.sponsor-hero {
    padding: 140px 20px 50px;
    text-align: center;
    background: radial-gradient(circle at center, rgba(0,113,227,0.08) 0%, rgba(255,255,255,0) 70%);
    position: relative;
    overflow: hidden;
}

.sponsor-hero h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #1d1d1f 0%, #434344 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-top: 16px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.total-donations {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    padding: 20px 40px;
    border-radius: var(--radius-large);
    box-shadow: 0 10px 40px rgba(0,0,0,0.06);
    border: 1px solid rgba(255,255,255,0.6);
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.total-donations:hover {
    transform: translateY(-5px);
}

.counter-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 600;
}

.counter-value {
    font-size: 42px;
    font-weight: 800;
    color: var(--brand-green);
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.sponsor-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
}

.sponsor-list-title {
    margin-bottom: 10px;
}

/* Top Donors Podium */
.top-donors-section {
    margin-bottom: 60px;
}

.podium-container {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 20px;
    padding: 40px 0;
    min-height: 300px;
}

.podium-spot {
    background: white;
    border-radius: var(--radius-medium);
    padding: 20px;
    width: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    position: relative;
    transition: transform 0.3s ease;
    text-align: center;
}

.podium-spot:hover {
    transform: translateY(-10px);
    z-index: 2;
}

.podium-rank {
    width: 40px;
    height: 40px;
    background: #f0f0f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    margin-bottom: 12px;
    position: absolute;
    top: -20px;
    border: 4px solid var(--bg-color);
}

/* Gold */
.podium-spot.rank-1 {
    height: 260px;
    border: 2px solid rgba(255, 215, 0, 0.3);
    background: linear-gradient(180deg, rgba(255,215,0,0.05) 0%, rgba(255,255,255,1) 100%);
    order: 2;
}

.podium-spot.rank-1 .podium-rank {
    background: #FFD700;
    color: #fff;
    box-shadow: 0 4px 10px rgba(255, 215, 0, 0.4);
}

.podium-spot.rank-1 .donor-avatar {
    border-color: #FFD700;
    width: 80px;
    height: 80px;
}

/* Silver */
.podium-spot.rank-2 {
    height: 220px;
    border: 2px solid rgba(192, 192, 192, 0.3);
    order: 1;
}

.podium-spot.rank-2 .podium-rank {
    background: #C0C0C0;
    color: #fff;
}

/* Bronze */
.podium-spot.rank-3 {
    height: 200px;
    border: 2px solid rgba(205, 127, 50, 0.3);
    order: 3;
}

.podium-spot.rank-3 .podium-rank {
    background: #CD7F32;
    color: #fff;
}

.donor-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 3px solid transparent;
    margin-bottom: 12px;
    background-color: #f0f0f0;
    object-fit: cover;
}

.podium-name {
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 4px;
    word-break: break-all;
}

.podium-total {
    color: var(--brand-green);
    font-weight: 600;
    font-size: 16px;
}

/* Controls */
.controls-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.controls-header {
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

/* Mobile adjustment for header */
@media (max-width: 600px) {
    .controls-header {
        flex-direction: column;
    }
}

.cta-button {
    height: 48px;
    padding: 0 24px;
    background-color: var(--text-primary);
    color: white;
    border-radius: 99px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    cursor: pointer;
    border: 1px solid transparent;
    white-space: nowrap;
    box-sizing: border-box;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.cta-button.outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(0,0,0,0.1);
}

.cta-button.outline:hover {
    border-color: var(--text-primary);
    background-color: white;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    opacity: 1;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    margin: auto;
    padding: 40px;
    border-radius: 24px;
    width: 90%;
    max-width: 400px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
}

.modal.show .modal-content {
    transform: scale(1);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #aaa;
    font-size: 24px;
    cursor: pointer;
    width: 32px;
    height: 32px;
    background: #f5f5f7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.close-modal:hover {
    color: #000;
    background: #e5e5e7;
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-gift-icon {
    width: 50px;
    height: 50px;
    background: rgba(52, 199, 89, 0.1);
    border-radius: 50%;
    color: var(--brand-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 20px;
}

.modal-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 30px;
    line-height: 1.5;
}

.qr-placeholder {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 16px;
    display: inline-block;
    margin-bottom: 20px;
}

.qr-img {
    width: 180px;
    height: 180px;
    display: block;
}

.desktop-qr-hint {
    font-size: 13px;
    color: #999;
}

.alipay-btn {
    background: #1677FF;
    color: white;
    display: inline-block;
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    margin-top: 10px;
}

#mobile-btn-view {
    display: none;
}

.mobile-pay-hint {
    font-size: 12px;
    color: #999;
    margin-top: 16px;
}

.search-box {
    position: relative;
    flex-grow: 0;
    width: 100%;
    max-width: 320px;
}

.search-box input {
    width: 100%;
    height: 48px;
    padding: 0 20px 0 44px;
    border-radius: 99px;
    border: 1px solid rgba(0,0,0,0.1);
    background: white;
    font-size: 15px;
    outline: none;
    transition: all 0.2s;
}

.search-box input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0,113,227,0.1);
}

.search-box i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.filter-tag {
    padding: 8px 16px;
    border-radius: 99px;
    border: none;
    background: white;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.filter-tag:hover {
    transform: translateY(-1px);
    background: #fafafa;
}

.filter-tag.active {
    background: var(--text-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.donation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.no-results-message {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
}

.sponsor-load-error {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    grid-column: 1 / -1;
}

.donation-card-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.donation-date-icon {
    margin-right: 4px;
}

.is-hidden {
    display: none;
}

.donation-card {
    background: white;
    padding: 24px;
    border-radius: var(--radius-medium);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.03);
    animation: fadeInUp 0.5s ease backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.donation-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border-color: transparent;
}

.donation-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.donor-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mini-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #f0f0f0;
}

.donor-name {
    font-weight: 700;
    font-size: 16px;
    line-height: 1.2;
}

.donation-amount {
    color: var(--brand-green);
    font-weight: 800;
    font-size: 18px;
    background: rgba(52, 199, 89, 0.1);
    padding: 4px 10px;
    border-radius: 8px;
}

.donation-purpose {
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-color);
    padding: 6px 12px;
    border-radius: 6px;
    display: inline-block;
    margin-bottom: 12px;
    align-self: flex-start;
}

.donation-date {
    font-size: 12px;
    color: #999;
    text-align: right;
    margin-top: auto;
    border-top: 1px solid rgba(0,0,0,0.05);
    padding-top: 12px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .sponsor-hero h1 {
        font-size: 32px;
    }

    .counter-value {
        font-size: 32px;
    }

    .podium-container {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .podium-spot {
        width: 100%;
        max-width: 300px;
        order: initial !important;
        height: auto !important;
    }

    .podium-rank {
        position: relative;
        top: 0;
        margin-top: -30px;
    }
}