/* Base & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(135deg, #1f3339 0%, #345761 50%, #1e2e34 100%);
    color: #f8fafc;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.page-wrapper {
    width: 100%;
    max-width: 620px;
    margin: 0 auto;
}

/* Card Styling */
.card {
    background: rgba(52, 87, 97, 0.45);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 28px;
    box-shadow: 0 30px 60px rgba(10, 20, 24, 0.4);
    padding: 40px;
}

.card-header {
    text-align: center;
    margin-bottom: 28px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #e2e8f0;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 14px;
}

.card-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.card-header .subtitle {
    margin-top: 6px;
    font-size: 0.95rem;
    color: #cbd5e1;
    font-weight: 400;
}

/* Interactive Tabs */
.bank-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    background: rgba(15, 25, 29, 0.4);
    padding: 6px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 28px;
}

.tab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px;
    background: transparent;
    border: none;
    outline: none;
    color: #94a3b8;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.tab-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    background: #345761;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Panels */
.bank-panel {
    display: none;
    animation: fadeIn 0.3s ease-in-out forwards;
}

.bank-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bank-header-info {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.icon-avatar {
    width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #ffffff;
    flex-shrink: 0;
}

.bank-header-info h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
}

.status-tag {
    display: inline-block;
    font-size: 0.75rem;
    color: #a7f3d0;
    font-weight: 600;
    margin-top: 2px;
}

/* Copy Field */
.detail-group label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #cbd5e1;
    font-weight: 600;
    margin-bottom: 8px;
}

.account-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(15, 25, 29, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 12px 18px;
    border-radius: 16px;
}

.account-number {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.08em;
}

.btn-copy {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.25s ease;
}

.btn-copy:hover {
    background: #ffffff;
    color: #345761;
}

.btn-copy.copied {
    background: #10b981;
    color: #ffffff;
    border-color: #10b981;
}

/* Footer */
.card-footer {
    margin-top: 32px;
    text-align: center;
    font-size: 0.8rem;
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Mobile Responsiveness */
@media (max-width: 520px) {
    .card {
        padding: 24px 18px;
    }

    .bank-tabs {
        grid-template-columns: 1fr;
    }

    .account-number {
        font-size: 1.1rem;
    }
}