/* GitHub Dark Premium CSS Theme for imba.tools */
:root {
    --bg-dark: #0d1117;
    --card-bg-dark: #161b22;
    --border-dark: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-orange: #f0883e;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body.dark-theme {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.6;
}

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 16px;
}

/* HEADER */
.header {
    background-color: var(--card-bg-dark);
    border-bottom: 1px solid var(--border-dark);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
}

.logo span {
    color: var(--accent-blue);
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--accent-blue);
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-picker {
    background: var(--bg-dark);
    color: var(--text-primary);
    border: 1px solid var(--border-dark);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 0.85rem;
    cursor: pointer;
}

/* 3-COLUMN MAIN LAYOUT */
.main-layout {
    display: grid;
    grid-template-columns: 290px 1fr 280px;
    gap: 24px;
    margin-top: 24px;
    margin-bottom: 40px;
}

@media (max-width: 1100px) {
    .main-layout {
        grid-template-columns: 260px 1fr;
    }
    .right-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
}

/* SIDEBARS & CARDS */
.card {
    background-color: var(--card-bg-dark);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 18px;
    margin-bottom: 16px;
}

.card h3, .card h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    margin-bottom: 12px;
    color: #fff;
}

.filter-card {
    padding: 16px;
}

.filter-header-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.92rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #ffffff;
}

.filter-header-icon {
    width: 18px;
    height: 18px;
    color: var(--accent-blue);
}

.filter-icon-buttons {
    display: flex;
    gap: 8px;
    justify-content: space-between;
}

.filter-icon-btn {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    background: rgba(22, 27, 34, 0.8);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    color: #8b949e;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-icon-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.2s ease, color 0.2s ease;
}

.filter-icon-btn:hover {
    background: rgba(88, 166, 255, 0.12);
    border-color: rgba(88, 166, 255, 0.4);
    color: #58a6ff;
}

.filter-icon-btn:hover svg {
    transform: scale(1.12);
}

.filter-icon-btn.active {
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.2) 0%, rgba(35, 134, 54, 0.25) 100%);
    border-color: #58a6ff;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.2);
}

.filter-icon-btn.active svg {
    color: #58a6ff;
}

/* FLOATING TOOLTIP POPUP */
.filter-icon-btn .tooltip-popup {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: #161b22;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5);
    z-index: 100;
}

.filter-icon-btn .tooltip-popup::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: #161b22 transparent transparent transparent;
}

.filter-icon-btn:hover .tooltip-popup {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.category-header {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 8px;
}

.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-1 { margin-top: 4px; }

.item-list {
    list-style: none;
}

.item-card {
    border-bottom: 1px solid var(--border-dark);
    padding: 12px 0;
}

.item-card:last-child {
    border-bottom: none;
}

.item-card a {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.2s ease;
}

.item-card a:hover {
    transform: translateX(3px);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.version-badge {
    background: rgba(88, 166, 255, 0.15);
    color: var(--accent-blue);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 12px;
    border: 1px solid rgba(88, 166, 255, 0.3);
}

.version-badge-large {
    background: rgba(88, 166, 255, 0.15);
    color: var(--accent-blue);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 16px;
    border: 1px solid rgba(88, 166, 255, 0.3);
}

.subdomain-badge {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
}

.short-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.updated-time {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--accent-orange);
    margin-top: 6px;
}

.updated-time svg {
    width: 12px;
    height: 12px;
}

/* PRODUCT DETAILS PAGE: FULL WIDTH TITLE + 50/50 SPLIT HERO */
.product-details-card {
    padding: 28px;
}

.product-full-title-header {
    width: 100%;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-dark);
    padding-bottom: 12px;
}

.product-full-title-header h1 {
    font-size: 2.2rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 12px;
}

.product-split-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: center;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .product-split-hero-grid {
        grid-template-columns: 1fr;
    }
}

.product-left-actions {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.btn-large-download {
    padding: 12px 20px;
    font-size: 1.05rem;
    justify-content: center;
}

