.login-container{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;padding:24px;background:linear-gradient(-45deg,#ff7b00,#ff007b,#7b00ff,#00d4ff);background-size:400% 400%;animation:gradientBG 12s ease infinite}@keyframes gradientBG{0%{background-position:0 50%}50%{background-position:100% 50%}to{background-position:0 50%}}.login-card{width:100%;max-width:420px;margin:auto;padding:40px;border-radius:var(--radius-lg);background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);box-shadow:var(--shadow-lg);text-align:center;animation:slideUpFade .6s cubic-bezier(.16,1,.3,1)}@keyframes slideUpFade{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-box{padding:1em}.login-header{margin-bottom:32px}.login-logo{max-width:240px;height:auto;margin:0 auto 16px;display:block}.login-subtitle{color:white;font-size:1rem;background-color:rgba(173,216,230,.3);padding:6px 12px;border-radius:8px;display:inline-block}.login-form{gap:20px}.input-group,.login-form{display:flex;flex-direction:column}.input-group{gap:8px;text-align:left}.input-label{font-size:.875rem;font-weight:500;color:var(--text-main)}.input-field{padding:14px 16px;border-radius:var(--radius-md);border:1px solid var(--status-neutral-border);background:var(--bg-secondary);font-size:1rem;font-family:inherit;transition:all .2s;color:var(--text-main)}.input-field:focus{outline:none;border-color:var(--status-assigned);box-shadow:0 0 0 4px var(--status-assigned-bg)}.input-field::placeholder{color:var(--text-muted)}.login-button{margin-top:8px;padding:16px;border-radius:var(--radius-md);background:var(--primary);color:white;font-weight:600;font-size:1rem;transition:all .2s;box-shadow:var(--shadow-sm);cursor:pointer}.login-button:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.login-button:active{transform:translateY(1px)}.forgot-password{display:inline-block;margin-top:24px;font-size:.875rem;font-weight:500;color:var(--status-assigned);transition:color .2s;text-decoration:none}.forgot-password:hover{color:var(--primary);text-decoration:underline}.help-video-btn{position:fixed;bottom:24px;right:24px;background:var(--glass-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);color:white;padding:12px 20px;border-radius:30px;display:flex;align-items:center;gap:8px;font-weight:600;cursor:pointer;box-shadow:0 4px 15px rgba(0,0,0,.2);transition:all .3s ease;z-index:50;animation:slideUpFade .8s cubic-bezier(.16,1,.3,1)}.help-video-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.3);background:rgba(255,255,255,.2)}.video-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.8);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9999;display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .3s ease-out}.video-modal-content{background:#000;width:100%;max-width:900px;border-radius:12px;overflow:hidden;position:relative;box-shadow:0 20px 50px rgba(0,0,0,.5);display:flex;flex-direction:column}.video-close-btn{position:absolute;top:12px;right:12px;background:rgba(255,255,255,.2);color:white;border:none;width:36px;height:36px;border-radius:50%;font-size:18px;cursor:pointer;z-index:10;display:flex;align-items:center;justify-content:center;transition:background .2s}.video-close-btn:hover{background:rgba(255,255,255,.4)}.video-wrapper{width:100%;aspect-ratio:16/9;background:#000;position:relative}.explanation-video{width:100%;height:100%;object-fit:contain}.video-hint{color:#a1a1aa;text-align:center;padding:12px;font-size:.85rem;background:#18181b;margin:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media (max-height:650px),(max-width:480px){.login-container{padding:16px}.login-card{padding:24px 20px}.login-header{margin-bottom:20px}.login-logo{max-width:160px;margin-bottom:12px}.login-form{gap:16px}.input-group{gap:4px}.input-field{padding:12px 14px}.login-button{padding:14px}}