@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#f03e46;--primary-dark:#d62d35;--primary-light:#f78b90;--primary-glow:#f03e4633;--accent:#3b3d42;--accent-dark:#222326;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--bg-dark:#fff;--bg-card:#fff;--bg-input:#f8fafc;--bg-glass:#fffffff2;--border:#e2e8f0;--border-focus:#f03e4680;--text-primary:#1e293b;--text-secondary:#475569;--text-muted:#94a3b8;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--shadow-card:0 10px 40px #00000014;--shadow-glow:0 0 20px #f03e461a;--transition:all .25s cubic-bezier(.4, 0, .2, 1);--header-height:72px;--sidebar-width:260px}body{color:var(--text-primary);-webkit-font-smoothing:antialiased;background-color:#fcfcfc;background-image:url(/bg.png);background-position:50%;background-repeat:no-repeat;background-size:cover;background-attachment:fixed;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}.page-wrapper{justify-content:center;align-items:center;min-height:100vh;padding:2rem 1rem;display:flex;position:relative;overflow:hidden}.reg-container{z-index:1;width:100%;max-width:540px;position:relative}.reg-card{background:var(--bg-glass);border:1px solid var(--border);border-radius:var(--radius-xl);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-card);padding:3rem;position:relative;overflow:hidden}.reg-card:before{content:"";background:linear-gradient(90deg, var(--primary), var(--primary-light));height:4px;position:absolute;top:0;left:0;right:0}.brand-logo{max-width:220px;margin:0 auto 1.5rem;display:block}.reg-main-title{color:var(--text-primary);letter-spacing:-1px;margin-bottom:.5rem;font-size:1.9rem;font-weight:800;line-height:1.1}.reg-title{color:var(--text-secondary);letter-spacing:-.5px;margin-bottom:.8rem;font-size:1.5rem;font-weight:700}.reg-subtitle{color:var(--text-secondary);font-size:.95rem;font-weight:400}.form-group{margin-bottom:1.35rem;position:relative}.form-label{color:var(--text-primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.5rem;font-size:.85rem;font-weight:600;display:block}.form-label span{color:var(--primary)}.input-wrapper{position:relative}.input-icon{color:var(--text-muted);transition:var(--transition);pointer-events:none;font-size:1.1rem;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.reg-container .form-input,.admin-card .form-input{background:var(--bg-input);border:1.5px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:var(--transition);outline:none;padding:.85rem 1rem .85rem 2.75rem;font-family:inherit;font-size:.95rem}.reg-container .form-input:focus,.admin-card .form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow);background:#fff}.reg-container .form-input.error,.admin-card .form-input.error{border-color:var(--danger);background:#fef2f2}.reg-container .form-input.success,.admin-card .form-input.success{border-color:var(--success)}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2000;opacity:0;visibility:hidden;background:#0f172aa6;justify-content:center;align-items:center;width:100%;height:100%;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;left:0}.modal-overlay.active{opacity:1;visibility:visible}.modal-content{border-radius:var(--radius-xl);background:#fff;width:100%;max-width:500px;padding:2.5rem;transition:all .3s cubic-bezier(.34,1.56,.64,1);position:relative;transform:translateY(20px);box-shadow:0 25px 50px -12px #00000040}.modal-overlay.active .modal-content{transform:translateY(0)}.modal-close{cursor:pointer;width:32px;height:32px;color:var(--text-secondary);transition:var(--transition);background:#f1f5f9;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:1.25rem;right:1.25rem}.modal-close:hover{background:var(--danger);color:#fff}.admin-form .form-input,.search-input{border-radius:var(--radius-sm);border:1px solid var(--border);width:100%;transition:var(--transition);background:#fff;outline:none;padding:.75rem 1rem;font-family:inherit;font-size:.95rem}.admin-form .form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.error-msg{color:var(--danger);align-items:center;gap:.35rem;margin-top:.4rem;font-size:.8rem;font-weight:500;animation:.2s slideDown;display:flex}.reg-container{background:radial-gradient(circle at 0 0,#f8fafc,#f1f5f9);justify-content:center;align-items:center;min-height:100vh;padding:2rem 1.5rem;display:flex}.reg-card{border-radius:var(--radius-xl);border:1px solid var(--border);background:#fff;width:100%;max-width:580px;padding:3.5rem;position:relative;overflow:hidden;box-shadow:0 25px 50px -12px #0f172a14}.reg-card:before{content:"";background:var(--primary);width:100%;height:6px;position:absolute;top:0;left:0}.reg-header{text-align:center;margin-bottom:2.5rem}.brand-logo{height:60px;margin-bottom:1.5rem}.reg-main-title{color:var(--text-primary);letter-spacing:-.025em;margin-bottom:.5rem;font-size:2.25rem;font-weight:800}.reg-title{color:var(--text-secondary);margin-bottom:1rem;font-size:1.25rem;font-weight:700}.reg-subtitle{color:var(--text-muted);font-size:1rem;line-height:1.5}.form-row{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.submit-btn{background:linear-gradient(135deg, var(--primary), var(--primary-dark));color:#fff;border-radius:var(--radius-md);cursor:pointer;width:100%;transition:var(--transition);box-shadow:0 8px 20px var(--primary-glow);border:none;justify-content:center;align-items:center;gap:.75rem;margin-top:1.5rem;padding:1rem;font-size:1.1rem;font-weight:700;display:flex}.submit-btn:hover:not(:disabled){box-shadow:0 12px 25px var(--primary-glow);filter:brightness(1.05);transform:translateY(-2px)}.submit-btn:active{transform:translateY(0)}.submit-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}@media (width<=640px){.reg-card{padding:2rem 1.5rem}.reg-main-title{font-size:1.75rem}.form-row{grid-template-columns:1fr;gap:0}}.page-wrapper{background:radial-gradient(circle at 0 0,#f8fafc,#f1f5f9);justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex}.admin-card{border-radius:var(--radius-xl);border:1px solid var(--border);background:#fff;width:100%;max-width:440px;padding:3rem;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.admin-badge{color:#be123c;text-transform:uppercase;letter-spacing:.5px;background:#fff1f2;border-radius:999px;align-items:center;gap:.5rem;padding:.4rem 1rem;font-size:.8rem;font-weight:800;display:inline-flex}.admin-login-btn{color:#fff;border-radius:var(--radius-md);cursor:pointer;width:100%;transition:var(--transition);background:linear-gradient(90deg,#1e293b,#0f172a);border:none;justify-content:center;align-items:center;gap:.5rem;padding:.85rem;font-size:1rem;font-weight:700;display:flex;box-shadow:0 4px 12px #0f172a33}.admin-login-btn:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 6px 15px #0f172a4d}.admin-login-btn:active{transform:translateY(0)}.back-link{color:var(--text-muted);transition:var(--transition);margin-top:2rem;font-size:.95rem;font-weight:600;text-decoration:none}.back-link:hover{color:var(--primary)}.dashboard-layout{background-color:#f8fafc;min-height:100vh;display:flex}.admin-sidebar{width:var(--sidebar-width);height:calc(100vh - var(--header-height));border-right:1px solid var(--border);top:var(--header-height);z-index:1000;transition:var(--transition);background:#fff;position:fixed;left:0}.dashboard-nav{width:100%;height:var(--header-height);z-index:1010;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#fffffff2;justify-content:space-between;align-items:center;padding:0 2rem;display:flex;position:fixed;top:0;left:0;box-shadow:0 4px 15px #0000000a}.nav-brand{align-items:center;height:100%;display:flex}.nav-actions{align-items:center;gap:1rem;display:flex}.btn-logout{color:#be123c;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);background:#fff1f2;border:1.5px solid #fecdd3;align-items:center;gap:.4rem;padding:.5rem 