/* ATTRACTIVE VIBRANT GLOWING SALES BUY BUTTON */
.btn-sales-buy {
    background: linear-gradient(135deg, #f0883e 0%, #ff5500 100%);
    color: #ffffff;
    border: none;
    padding: 12px 20px;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 4px 18px rgba(240, 136, 62, 0.45);
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-sales-buy:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(240, 136, 62, 0.65);
    background: linear-gradient(135deg, #ff9852 0%, #ff661a 100%);
}

.product-updated-date {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.product-right-preview {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-dark);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.screenshots-container {
    position: relative;
    cursor: pointer;
}

.preview-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.screenshots-container:hover .preview-img {
    transform: scale(1.03);
}

.gallery-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(13, 17, 23, 0.85);
    color: #fff;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--border-dark);
}

.header-divider {
    border: none;
    height: 1px;
    background-color: var(--border-dark);
    margin: 24px 0;
}

/* BOTTOM CTA BANNER */
.bottom-cta-banner {
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.08) 0%, rgba(22, 27, 34, 0.9) 100%);
    border: 1px solid var(--border-dark);
    border-radius: 10px;
    padding: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.bottom-cta-banner .btn-large-download,
.bottom-cta-banner .btn-large-buy {
    min-width: 220px;
    padding: 12px 24px;
    font-size: 1.05rem;
    justify-content: center;
    border-radius: 8px;
    white-space: nowrap;
}

.cta-text h3 {
    color: #fff;
    font-size: 1.2rem;
}

.cta-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.cta-buttons {
    display: flex;
    gap: 12px;
}

/* FLOATING CIRCULAR SCROLL TO TOP BUTTON */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--accent-blue);
    color: #ffffff;
    border: none;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(88, 166, 255, 0.4);
    z-index: 999;
    transition: all 0.25s ease;
}

.scroll-top-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(88, 166, 255, 0.6);
}

/* FULLSCREEN IMAGE LIGHTBOX MODAL */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.lightbox-content-img {
    max-width: 90%;
    max-height: 85vh;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 2.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 2rem;
    border: none;
    padding: 12px 18px;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* RICH GITHUB DARK MARKDOWN STYLING */
.markdown-content-body {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.markdown-content-body h1 {
    font-size: 1.8rem;
    color: #ffffff;
    font-weight: 700;
    border-bottom: 1px solid var(--border-dark);
    padding-bottom: 8px;
    margin-top: 24px;
    margin-bottom: 16px;
}

.markdown-content-body h2 {
    font-size: 1.45rem;
    color: #ffffff;
    font-weight: 600;
    border-bottom: 1px solid var(--border-dark);
    padding-bottom: 6px;
    margin-top: 28px;
    margin-bottom: 16px;
}

.markdown-content-body h3 {
    font-size: 1.2rem;
    color: var(--accent-blue);
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 10px;
}

.markdown-content-body p {
    margin-bottom: 16px;
}

.markdown-content-body ul, .markdown-content-body ol {
    margin-left: 24px;
    margin-bottom: 16px;
}

.markdown-content-body li {
    margin-bottom: 0 !important;
    font-size: 14px !important;
}

.markdown-content-body blockquote {
    background-color: rgba(88, 166, 255, 0.08);
    border-left: 4px solid var(--accent-blue);
    color: var(--text-primary);
    padding: 12px 16px;
    margin: 16px 0;
    border-radius: 0 6px 6px 0;
}

.markdown-content-body hr {
    height: 1px;
    background-color: var(--border-dark);
    border: none;
    margin: 32px 0;
}

.markdown-content-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.92rem;
}

.markdown-content-body th {
    background-color: #161b22;
    color: #ffffff;
    font-weight: 600;
    text-align: left;
    padding: 10px 14px;
    border: 1px solid var(--border-dark);
}

.markdown-content-body td {
    padding: 10px 14px;
    border: 1px solid var(--border-dark);
}

