bg-color:#0f0f0f;--text-color:#e5e7eb;--card-bg:#1a1a1a;--border-color:#374151;--sidebar-bg:#0a0a0a}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6;transition:background-color .3s ease}.card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:0 2px 8px rgba(0,0,0,.08)}.btn{padding:12px 24px;border-radius:8px;font-weight:600;border:none;cursor:pointer;transition:all .3s ease}.btn-primary{background:var(--primary-color);color:#fff}.btn-success{background:#10b981;color:#fff}.btn-danger{background:#ef4444;color:#fff}.btn-block{width:100%;display:block}.form-control{width:100%;padding:12px 16px;border:2px solid var(--border-color);border-radius:8px;background:var(--input-bg);color:var(--text-color)}.form-control:focus{outline:none;border-color:var(--primary-color)}.sidebar{position:fixed;top:0;left:0;height:100vh;width:260px;background:var(--sidebar-bg);padding:20px 0;overflow-y:auto;z-index:1000}.sidebar-menu{list-style:none}.sidebar-menu a{display:flex;align-items:center;padding:12px 20px;color:#fff;text-decoration:none;opacity:.8}.sidebar-menu a.active,.sidebar-menu a:hover{background:rgba(88,101,242,.1);opacity:1;border-left:3px solid var(--primary-color)}.main-content{margin-left:260px;padding:20px;min-height:100vh}.header{background:var(--card-bg);padding:15px 20px;border-radius:12px;margin-bottom:20px;display:flex;justify-content:space-between;align-items:center}.wallet-card{position:relative;overflow:hidden}.wallet-card-icon{position:absolute;top:20px;right:20px;width:60px;height:60px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.2);border-radius:12px;font-size:28px}.wallet-amount{font-size:32px;font-weight:700;margin-bottom:8px}.alert{padding:15px 20px;border-radius:8px;margin-bottom:20px;border-left:4px solid}.alert-success{background:rgba(16,185,129,.1);border-color:#10b981;color:#10b981}.alert-danger{background:rgba(239,68,68,.1);border-color:#ef4444;color:#ef4444}.table{width:100%;border-collapse:collapse}.table td,.table th{padding:12px;text-align:left;border-bottom:1px solid var(--border-color)}@media (max-width:768px){.sidebar{left:-260px}.sidebar.active{left:0}.main-content{margin-left:0}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.auth-card{background:var(--card-bg);padding:40px;border-radius:20px;max-width:450px;width:100%}.row{display:flex;flex-wrap:wrap;margin:0 -10px}.col-md-3,.col-md-4,.col-md-6,.col-md-12{padding:0 10px;margin-bottom:20px}@media (min-width:768px){.col-md-3{flex:0 0 25%;max-width:25%}.col-md-4{flex:0 0 33.333%;max-width:33.333%}.col-md-6{flex:0 0 50%;max-width:50%}.col-md-12{flex:0 0 100%;max-width:100%}}
