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var(--border)}.csv-viewer{grid-template-columns:1fr;grid-template-rows:1fr 1fr}}@media(min-width:769px)and (max-width:1100px){.app-content{grid-template-columns:300px 160px 1fr}}@media(min-width:1101px)and (max-width:1400px){.app-content{grid-template-columns:320px 180px 1fr}}.auth-loading{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-dark) 0%,#2d4a6f 100%)}.auth-loading-content{text-align:center;color:#fff}.auth-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}.auth-login{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-dark) 0%,#2d4a6f 100%)}.auth-login-content{text-align:center;color:#fff;padding:48px;border-radius:16px;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #0003;max-width:400px;width:90%}.auth-login-content h1{font-size:2rem;margin:0 0 8px;font-weight:700}.auth-login-content>p{margin:0 0 32px;opacity:.9;font-size:1.1rem}.auth-error{background:#dc262633;border:1px solid rgba(220,38,38,.5);border-radius:8px;padding:12px 16px;margin-bottom:24px}.auth-error p{margin:0;color:#fecaca;font-size:.9rem}.auth-login-button{display:inline-flex;align-items:center;gap:12px;padding:14px 32px;font-size:1rem;font-weight:600;color:#1f1f1f;background:#fff;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 8px #00000026}.auth-login-button:hover{background:#f8f8f8;transform:translateY(-1px);box-shadow:0 4px 12px #0003}.auth-login-button:active{transform:translateY(0)}.auth-login-button svg{flex-shrink:0}.auth-domain-note{margin-top:24px;font-size:.85rem;opacity:.7}