.markdown-content-body tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.02);
}

.markdown-content-body code {
    background-color: rgba(110, 118, 129, 0.2);
    color: #f0883e;
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    font-size: 0.88em;
    padding: 2px 6px;
    border-radius: 4px;
}

.markdown-content-body pre code {
    display: block;
    padding: 12px;
    overflow-x: auto;
    background-color: #161b22;
    border: 1px solid var(--border-dark);
    border-radius: 6px;
}

.markdown-content-body a {
    color: var(--accent-blue);
    text-decoration: none;
}

.markdown-content-body a:hover {
    text-decoration: underline;
}

/* HERO OVERVIEW */
.hero-banner {
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.1) 0%, rgba(33, 38, 45, 0.5) 100%);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 28px;
    margin-bottom: 24px;
}

.hero-banner h1 {
    font-size: 2.2rem;
    color: #fff;
}

.hero-banner p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-top: 8px;
}

/* FEATURE CARDS REDESIGN */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.product-feature-card {
    padding: 0 !important;
    overflow: hidden;
    background: rgba(22, 27, 34, 0.85);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(88, 166, 255, 0.4);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(88, 166, 255, 0.15);
}

.feature-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.feature-card-thumb {
    position: relative;
    width: 100%;
    height: 110px;
    overflow: hidden;
    background: #0d1117;
}

.feature-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.product-feature-card:hover .feature-card-thumb img {
    transform: scale(1.06);
}

.service-thumb {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.15) 0%, rgba(35, 134, 54, 0.15) 100%);
}

.service-thumb-icon {
    width: 48px;
    height: 48px;
    color: #58a6ff;
}

.version-tag {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(8px);
    color: #58a6ff;
    border: 1px solid rgba(88, 166, 255, 0.3);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: 12px;
}

.feature-card-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
    justify-content: space-between;
}

.feature-card-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.feature-card-title-row h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
}

.feature-card-subtitle-list {
    margin: 8px 0 14px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.subtitle-bullet-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.83rem;
    color: #8b949e;
    line-height: 1.4;
}

.subtitle-bullet-icon {
    width: 14px;
    height: 14px;
    min-width: 14px;
    color: #3fb950;
    flex-shrink: 0;
}

.price-tag-highlight {
    font-size: 1.05rem;
    font-weight: 700;
    color: #f0883e;
}

.price-badge {
    background: rgba(240, 136, 62, 0.15);
    color: #f0883e;
    border: 1px solid rgba(240, 136, 62, 0.3);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 8px;
}

.sub-badge {
    background: rgba(88, 166, 255, 0.15);
    color: #58a6ff;
    border: 1px solid rgba(88, 166, 255, 0.3);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 8px;
}

.feature-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-dark);
    padding-top: 10px;
    margin-top: auto;
}

.btn-details-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #58a6ff;
    transition: color 0.2s ease, transform 0.2s ease;
}

.product-feature-card:hover .btn-details-arrow {
    color: #79c0ff;
    transform: translateX(3px);
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-primary {
    background-color: #238636;
    color: #fff;
    border: 1px solid rgba(240, 246, 252, 0.1);
}

.btn-primary:hover {
    background-color: #2ea043;
}

.btn-secondary {
    background-color: #21262d;
    color: var(--text-primary);
    border: 1px solid var(--border-dark);
}

.btn-secondary:hover {
    background-color: #30363d;
    border-color: #8b949e;
}

/* MODAL OVERLAY & CARD */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-card {
    background: var(--card-bg-dark);
    border: 1px solid var(--border-dark);
    border-radius: 10px;
    width: 90%;
    max-width: 560px;
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-dark);
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.modal-header h3 {
    color: #fff;
    font-size: 1.2rem;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-body {
    margin-bottom: 20px;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.checkout-box {
    margin-top: 16px;
    padding: 12px;
    background: var(--bg-dark);
    border: 1px dashed var(--accent-blue);
    border-radius: 6px;
    font-size: 0.85rem;
}

