/* Monster Hunt Store - CSS Styles */
/* Theme aligned with Operator Dashboard */

:root {
    /* Background colors */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;

    /* Border and text colors */
    --border-color: #30363d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;

    /* Accent colors */
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --accent-orange: #d29922;
    --accent-purple: #a371f7;
    --accent-gold: #FFD700;

    /* Primary brand color */
    --primary-color: #5865F2;
    --primary-hover: #4752C4;

    /* Shadows */
    --shadow: 0 8px 24px rgba(1, 4, 9, 0.5);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Header */
.store-header {
    background: var(--bg-secondary);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo {
    height: 40px;
    width: 40px;
}

.store-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.store-title-main {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.store-badge {
    background: var(--accent-purple);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin-left: 0.5rem;
    text-transform: uppercase;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

.header-nav a:hover {
    color: var(--text-primary);
}

.header-nav a.active {
    color: var(--accent-purple);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.gem-balance {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 215, 0, 0.15);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.gem-icon {
    font-size: 1.25rem;
}

.gem-amount {
    font-weight: 700;
    color: var(--accent-gold);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.logout-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 0.875rem;
}

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

/* Main Content */
.store-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.page-header p {
    color: var(--text-secondary);
}

/* Tier Grid */
.tier-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.tier-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    position: relative;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.tier-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--accent-purple);
}

.tier-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.tier-badge.first-purchase {
    background: linear-gradient(135deg, var(--accent-gold), #FFA500);
    color: #000;
}

.tier-badge.best-value {
    background: linear-gradient(135deg, var(--accent-green), #2da44e);
    color: #fff;
}

/* Subscription Promo Card */
.tier-card.subscription-promo {
    border-color: var(--accent-green);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(63, 185, 80, 0.1) 100%);
}

.tier-card.subscription-promo:hover {
    border-color: var(--accent-green);
    box-shadow: 0 8px 24px rgba(63, 185, 80, 0.3);
}

.subscription-perk {
    color: var(--accent-green);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.price-period {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.btn-subscribe {
    background: linear-gradient(135deg, var(--accent-green) 0%, #2da44e 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(63, 185, 80, 0.3);
}

.btn-subscribe:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(63, 185, 80, 0.4);
    color: white;
    text-decoration: none;
}

.tier-gems {
    margin: 1rem 0 0.5rem;
}

.tier-gems .gem-icon {
    font-size: 2rem;
}

.tier-gems .gem-amount {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
}

.bonus-amount {
    color: var(--accent-gold);
    font-weight: 600;
    font-size: 0.9rem;
}

.total-gems {
    color: var(--accent-green);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.tier-price {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 1rem 0;
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-green) 0%, #2da44e 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(63, 185, 80, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(63, 185, 80, 0.4);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-danger {
    background-color: transparent;
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

.btn-danger:hover {
    background-color: rgba(248, 81, 73, 0.1);
}

.btn-discord {
    background: linear-gradient(135deg, #5865F2 0%, #4752C4 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(88, 101, 242, 0.3);
}

.btn-discord:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(88, 101, 242, 0.4);
}

.btn-block {
    width: 100%;
}

/* Alert Messages */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background-color: rgba(63, 185, 80, 0.15);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
}

.alert-error {
    background-color: rgba(248, 81, 73, 0.15);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
}

.alert-warning {
    background-color: rgba(210, 153, 34, 0.15);
    border: 1px solid var(--accent-orange);
    color: var(--accent-orange);
}

.alert-info {
    background-color: rgba(163, 113, 247, 0.15);
    border: 1px solid var(--accent-purple);
    color: var(--accent-purple);
}

/* Gem Shop Section */
.gem-shop-section {
    margin-top: 3rem;
}

.gem-shop-section h2 {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.page-subtitle {
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Product Cards */
.product-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--accent-purple);
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.product-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.product-price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.product-price .gem-icon {
    font-size: 1.5rem;
}

.gem-cost {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
}

.product-card .btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

.product-card .btn[disabled]:hover {
    transform: none;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-container {
    text-align: center;
}

.login-card {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    max-width: 450px;
    width: 100%;
    box-shadow: var(--shadow);
}

.login-logo-img {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.discord-login-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #5865F2 0%, #4752C4 100%);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(88, 101, 242, 0.4);
}

.discord-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(88, 101, 242, 0.5);
}

.discord-login-btn svg {
    width: 24px;
    height: 24px;
}

.login-note {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Mock Checkout Page */
.mock-checkout-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.mock-checkout-container {
    text-align: center;
}

.mock-checkout-card {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    max-width: 400px;
    position: relative;
}

