@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800&display=swap";
:root{--color-primary-50:#eef2ff;--color-primary-100:#e0e7ff;--color-primary-200:#c7d2fe;--color-primary-300:#a5b4fc;--color-primary-400:#818cf8;--color-primary-500:#6366f1;--color-primary-600:#4f46e5;--color-primary-700:#4338ca;--color-primary-800:#3730a3;--color-primary-900:#312e81;--color-accent-400:#a78bfa;--color-accent-500:#8b5cf6;--color-accent-600:#7c3aed;--color-success-50:#f0fdf4;--color-success-100:#dcfce7;--color-success-500:#22c55e;--color-success-600:#16a34a;--color-success-700:#15803d;--color-warning-50:#fffbeb;--color-warning-500:#f59e0b;--color-warning-600:#d97706;--color-danger-50:#fef2f2;--color-danger-500:#ef4444;--color-danger-600:#dc2626;--color-info-50:#eff6ff;--color-info-500:#3b82f6;--color-info-600:#2563eb;--color-gray-50:#f8fafc;--color-gray-100:#f1f5f9;--color-gray-200:#e2e8f0;--color-gray-300:#cbd5e1;--color-gray-400:#94a3b8;--color-gray-500:#64748b;--color-gray-600:#475569;--color-gray-700:#334155;--color-gray-800:#1e293b;--color-gray-900:#0f172a;--color-gray-950:#020617;--color-bg:#f8fafc;--color-bg-subtle:#f1f5f9;--color-surface:#fff;--color-surface-2:#f1f5f9;--color-surface-3:#e2e8f0;--color-border:#e2e8f0;--color-border-strong:#cbd5e1;--color-border-focus:#6366f1;--color-text:#0f172a;--color-text-secondary:#334155;--color-text-muted:#64748b;--color-text-placeholder:#94a3b8;--color-primary:#4f46e5;--color-primary-hover:#4338ca;--color-primary-light:#4f46e5;--color-success:#16a34a;--color-warning:#d97706;--color-danger:#dc2626;--color-info:#2563eb;--surface-0:#f8fafc;--surface-1:#fff;--surface-2:#f1f5f9;--surface-3:#e2e8f0;--surface-4:#cbd5e1;--gradient-primary:linear-gradient(135deg,#4f46e5 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var(--transition-base);white-space:nowrap;-webkit-user-select:none;user-select:none;border:none;outline:none;padding:.625rem 1.25rem;font-size:.9375rem;font-weight:600;text-decoration:none;display:inline-flex}.btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 2px 8px #4f46e540}.btn-primary:hover{background:var(--color-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 4px 16px #4f46e559}.btn-primary:active{box-shadow:none;transform:translateY(0)}.btn-secondary{color:var(--color-primary);border:1.5px solid var(--color-primary);background:#fff}.btn-secondary:hover{background:var(--color-primary-50);border-color:var(--color-primary-hover);color:var(--color-primary-hover);transform:translateY(-1px)}.btn-ghost{color:var(--color-text-secondary);border:1.5px solid var(--color-border-strong);background:0 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var(--color-border-strong);border-radius:var(--radius-md);width:100%;font-size:.9375rem;font-family:var(--font-sans);color:var(--color-text);transition:all var(--transition-fast);outline:none;padding:.75rem 1rem}.form-input::placeholder,.form-textarea::placeholder{color:var(--color-text-placeholder)}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f11f}.form-input.error,.form-select.error,.form-textarea.error{border-color:var(--color-danger);box-shadow:0 0 0 3px #ef44441a}.form-error{color:var(--color-danger);font-size:.8125rem}.form-select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-position:right 1rem center;background-repeat:no-repeat;padding-right:2.5rem}.form-textarea{resize:vertical;min-height:120px}.divider{background:var(--color-border);height:1px;margin-block:var(--spacing-xl)}.skeleton{background:linear-gradient(90deg,var(--color-gray-200)0%,var(--color-gray-100)50%,var(--color-gray-200)100%);border-radius:var(--radius-md);background-size:200% 100%;animation:1.5s ease-in-out infinite skeleton-shimmer}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes fade-up{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes scale-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes gradient-shift{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.animate-fade-in{animation:.4s ease-out fade-in}.animate-fade-up{animation:.5s ease-out fade-up}.animate-scale-in{animation:.3s ease-out scale-in}.animate-float{animation:3s ease-in-out infinite float}.animate-spin{animation:1s linear infinite 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tr:hover{background:var(--color-gray-50)}.avatar{border-radius:var(--radius-full);object-fit:cover;flex-shrink:0}.avatar-sm{width:32px;height:32px}.avatar-md{width:40px;height:40px}.avatar-lg{width:56px;height:56px}.avatar-xl{width:80px;height:80px}.avatar-placeholder{border-radius:var(--radius-full);background:var(--gradient-primary);color:#fff;font-weight:700;font-family:var(--font-display);flex-shrink:0;justify-content:center;align-items:center;display:flex}.progress-bar{background:var(--color-gray-200);border-radius:var(--radius-full);width:100%;height:6px;overflow:hidden}.progress-fill{background:var(--color-primary);border-radius:var(--radius-full);height:100%;transition:width .6s}.overlay{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:var(--z-overlay);padding:var(--spacing-lg);background:#0f172a66;justify-content:center;align-items:center;animation:.2s ease-out fade-in;display:flex;position:fixed;inset:0}.modal{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-2xl);padding:var(--spacing-2xl);width:100%;max-width:540px;max-height:90vh;box-shadow:var(--shadow-xl);animation:.25s ease-out scale-in;overflow-y:auto}.course-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);transition:all var(--transition-base);overflow:hidden}.course-card:hover{border-color:var(--color-primary-300);box-shadow:var(--shadow-lg);transform:translateY(-4px)}.course-card-image{aspect-ratio:16/9;object-fit:cover;background:var(--color-gray-100);width:100%}.course-card-body{padding:var(--spacing-lg)}.course-card-title{color:var(--color-text);margin-bottom:var(--spacing-sm);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:1.0625rem;font-weight:700;line-height:1.4;display:-webkit-box;overflow:hidden}.course-card-meta{margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid 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