1rem;font-size:.85rem;font-weight:700;display:flex}.btn-logout:hover{color:#fff;background:#be123c;border-color:#be123c;transform:translateY(-1px)}.dashboard-content{margin-left:var(--sidebar-width);margin-top:var(--header-height);transition:var(--transition);flex:1;min-width:0;padding:2.5rem}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.5rem;margin-bottom:2rem;display:flex}.page-title{color:var(--text-primary);letter-spacing:-.025em;font-size:1.85rem;font-weight:800}.nav-registration-status{border:1px solid var(--border);background:#f1f5f9;border-radius:100px;align-items:center;gap:1.5rem;padding:.6rem 1.25rem;display:flex}.status-live{color:#22c55e;text-transform:uppercase;font-size:.75rem;font-weight:800}.status-stopped{color:#64748b;text-transform:uppercase;font-size:.75rem;font-weight:800}.nav-brand{align-items:center;gap:1rem;display:flex}.nav-logo{object-fit:contain;height:48px}.admin-chip{border:1px solid var(--border);background:#fff;border-radius:100px;align-items:center;gap:.5rem;padding:.4rem .9rem;font-size:.85rem;font-weight:700;display:flex}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;margin-bottom:2.5rem;display:grid}.stat-card{border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition);background:#fff;align-items:center;gap:1.25rem;padding:1.5rem;display:flex;box-shadow:0 4px 12px #00000005}.stat-card:hover{border-color:var(--primary-light);transform:translateY(-3px)}.stat-icon{border-radius:var(--radius-md);justify-content:center;align-items:center;width:54px;height:54px;font-size:1.25rem;display:flex}.stat-icon.purple{color:#3b82f6;background:#eff6ff}.stat-icon.cyan{color:var(--primary);background:#fef2f2}.stat-label{color:var(--text-secondary);text-transform:uppercase;margin-bottom:.2rem;font-size:.8rem;font-weight:700}.stat-value{color:var(--text-primary);font-size:2rem;font-weight:800}.table-container{border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);background:#fff;overflow:hidden}.table-header{border-bottom:1px solid var(--border);background:#f8fafc;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.25rem;padding:1.5rem 2rem;display:flex}.table-title{color:var(--text-primary);font-size:1.15rem;font-weight:800}.table-count{color:var(--text-secondary);font-size:.85rem;font-weight:600}.search-input-wrapper{position:relative}.search-input{width:300px;padding:.65rem 1rem .65rem 2.5rem!important}.search-icon{color:var(--text-muted);position:absolute;top:50%;left:14px;transform:translateY(-50%)}.action-buttons{flex-wrap:wrap;gap:.75rem;display:flex}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);border:1px solid #0000;align-items:center;gap:.5rem;padding:.6rem 1.1rem;font-size:.85rem;font-weight:700;display:inline-flex}.btn:hover{opacity:.9;transform:translateY(-2px);box-shadow:0 4px 12px #0000000d}.btn-export{background:var(--primary);color:#fff}.btn-refresh{border-color:var(--border);color:var(--primary);background:#fff}.btn-delete-all{color:#dc2626;background:#fef2f2;border-color:#fecaca}.btn-back{color:var(--text-primary);background:#f1f5f9}.btn-reminder{color:#3b82f6;background:#eff6ff;border-color:#dbeafe}.btn-bulk-mail{color:#16a34a;background:#f0fdf4;border-color:#dcfce7}.delete-btn{color:#ef4444;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);background:#fef2f2;border:1px solid #fee2e2;align-items:center;gap:.4rem;padding:.4rem .8rem;font-size:.8rem;font-weight:700;display:inline-flex}.delete-btn:hover{background:var(--danger);color:#fff;border-color:var(--danger);transform:translateY(-1px)}.table-scroll{-webkit-overflow-scrolling:touch;overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:900px}th{text-align:left;text-transform:uppercase;color:var(--text-secondary);background:#f1f5f9;padding:1.1rem 1.5rem;font-size:.75rem;font-weight:800}td{color:var(--text-secondary);border-bottom:1px solid #f1f5f9;padding:1rem 1.5rem;font-size:.93rem}tbody