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

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* RIGHT SIDEBAR */
.news-list {
    list-style: none;
}

.news-list li {
    margin-bottom: 12px;
}

.news-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent-blue);
}

.news-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.review-item {
    font-size: 0.85rem;
}

.review-user {
    color: var(--accent-orange);
    font-weight: 500;
}

.review-text {
    color: var(--text-secondary);
    margin-top: 4px;
}

/* FOOTER */
.footer {
    border-top: 1px solid var(--border-dark);
    padding: 24px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 16px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--accent-blue);
}

/* BUY SUBTITLE ALIGNED LIST (2 COLUMNS: ICON COLUMN + LIST COLUMN) */
.product-buy-subtitle-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 10px;
    font-size: 14px !important;
    color: var(--text-secondary);
    line-height: 1.5;
}

.product-buy-subtitle-icon-col {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 2px;
    flex-shrink: 0;
    width: 20px !important;
    min-width: 20px !important;
}

.product-buy-subtitle-icon {
    width: 20px !important;
    height: 20px !important;
    min-width: 20px !important;
    min-height: 20px !important;
    color: #3fb950;
}

.product-buy-subtitle-list-col {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.product-buy-subtitle-item {
    font-size: 14px !important;
    color: #8b949e;
    line-height: 1.5;
}

/* ANIMATE SPIN KEYFRAMES FOR SPINNER ICONS */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-spin {
    animation: spin 1s linear infinite;
    display: inline-block;
}

/* CRYPTOPAY USDT TRC-20 MODAL STYLES */
.cryptopay-modal-card {
    max-width: 580px;
    width: 92%;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(88, 166, 255, 0.25);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
    color: #e6edf3;
    position: relative;
}

.step-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.payment-methods-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 12px;
}

@media (max-width: 520px) {
    .payment-methods-grid {
        grid-template-columns: 1fr;
    }
}

.payment-method-card {
    background: rgba(22, 27, 34, 0.8);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    padding: 18px;
    transition: all 0.25s ease;
    user-select: none;
}

.payment-method-card.disabled-card {
    opacity: 0.55;
    cursor: not-allowed;
    filter: grayscale(0.6);
}

.payment-method-card.active-card {
    cursor: pointer;
    border-color: var(--accent-blue);
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.08) 0%, rgba(22, 27, 34, 0.9) 100%);
    box-shadow: 0 4px 16px rgba(88, 166, 255, 0.15);
}

.payment-method-card.active-card:hover {
    transform: translateY(-3px);
    border-color: #00d2ff;
    box-shadow: 0 8px 24px rgba(0, 210, 255, 0.3);
}

.method-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.method-icon {
    width: 28px;
    height: 28px;
    color: var(--text-secondary);
}

.crypto-icon {
    color: #00d2ff;
}

.method-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 10px;
}

.badge-unavailable {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.badge-active {
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 210, 255, 0.4);
}

.method-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}

.method-card-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* DUAL RING SPINNER */
.spinner-timer-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 24px 0;
    padding: 16px;
    background: rgba(13, 17, 23, 0.6);
    border-radius: 12px;
    border: 1px solid var(--border-dark);
}

.dual-ring-spinner {
    display: inline-block;
    width: 56px;
    height: 56px;
    margin-bottom: 12px;
}
.dual-ring-spinner:after {
    content: " ";
    display: block;
    width: 44px;
    height: 44px;
    margin: 4px;
    border-radius: 50%;
    border: 4px solid #00d2ff;
    border-color: #00d2ff transparent #3a7bd5 transparent;
    animation: dual-ring-spin 1.2s linear infinite;
}
@keyframes dual-ring-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.countdown-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.countdown-digits {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, monospace;
    font-size: 2.2rem;
    font-weight: 700;
    color: #00d2ff;
    text-shadow: 0 0 12px rgba(0, 210, 255, 0.5);
}

