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.deck-card-action{background-color:#fff!important;color:var(--color-text-primary)!important;border:1px solid var(--color-border)!important;height:40px!important;box-shadow:var(--shadow-sm)}.user-hub-container .deck-card-action:hover{background-color:var(--color-bg-secondary)!important;border-color:var(--color-primary)!important;color:var(--color-primary)!important}@media (max-width: 768px){.decks-grid{grid-template-columns:1fr;gap:var(--spacing-md)}.user-hub-header h1{font-size:var(--font-size-3xl)}}.login-page{height:calc(100vh - var(--header-height) - var(--banner-height));max-height:calc(100vh - var(--header-height) - var(--banner-height));display:flex;align-items:center;justify-content:center;padding:var(--spacing-2xl) var(--spacing-md);background:none;overflow:hidden;box-sizing:border-box}.login-container{width:100%;max-width:440px;max-height:100%;background:none;border-radius:var(--radius-xl);padding:var(--spacing-3xl);box-shadow:none;overflow-y:auto;overflow-x:hidden;box-sizing:border-box;scrollbar-width:none;-ms-overflow-style:none}.login-container::-webkit-scrollbar{display:none}.login-header{text-align:center;margin-bottom:var(--spacing-2xl)}.login-title{font-size:var(--font-size-4xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0 0 var(--spacing-sm)}.login-subtitle{font-size:var(--font-size-base);color:var(--color-text-secondary);margin:0}.login-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-input{width:100%;padding:var(--spacing-md) var(--spacing-md) var(--spacing-md) 48px;border:1px solid var(--color-border);border-radius:var(--radius-lg);font-size:var(--font-size-base);font-family:var(--font-family-primary);color:var(--color-text-primary);background:var(--color-bg-white);transition:all var(--transition-base)}.login-submit-button{width:100%;padding:var(--spacing-md) var(--spacing-lg);background:var(--color-primary);color:var(--color-text-white);border:none;border-radius:var(--radius-md);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);font-family:var(--font-family-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);transition:all var(--transition-base);margin-top:var(--spacing-sm)}.login-submit-button:hover:not(:disabled){background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-primary)}.login-submit-button:active:not(:disabled){transform:translateY(0)}.login-submit-button:disabled{opacity:var(--opacity-disabled);cursor:not-allowed}.login-submit-button .material-icons{font-size:20px}.login-footer{text-align:center;margin-top:var(--spacing-md)}.signup-link-text{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin:0}.signup-link{color:var(--color-primary);font-weight:var(--font-weight-semibold);text-decoration:none;transition:color var(--transition-base)}.signup-link:hover{color:var(--color-primary-hover);text-decoration:underline}@media (max-width: 768px){.login-container{padding:var(--spacing-2xl)}.login-title{font-size:var(--font-size-3xl)}}.signup-page{height:calc(100vh - var(--header-height) - var(--banner-height));max-height:calc(100vh - var(--header-height) - var(--banner-height));display:flex;align-items:center;justify-content:center;padding:var(--spacing-md) var(--spacing-md);background:none;overflow:hidden;box-sizing:border-box}.signup-container{width:100%;max-width:440px;max-height:100%;background:none;border-radius:var(--radius-xl);padding:35px;box-shadow:none;overflow-y:auto;overflow-x:hidden;box-sizing:border-box;scrollbar-width:none;-ms-overflow-style:none}.auth-back-button{display:inline-flex;align-items:center;gap:var(--spacing-xs);margin-bottom:var(--spacing-lg);padding:6px 10px;border-radius:var(--radius-lg);border:1px solid var(--color-border);background:#ffffffb3;color:var(--color-text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-base)}.auth-back-button .material-icons{font-size:18px}.auth-back-button:hover{border-color:var(--color-primary);color:var(--color-primary);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.signup-container::-webkit-scrollbar{display:none}.signup-header{text-align:center;margin-bottom:var(--spacing-2xl)}.signup-title{font-size:var(--font-size-4xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0 0 var(--spacing-sm)}.signup-subtitle{font-size:var(--font-size-base);color:var(--color-text-secondary);margin:0}.signup-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.error-banner{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:#fee2e2;border:1px solid var(--color-error);border-radius:var(--radius-md);color:var(--color-error);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.error-banner .material-icons{font-size:20px}.form-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.form-label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary)}.input-wrapper{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:var(--spacing-md);color:var(--color-text-tertiary);font-size:20px;pointer-events:none}.form-input{width:100%;padding:var(--spacing-md) var(--spacing-md) var(--spacing-md) 