tr:hover{background:#fcfdfe}.student-name{color:var(--text-primary);font-weight:700}.student-email{color:var(--primary);font-weight:600}.phone-badge{background:#f1f5f9;border-radius:100px;padding:.25rem .75rem;font-size:.85rem;font-weight:600}.id-badge{color:var(--primary);background:#fef2f2;border-radius:4px;padding:.2rem .5rem;font-family:monospace;font-weight:700}.pagination-wrapper{border-top:1px solid var(--border);background:#fff;justify-content:space-between;align-items:center;padding:1.25rem 1.75rem;display:flex}.pagination-info{color:var(--text-secondary);font-size:.85rem;font-weight:600}.pagination-buttons{gap:.4rem;display:flex}.pagination-buttons button{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:6px;min-width:34px;height:34px;font-weight:700}.pagination-buttons button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.pagination-buttons button:hover:not(:disabled):not(.active){border-color:var(--primary);color:var(--primary)}.toggle-switch{cursor:pointer;vertical-align:middle;background-color:#cbd5e1;border-radius:100px;width:44px;height:22px;transition:all .3s cubic-bezier(.175,.885,.32,1.275);display:inline-block;position:relative}.toggle-switch.active{background-color:#10b981}.toggle-knob{background-color:#fff;border-radius:50%;width:16px;height:16px;transition:all .3s cubic-bezier(.175,.885,.32,1.275);position:absolute;top:3px;left:3px;box-shadow:0 1px 4px #0003}.toggle-switch.active .toggle-knob{transform:translate(22px)}.certificate-grid{align-items:flex-start;gap:2rem;display:flex!important}.certificate-form-column{flex-shrink:0;width:400px}.certificate-list-column{flex:1}@media (width<=1200px){.certificate-grid{flex-direction:column}.certificate-form-column{width:100%}}@media (width<=1024px){.admin-sidebar{width:100%;height:auto;top:var(--header-height);border-right:none;border-bottom:1px solid var(--border);position:sticky;left:0;box-shadow:0 4px 10px #0000000d}.dashboard-content{margin-top:0;margin-left:0;padding:1.5rem}.dashboard-nav{height:var(--header-height);z-index:1010;padding:0 1.25rem;position:fixed}.dashboard-layout{padding-top:var(--header-height);flex-direction:column}}@media (width<=768px){.table-header{flex-direction:column;align-items:stretch}.search-input{width:100%}.action-buttons{justify-content:flex-start}}.admin-sidebar{width:var(--sidebar-width);height:calc(100vh - var(--header-height));border-right:1px solid var(--border);top:var(--header-height);z-index:1000;background:#fff;flex-direction:column;display:flex;position:fixed;left:0;box-shadow:4px 0 15px #00000005}.sidebar-header{padding:1.5rem;display:none}.sidebar-nav-links{flex-direction:column;flex:1;gap:.75rem;padding:2rem 1rem;display:flex}.nav-link{color:var(--text-secondary);border-radius:var(--radius-md);transition:var(--transition);align-items:center;gap:1rem;padding:.85rem 1.25rem;font-size:.95rem;font-weight:700;text-decoration:none;display:flex}.nav-link:hover{color:var(--text-primary);background:#f1f5f9;transform:translate(4px)}.nav-link.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px var(--primary-glow)}.nav-icon{justify-content:center;align-items:center;width:24px;font-size:1.2rem;display:flex}.sidebar-footer{border-top:1px solid var(--border);background:#fcfdfe;padding:1.5rem}.admin-info{align-items:center;gap:1rem;display:flex}.admin-avatar{background:linear-gradient(135deg, var(--primary), var(--primary-dark));color:#fff;width:42px;height:42px;box-shadow:0 4px 10px var(--primary-glow);border-radius:12px;justify-content:center;align-items:center;font-size:1.2rem;font-weight:800;display:flex}.admin-name{color:var(--text-primary);margin:0;font-size:.95rem;font-weight:800}.admin-role{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:.75rem;font-weight:600}@media (width<=1024px){.admin-sidebar{border-right:none;border-bottom:1px solid var(--border);flex-direction:row;width:100%;height:auto;position:static}.sidebar-nav-links{flex-direction:row;padding:.75rem;overflow-x:auto}.sidebar-footer{display:none}}