.receiver-wallet-box {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #0d1117;
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 12px 14px;
    margin: 16px 0;
}

.receiver-wallet-box code {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, monospace;
    font-size: 0.95rem;
    color: #58a6ff;
    word-break: break-all;
}

.btn-copy {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-dark);
    color: #ffffff;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-copy:hover {
    background: rgba(88, 166, 255, 0.2);
    border-color: #58a6ff;
}

.copy-tooltip {
    position: absolute;
    top: -30px;
    right: 10px;
    background: #238636;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    animation: fadeIn 0.2s ease;
}

.payment-amount-badge {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 16px;
}

.amount-tag {
    background: rgba(63, 185, 80, 0.15);
    color: #3fb950;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 16px;
    border: 1px solid rgba(63, 185, 80, 0.3);
    font-size: 0.9rem;
}

.network-tag {
    background: rgba(88, 166, 255, 0.15);
    color: #58a6ff;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 16px;
    border: 1px solid rgba(88, 166, 255, 0.3);
    font-size: 0.9rem;
}

.receiver-instruction {
    text-align: center;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.polling-info-text {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.animate-spin-slow {
    animation: spin 3s linear infinite;
    width: 14px;
    height: 14px;
}

.btn-danger {
    background: #da3633;
    color: #fff;
    border: 1px solid rgba(240, 246, 252, 0.1);
}
.btn-danger:hover {
    background: #b62324;
}

.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

.field-error-text {
    color: #f85149;
    font-size: 0.82rem;
    margin-top: 6px;
}

/* SUCCESS / ERROR RESULT STYLES */
.result-icon-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}

.success-wrapper {
    color: #3fb950;
}

.error-wrapper {
    color: #f85149;
}

.error-crossmark {
    font-size: 4rem;
    line-height: 1;
    font-weight: 300;
}

.result-title {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 8px;
}

.success-title { color: #3fb950; }
.error-title { color: #f85149; }

.result-subtitle {
    text-align: center;
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.result-details-box {
    background: #0d1117;
    border: 1px solid var(--border-dark);
    border-radius: 10px;
    padding: 16px;
    margin-top: 16px;
}

.detail-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.detail-code {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, monospace;
    font-size: 0.82rem;
    color: #8b949e;
    word-break: break-all;
}

.license-key-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(63, 185, 80, 0.1);
    border: 1px solid rgba(63, 185, 80, 0.3);
    padding: 10px 14px;
    border-radius: 8px;
    color: #3fb950;
    font-size: 1.1rem;
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, monospace;
}

.btn-copy-small {
    background: transparent;
    border: none;
    color: #3fb950;
    cursor: pointer;
    font-size: 1rem;
}

.key-saved-notice {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 10px;
}

.key-saved-notice a {
    color: var(--accent-blue);
}

/* SUCCESS CHECKMARK ANIMATION */
.success-checkmark {
    width: 60px;
    height: 60px;
    margin: 0 auto;
}
.success-checkmark .check-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    stroke-width: 2;
    stroke: #3fb950;
    stroke-miterlimit: 10;
    box-shadow: inset 0px 0px 0px #3fb950;
    animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s bounce;
    position: relative;
}
.success-checkmark .check-icon .icon-line {
    height: 4px;
    background-color: #3fb950;
    display: block;
    border-radius: 2px;
    position: absolute;
    z-index: 10;
}
.success-checkmark .check-icon .line-tip {
    top: 32px;
    left: 14px;
    width: 16px;
    transform: rotate(45deg);
}
.success-checkmark .check-icon .line-long {
    top: 28px;
    right: 12px;
    width: 28px;
    transform: rotate(-45deg);
}
.success-checkmark .check-icon .icon-circle {
    top: -4px;
    left: -4px;
    z-index: 10;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    position: absolute;
    box-sizing: content-box;
    border: 4px solid rgba(63, 185, 80, 0.5);
}