48px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-base);font-family:var(--font-family-primary);color:var(--color-text-primary);background:var(--color-bg-white);transition:all var(--transition-base)}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #004a801a}.form-input.error{border-color:var(--color-error)}.form-input.error:focus{box-shadow:0 0 0 3px #dc26261a}.form-input:disabled{background:var(--color-bg-gray);cursor:not-allowed;opacity:var(--opacity-disabled)}.password-toggle{position:absolute;right:var(--spacing-md);background:none;border:none;color:var(--color-text-tertiary);cursor:pointer;padding:var(--spacing-xs);display:flex;align-items:center;justify-content:center;transition:color var(--transition-base)}.password-toggle:hover{color:var(--color-text-primary)}.password-toggle .material-icons{font-size:20px}.error-message{font-size:var(--font-size-xs);color:var(--color-error);margin:0}.signup-submit-button{width:100%;padding:var(--spacing-md) var(--spacing-lg);background:var(--color-primary);color:var(--color-text-white);border:none;border-radius:var(--radius-md);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);font-family:var(--font-family-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);transition:all var(--transition-base);margin-top:var(--spacing-sm)}.signup-submit-button:hover:not(:disabled){background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-primary)}.signup-submit-button:active:not(:disabled){transform:translateY(0)}.signup-submit-button:disabled{opacity:var(--opacity-disabled);cursor:not-allowed}.signup-submit-button .material-icons{font-size:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.signup-footer{text-align:center;margin-top:var(--spacing-md)}.login-link-text{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin:0}.login-link{color:var(--color-primary);font-weight:var(--font-weight-semibold);text-decoration:none;transition:color var(--transition-base)}.login-link:hover{color:var(--color-primary-hover);text-decoration:underline}@media (max-width: 768px){.signup-container{padding:var(--spacing-2xl)}.signup-title{font-size:var(--font-size-3xl)}}.deck-detail-container{max-width:1200px;margin:0 auto;padding:var(--spacing-xl)}.deck-detail-header{margin-bottom:var(--spacing-xl)}.back-button{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:var(--font-size-sm);cursor:pointer;transition:all var(--transition-base);margin-bottom:var(--spacing-lg)}.back-button:hover{background:var(--color-bg-secondary);border-color:var(--color-primary)}.back-button .material-icons{font-size:20px}.deck-detail-title-section{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-xs);flex-wrap:wrap}.deck-detail-title{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0}.deck-detail-status{display:flex;align-items:center;gap:var(--spacing-xs);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.deck-detail-status .status-icon{font-size:20px}.deck-detail-subtitle{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin:0}.deck-detail-subtitle .processing-info{color:var(--color-text-tertiary);font-size:var(--font-size-sm)}.processing-message{display:flex;align-items:center;gap:var(--spacing-xs);color:var(--color-warning)}.processing-message .material-icons{font-size:20px}.spinning{animation:spin 1s linear infinite}.deck-detail-loading,.deck-detail-error,.deck-detail-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-3xl);text-align:center;min-height:400px}.deck-detail-loading .loading-spinner{width:48px;height:48px;border:4px solid var(--color-border-light);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:var(--spacing-md)}@keyframes spin{to{transform:rotate(360deg)}}.deck-detail-error{color:var(--color-error)}.deck-detail-error .material-icons{font-size:48px;margin-bottom:var(--spacing-md)}.deck-detail-error p{font-size:var(--font-size-lg);margin-bottom:var(--spacing-lg)}.deck-detail-empty{color:var(--color-text-secondary)}.deck-detail-empty .material-icons{font-size:64px;margin-bottom:var(--spacing-md);opacity:.5}.deck-detail-empty p{font-size:var(--font-size-lg);margin-bottom:var(--spacing-xs)}.deck-detail-empty-subtitle{font-size:var(--font-size-sm);color:var(--color-text-tertiary)}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--spacing-lg);margin-top:var(--spacing-lg)}.card-item{perspective:1000px;height:400px;cursor:pointer}.card-inner{position:relative;width:100%;height:100%;transition:transform .6s;transform-style:preserve-3d}.card-item.flipped .card-inner{transform:rotateY(180deg)}.card-front,.card-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:15px;display:flex;flex-direction:column;box-shadow:var(--shadow-md)}.card-back{transform:rotateY(180deg)}.card-number{font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--spacing-md)}.card-question,.card-answer{flex:1;flex-direction:column;gap:var(--spacing-sm)}.card-label{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-primary);text-transform:uppercase;letter-spacing:.5px}.card-question