.language-selector.svelte-19ftpm1{position:relative}.lang-button.svelte-19ftpm1{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#fff;border:1px solid #ddd;border-radius:4px;color:#2c3e50;cursor:pointer;font-size:.9rem;transition:all .2s}.lang-button.svelte-19ftpm1:hover{background:#f8f9fa;border-color:#3498db}.lang-icon.svelte-19ftpm1{font-size:1.2rem}.lang-text.svelte-19ftpm1{font-weight:500}.arrow.svelte-19ftpm1{font-size:.7rem;margin-left:.25rem}.lang-dropdown.svelte-19ftpm1{position:absolute;top:calc(100% + .5rem);right:0;min-width:150px;background:#fff;border-radius:4px;box-shadow:0 4px 12px #00000026;z-index:1000;overflow:hidden}.lang-option.svelte-19ftpm1{display:block;width:100%;padding:.75rem 1rem;background:#fff;border:none;text-align:left;cursor:pointer;color:#2c3e50;font-size:.9rem;transition:background .2s}.lang-option.svelte-19ftpm1:hover{background:#f8f9fa}.lang-option.active.svelte-19ftpm1{background:#e3f2fd;color:#3498db;font-weight:600}@media(max-width:480px){.lang-button.svelte-19ftpm1{padding:.45rem .65rem;gap:.25rem}.lang-text.svelte-19ftpm1{display:none}.lang-icon.svelte-19ftpm1{font-size:1.1rem}.arrow.svelte-19ftpm1{margin-left:0}.lang-dropdown.svelte-19ftpm1{min-width:140px}}html{-webkit-text-size-adjust:100%}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:#f5f5f5;overflow-x:hidden}*{box-sizing:border-box}.app.svelte-12qhfyh{display:flex;min-height:100vh;min-height:100dvh;overflow:hidden}.sidebar.svelte-12qhfyh{width:250px;flex-shrink:0;background:#2c3e50;color:#fff;display:flex;flex-direction:column;z-index:300}.logo.svelte-12qhfyh{padding:2rem 1.5rem;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between;gap:.5rem}.logo.svelte-12qhfyh h1:where(.svelte-12qhfyh){margin:0;font-size:1.5rem;font-weight:600}.sidebar-close.svelte-12qhfyh{display:none;background:none;border:none;color:#fff;font-size:2rem;line-height:1;cursor:pointer;padding:0;width:2rem;height:2rem}.sidebar-backdrop.svelte-12qhfyh{display:none}nav.svelte-12qhfyh{flex:1;padding:1rem 0;overflow-y:auto}nav.svelte-12qhfyh ul:where(.svelte-12qhfyh){list-style:none;margin:0;padding:0}nav.svelte-12qhfyh li:where(.svelte-12qhfyh){margin:0}nav.svelte-12qhfyh a:where(.svelte-12qhfyh){display:block;padding:1rem 1.5rem;color:#fffc;text-decoration:none;transition:all .2s;border-left:3px solid transparent}nav.svelte-12qhfyh a:where(.svelte-12qhfyh):hover{background:#ffffff1a;color:#fff}nav.svelte-12qhfyh a.active:where(.svelte-12qhfyh){background:#ffffff26;color:#fff;border-left-color:#3498db}.main-container.svelte-12qhfyh{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.top-bar.svelte-12qhfyh{background:#fff;border-bottom:1px solid #e0e0e0;box-shadow:0 2px 4px #0000000d;z-index:100;flex-shrink:0}.top-bar-content.svelte-12qhfyh{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1.5rem;max-width:100%;gap:.75rem}.menu-toggle.svelte-12qhfyh{display:none;align-items:center;justify-content:center;background:none;border:1px solid #ddd;border-radius:6px;padding:.5rem;cursor:pointer;color:#2c3e50;flex-shrink:0}.menu-toggle.svelte-12qhfyh:hover{background:#f8f9fa;border-color:#3498db}.hamburger.svelte-12qhfyh{display:flex;flex-direction:column;justify-content:space-between;width:1.25rem;height:.9rem}.hamburger.svelte-12qhfyh span:where(.svelte-12qhfyh){display:block;height:2px;width:100%;background:#2c3e50;border-radius:1px}.top-bar-right.svelte-12qhfyh{display:flex;align-items:center;justify-content:flex-end;gap:.75rem;flex:1;min-width:0;flex-wrap:wrap}.user-info.svelte-12qhfyh{display:flex;align-items:center;gap:.75rem;min-width:0;flex-wrap:wrap}.user-name.svelte-12qhfyh{color:#2c3e50;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:12rem}.user-badge.svelte-12qhfyh{padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600;text-transform:uppercase;white-space:nowrap}.user-badge.admin.svelte-12qhfyh{background:#e74c3c;color:#fff}.user-badge.instructor.svelte-12qhfyh{background:#3498db;color:#fff}.btn-logout.svelte-12qhfyh{padding:.5rem 1rem;background:#95a5a6;color:#fff;text-decoration:none;border-radius:4px;font-size:.875rem;font-weight:500;transition:background .2s;white-space:nowrap}.btn-logout.svelte-12qhfyh:hover{background:#7f8c8d}.auth-buttons.svelte-12qhfyh{display:flex;gap:.5rem;flex-wrap:wrap}.btn-login.svelte-12qhfyh,.btn-register.svelte-12qhfyh{padding:.5rem 1rem;text-decoration:none;border-radius:4px;font-size:.875rem;font-weight:500;transition:all .2s;white-space:nowrap}.btn-login.svelte-12qhfyh{color:#3498db;border:1px solid #3498db}.btn-login.svelte-12qhfyh:hover,.btn-register.svelte-12qhfyh{background:#3498db;color:#fff}.btn-register.svelte-12qhfyh:hover{background:#2980b9}.content.svelte-12qhfyh{flex:1;overflow-y:auto;overflow-x:hidden;padding:2rem;-webkit-overflow-scrolling:touch}@media(max-width:900px){.menu-toggle.svelte-12qhfyh{display:flex}.sidebar.svelte-12qhfyh{position:fixed;top:0;left:0;bottom:0;width:min(280px,85vw);transform:translate(-100%);transition:transform .25s ease;box-shadow:none}.sidebar.open.svelte-12qhfyh{transform:translate(0);box-shadow:4px 0 24px #00000040}.sidebar-close.svelte-12qhfyh{display:block}.sidebar-backdrop.svelte-12qhfyh{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;border:none;padding:0;cursor:pointer;z-index:250}.logo.svelte-12qhfyh{padding:1.25rem 1rem}.logo.svelte-12qhfyh h1:where(.svelte-12qhfyh){font-size:1.25rem}.top-bar-content.svelte-12qhfyh{padding:.65rem 1rem}.content.svelte-12qhfyh{padding:1.25rem 1rem}.user-name.svelte-12qhfyh{max-width:8rem}}@media(max-width:480px){.user-name.svelte-12qhfyh,.user-badge.svelte-12qhfyh{display:none}.btn-logout.svelte-12qhfyh,.btn-login.svelte-12qhfyh,.btn-register.svelte-12qhfyh{padding:.45rem .75rem;font-size:.8rem}.auth-buttons.svelte-12qhfyh .btn-register:where(.svelte-12qhfyh){display:none}.top-bar-content.svelte-12qhfyh{padding:.5rem .75rem;gap:.5rem}.top-bar-right.svelte-12qhfyh{gap:.5rem}.content.svelte-12qhfyh{padding:1rem .75rem}}