/* ========================================
   DONATE PAGE - PREMIUM STYLES
   ======================================== */

/* ===== Tool Navigation ===== */
.tool-nav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
    position: sticky;
    top: 60px;
    z-index: 40;
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.85);
}

.tool-nav .container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.tool-nav-back {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.tool-nav-back:hover {
    color: var(--primary);
}

.tool-nav-title {
    font-weight: 600;
    color: var(--text);
    font-size: 0.9rem;
}

/* ===== Donate Wrapper ===== */
.donate-wrapper {
    padding: 24px 0 60px;
}

/* ===== Header ===== */
.donate-header {
    text-align: center;
    margin-bottom: 36px;
    position: relative;
}

.donate-header::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #ec4899, #1a73e8);
    border-radius: 4px;
}

/* ===== Donate Icon ===== */
.donate-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-6px) scale(1.02); }
}

.donate-icon svg {
    width: 96px;
    height: 96px;
    transition: transform 0.4s ease;
}

.donate-icon:hover svg {
    transform: scale(1.05);
}

.donate-header h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    background: linear-gradient(135deg, #1a73e8, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.donate-header p {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 540px;
    margin: 8px auto 0;
    line-height: 1.7;
}

/* ===== Donate Grid ===== */
.donate-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 32px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 768px) {
    .donate-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

/* ===== Donate Card ===== */
.donate-card {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.donate-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.05), rgba(236, 72, 153, 0.05));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.donate-card:hover::before {
    opacity: 1;
}

.donate-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #1a73e8, #ec4899);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.donate-card:hover::after {
    transform: scaleX(1);
}

.donate-card:hover {
    border-color: transparent;
    box-shadow: 0 8px 32px rgba(26, 115, 232, 0.12), 0 2px 8px rgba(0, 0, 0, 0.04);
    transform: translateY(-4px);
}

.donate-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    transition: transform 0.4s ease;
}

.donate-card:hover .donate-card-icon {
    transform: scale(1.05) rotate(-4deg);
}

.donate-card-icon svg {
    width: 36px;
    height: 36px;
}

.donate-card-icon.btc {
    background: linear-gradient(135deg, #fff3e0, #ffd9a8);
    color: #f59e0b;
}

.donate-card-icon.btc svg {
    width: 34px;
    height: 34px;
}

.donate-card-icon.usdt {
    background: linear-gradient(135deg, #e8f5e9, #a5d6a7);
    color: #10b981;
}

.donate-card-icon.usdt svg {
    width: 34px;
    height: 34px;
}

.donate-card-info {
    flex: 1;
    position: relative;
    z-index: 1;
}

.donate-card-info h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2px;
    letter-spacing: -0.01em;
}

.donate-card-info p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin: 0;
}

.donate-card-arrow {
    color: var(--text-muted);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
}

.donate-card-arrow svg {
    width: 18px;
    height: 18px;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.donate-card:hover .donate-card-arrow svg {
    color: #1a73e8;
    transform: translateX(6px) scale(1.1);
}

/* ===== Info Blocks ===== */
.donate-info {
    background: var(--bg);
    border-radius: 16px;
    padding: 24px 28px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.donate-info:hover {
    border-color: rgba(26, 115, 232, 0.2);
}

.donate-info h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}

.donate-info h3 svg {
    display: inline-block;
    vertical-align: middle;
    margin-right: 6px;
}

.donate-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}

.donate-info ul {
    list-style: none;
    padding: 0;
    margin: 6px 0 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px 16px;
}

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

.donate-info ul li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    padding: 5px 0 5px 24px;
    position: relative;
    line-height: 1.5;
}

.donate-info ul li::before {
    content: '✦';
    position: absolute;
    left: 0;
    color: #ec4899;
    font-weight: 700;
    font-size: 0.7rem;
    top: 5px;
}