p,.card-answer p{font-size:var(--font-size-lg);color:var(--color-text-primary);line-height:1.2;margin:0;flex:1;display:flex;align-items:center}.card-answer{margin-top:var(--spacing-lg);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border-light)}.card-flip-hint{display:flex;align-items:center;justify-content:center;gap:var(--spacing-xs);margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid var(--color-border-light);font-size:var(--font-size-xs);color:var(--color-text-tertiary)}.card-flip-hint .material-icons{font-size:16px}.retry-button{padding:var(--spacing-sm) var(--spacing-lg);background:var(--color-primary);color:var(--color-text-white);border:none;border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background var(--transition-base)}.retry-button:hover{background:var(--color-primary-hover)}@media (max-width: 768px){.deck-detail-container{padding:var(--spacing-md)}.cards-grid{grid-template-columns:1fr;gap:var(--spacing-md)}.card-item{height:350px}}.legal-page{min-height:calc(100vh - var(--header-height) - var(--banner-height));padding:var(--spacing-2xl) var(--spacing-md);display:flex;align-items:flex-start;justify-content:center;background:none;box-sizing:border-box}.legal-container{width:100%;max-width:800px;background:none}.legal-back-button{display:inline-flex;align-items:center;gap:var(--spacing-xs);margin-bottom:var(--spacing-lg);padding:6px 10px;border-radius:var(--radius-lg);border:1px solid var(--color-border);background:#ffffffb3;color:var(--color-text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-base)}.legal-back-button .material-icons{font-size:18px}.legal-back-button:hover{border-color:var(--color-primary);color:var(--color-primary);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.legal-title{font-size:var(--font-size-4xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0 0 var(--spacing-md)}.legal-updated{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin:0 0 var(--spacing-lg)}.legal-body{font-size:var(--font-size-base);color:var(--color-text-primary);line-height:1.7;margin:0 0 var(--spacing-lg)}.payment-success-container{display:flex;justify-content:center;align-items:center;min-height:80vh;padding:2rem;background-color:var(--color-background)}.payment-success-card{background:#fff;padding:3rem;border-radius:16px;box-shadow:0 4px 20px #00000014;text-align:center;max-width:500px;width:100%;animation:slideUp .5s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.success-icon-container{margin-bottom:1.5rem}.success-icon{font-size:64px;color:var(--color-success)}h1{color:var(--color-text-primary);font-size:2rem;margin-bottom:1rem;font-weight:700}.success-message{color:var(--color-text-secondary);font-size:1.1rem;margin-bottom:.5rem;line-height:1.5}.redirect-message{color:var(--color-text-secondary);font-size:1rem;margin-bottom:2rem}.countdown-text{color:var(--color-text-tertiary);font-size:.9rem;margin-bottom:1.5rem}.hub-button{background-color:var(--color-primary);color:#fff;border:none;padding:12px 32px;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.hub-button:hover{background-color:var(--color-primary-dark);transform:translateY(-1px)}.payment-page-container{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - var(--header-height) - var(--banner-height));padding:var(--spacing-xl);background-color:transparent}.payment-card{background:var(--color-bg-white);border-radius:var(--radius-xl);padding:var(--spacing-2xl);text-align:center;max-width:500px;width:100%;box-shadow:var(--shadow-lg);border:1px solid var(--color-border)}.payment-card.success .icon-container .material-icons{color:var(--color-success);font-size:64px;margin-bottom:var(--spacing-md)}.payment-card.cancel .icon-container .material-icons{color:var(--color-error);font-size:64px;margin-bottom:var(--spacing-md)}.payment-card h1{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-md);color:var(--color-text-primary)}.payment-card p{color:var(--color-text-secondary);margin-bottom:var(--spacing-lg);line-height:1.6}.redirect-note{font-size:var(--font-size-sm);font-style:italic;color:var(--color-text-tertiary)}.action-button{background:var(--color-primary);color:#fff;border:none;padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--radius-full);font-weight:var(--font-weight-bold);cursor:pointer;transition:all var(--transition-base);font-size:var(--font-size-md);box-shadow:var(--shadow-md)}.action-button:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.action-button:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.App{min-height:100vh;width:100%;max-width:100vw;overflow-x:hidden;background:linear-gradient(135deg,#f8fafc,#e0e7ff)}