/*
 * ============================================================================
 * Rewards Page Styles
 * ============================================================================
 */

/* Page Header */
.page-header {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
    margin-top: var(--header-height);
}

.page-header__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: var(--font-weight-extrabold);
    line-height: 1.15;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: -0.02em;
    text-align: center;
}

.page-header__subtitle {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
}

/* Rewards Section */
.rewards-section {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
    background: var(--color-bg-primary);
    min-height: 60vh;
}

/* Category Filter */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
}

.category-filter__label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
}

.category-filter__label i {
    color: var(--color-primary);
}

.category-filter__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.category-filter__btn {
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
}

.category-filter__btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(30, 144, 255, 0.1);
}

.category-filter__btn--active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.category-filter__btn--active:hover {
    background: var(--color-primary-dark);
}

/* Rewards Grid */
.rewards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    align-items: stretch;
}

/* Reward Card */
.reward-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.reward-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.reward-card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--color-bg-tertiary);
}

.reward-card__image-placeholder {
    height: 200px;
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.reward-card__image-placeholder i {
    font-size: 3rem;
}

.reward-card__content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.reward-card__category {
    display: inline-block;
    padding: 4px 10px;
    background: var(--color-primary);
    color: #ffffff;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
    width: fit-content;
}

.reward-card__title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.reward-card__description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.reward-card__footer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.reward-card__points {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
}

.reward-card__points i {
    font-size: 1rem;
    color: #ffc107;
    flex-shrink: 0;
}

.reward-card__share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    /* background: var(--color-bg-tertiary); */
    /* border: 1px solid var(--color-border); */
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
}

.reward-card__share-btn:hover {
    /* background: var(--color-primary); */
    /* border-color: var(--color-primary); */
    color: var(--color-primary);
    transform: translateY(-2px);
}

.reward-card__share-btn i {
    font-size: 0.875rem;
}

.reward-card__action {
    width: 100%;
    margin-top: var(--spacing-sm);
    padding: 10px 16px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

.reward-card__action:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.reward-card__action:disabled {
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Empty State & Loading */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--color-bg-card);
    border: 1px dashed var(--color-border);
    border-radius: var(--border-radius-lg);
}

.empty-state i {
    font-size: 3rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.empty-state p {
    color: var(--color-text-secondary);
}

.loading-skeleton {
    display: contents;
}

.skeleton-card {
    height: 350px;
    background: linear-gradient(90deg,
            var(--color-bg-card) 25%,
            var(--color-bg-tertiary) 50%,
            var(--color-bg-card) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--border-radius-lg);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.how-it-works .section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.step-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.step-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-8px);
}

.step-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
}

.step-card__icon i {
    font-size: 2rem;
    color: white;
}

.step-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.step-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
    border-top: 1px solid var(--color-border);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

/* ============================================================================
 * RESPONSIVE
 * ============================================================================ */

@media (max-width: 768px) {
    .page-header {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }

    .page-header__title {
        font-size: 1.75rem;
    }

    .page-header__subtitle {
        font-size: 1rem;
    }

    .category-filter {
        flex-direction: column;
        align-items: flex-start;
    }

    .category-filter__list {
        width: 100%;
    }

    .rewards-grid {
        grid-template-columns: 1fr;
    }

    .how-it-works .section-title {
        font-size: 1.75rem;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .step-card {
        padding: var(--spacing-lg);
    }

    .step-card__icon {
        width: 70px;
        height: 70px;
    }

    .step-card__icon i {
        font-size: 1.75rem;
    }

    .cta-content h2 {
        font-size: 1.5rem;
    }

    .cta-content p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .page-header__title {
        font-size: 1.5rem;
    }

    .reward-card__image {
        height: 180px;
    }

    .category-filter__btn {
        flex: 1 1 calc(50% - var(--spacing-xs));
        min-width: 0;
        text-align: center;
    }

    .how-it-works .section-title {
        font-size: 1.5rem;
    }

    .step-card__icon {
        width: 60px;
        height: 60px;
        margin-bottom: var(--spacing-md);
    }

    .step-card__icon i {
        font-size: 1.5rem;
    }

    .step-card h3 {
        font-size: 1.125rem;
    }

    .step-card p {
        font-size: 0.875rem;
    }
}

/* ============================================================================
 * SHARE MODAL
 * ============================================================================ */

.share-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.share-modal--active {
    display: flex;
}

.share-modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.share-modal__content {
    position: relative;
    z-index: 1;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.share-modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.share-modal__title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin: 0;
}

.share-modal__title i {
    color: var(--color-primary);
}

.share-modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.share-modal__close:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.share-modal__body {
    padding: var(--spacing-lg);
}

.share-modal__reward-name {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-lg) 0;
    text-align: center;
}

.share-modal__buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.share-modal__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    color: var(--color-text-primary);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.share-modal__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.share-modal__btn i {
    font-size: 1.125rem;
}

.share-modal__btn--facebook {
    background: #1877f2;
    border-color: #1877f2;
    color: white;
}

.share-modal__btn--facebook:hover {
    background: #145dbf;
    border-color: #145dbf;
}

.share-modal__btn--twitter {
    background: #1da1f2;
    border-color: #1da1f2;
    color: white;
}

.share-modal__btn--twitter:hover {
    background: #0c85d0;
    border-color: #0c85d0;
}

.share-modal__btn--whatsapp {
    background: #25d366;
    border-color: #25d366;
    color: white;
}

.share-modal__btn--whatsapp:hover {
    background: #1da851;
    border-color: #1da851;
}

.share-modal__btn--telegram {
    background: #0088cc;
    border-color: #0088cc;
    color: white;
}

.share-modal__btn--telegram:hover {
    background: #006699;
    border-color: #006699;
}

.share-modal__btn--copy {
    grid-column: 1 / -1;
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.share-modal__btn--copy:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

@media (max-width: 480px) {
    .share-modal__buttons {
        grid-template-columns: 1fr;
    }

    .share-modal__btn--copy {
        grid-column: 1;
    }

    .share-modal__header {
        padding: var(--spacing-md);
    }

    .share-modal__body {
        padding: var(--spacing-md);
    }

    .share-modal__title {
        font-size: 1.125rem;
    }
}