.mock-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gold);
    color: #000;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.mock-checkout-card h2 {
    margin-bottom: 0.5rem;
}

.mock-checkout-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.payment-details {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
}

.detail-row .label {
    color: var(--text-secondary);
}

.countdown {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 2rem;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-gold));
    width: 0;
    transition: width 1s linear;
}

/* Checkout Result Pages */
.checkout-result-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.checkout-result-container {
    text-align: center;
}

.checkout-result-card {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    max-width: 400px;
}

.result-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.checkout-result-card h1 {
    margin-bottom: 0.5rem;
}

.checkout-result-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.gems-granted {
    background: rgba(255, 215, 0, 0.15);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 215, 0, 0.3);
    margin-bottom: 2rem;
}

.gems-granted .gem-icon {
    font-size: 2rem;
}

.gems-granted .gem-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-gold);
    display: block;
}

.gems-granted .gem-label {
    color: var(--text-secondary);
}

.result-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.error-message {
    background: rgba(248, 81, 73, 0.15);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    color: var(--accent-red);
}

/* Error Page */
.error-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.error-container {
    text-align: center;
}

.error-card {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    max-width: 400px;
}

.error-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.error-details {
    background: var(--bg-tertiary);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.error-details code {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.error-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Footer */
.store-footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Environment Badge */
.env-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    margin-top: 1rem;
}

/* ======================== */
/* Subscription Page Styles */
/* ======================== */

.subscription-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Dashboard Container */
.dashboard-container {
    flex: 1;
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-header .user-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 3px solid var(--accent-purple);
}

.dashboard-header .user-info h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.dashboard-header .user-info p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.dashboard-nav {
    display: flex;
    gap: 1rem;
    margin-left: auto;
}

.dashboard-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.dashboard-nav a:hover {
    color: var(--text-primary);
}

/* Status Cards */
.status-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.status-card.trial {
    border-color: var(--accent-orange);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(210, 153, 34, 0.1) 100%);
}

.status-card.active {
    border-color: var(--accent-green);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(63, 185, 80, 0.1) 100%);
}

.status-card.past-due {
    border-color: var(--accent-red);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(248, 81, 73, 0.1) 100%);
}

.status-card.expired {
    border-color: var(--text-muted);
}

.status-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.status-badge.trial {
    background-color: var(--accent-orange);
    color: white;
}

.status-badge.active {
    background-color: var(--accent-green);
    color: white;
}

.status-badge.past-due {
    background-color: var(--accent-red);
    color: white;
}

.status-badge.expired,
.status-badge.cancelled,
.status-badge.new {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}

.status-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.status-details {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.status-details p {
    margin-bottom: 0.5rem;
}

.status-details strong {
    color: var(--text-primary);
}

/* Pricing Cards */
.pricing-section {
    margin-top: 2rem;
}

.pricing-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.pricing-card {
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.pricing-card.recommended {
    border-color: var(--accent-green);
    position: relative;
}

.pricing-card.recommended::before {
    content: "Best Value";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-green);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.pricing-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
}

.pricing-savings {
    color: var(--accent-green);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.pricing-gems {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--accent-gold);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 1rem;
    padding: 0.5rem;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 8px;
}

.pricing-gems .gem-icon {
    font-size: 1.25rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 1.5rem;
    padding: 0;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.pricing-features li::before {
    content: "✓";
    color: var(--accent-green);
    font-weight: 700;
}

/* Action Buttons Row */
.action-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.action-buttons form {
    flex: 1;
}

/* Success/Cancel Result Pages */
.result-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
}

.result-icon.success {
    color: var(--accent-green);
}

.result-icon.cancel {
    color: var(--accent-orange);
}

/* Inline Result Container (for pages using base layout) */
.result-container-inline {
    text-align: center;
    padding: 3rem 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.result-container-inline .result-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.result-container-inline .result-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.result-container-inline .result-message {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.result-container-inline .result-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
}

.result-container-inline .result-actions .btn {
    min-width: 200px;
}

.result-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.result-message {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .store-header {
        padding: 1rem;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .header-right {
        flex-wrap: wrap;
        justify-content: center;
    }

    .store-main {
        padding: 1rem;
    }

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

    .page-header h1 {
        font-size: 2rem;
    }

    .dashboard-header {
        flex-direction: column;
        text-align: center;
    }

    .dashboard-nav {
        margin-left: 0;
        margin-top: 1rem;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .action-buttons {
        flex-direction: column;
    }

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

    .product-icon {
        font-size: 2.5rem;
    }

    .product-name {
        font-size: 1.1rem;
    }
}

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

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