/* Premium Contribution Modal Styles */
.premium-contrib-modal {
    max-width: 420px;
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    border: 1px solid rgba(0,0,0,0.05);
}
.contrib-header {
    background: linear-gradient(135deg, #f3e5f5, #ede7f6);
    padding: 30px 20px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
.contrib-icon {
    font-size: 40px;
    margin-bottom: 10px;
    display: inline-block;
}
.contrib-header h2 {
    margin: 0 0 5px;
    font-size: 22px;
    color: #333;
}
.contrib-header p {
    margin: 0;
    font-size: 14px;
    color: #666;
}
.contrib-body {
    padding: 25px 25px 30px;
}
.contrib-toggle-group {
    display: flex;
    background: #f5f5f5;
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 20px;
}
.contrib-toggle {
    flex: 1;
    background: transparent;
    border: none;
    padding: 10px;
    border-radius: 8px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
}
.contrib-toggle.active {
    background: #fff;
    color: #673ab7;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.contrib-field {
    margin-bottom: 20px;
    text-align: left;
}
.contrib-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #555;
    margin-bottom: 8px;
}
.contrib-input {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 15px;
    border: 2px solid #eee;
    border-radius: 12px;
    font-size: 16px;
    transition: border-color 0.2s;
    font-family: inherit;
    background: #fafafa;
}
.contrib-input:focus {
    border-color: #673ab7;
    outline: none;
    background: #fff;
}
.new-member-greeting {
    background: #e3f2fd;
    color: #1565c0;
    padding: 12px;
    border-radius: 10px;
    font-size: 13px;
    margin-top: 10px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}
.contrib-amount-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}
.currency-symbol {
    position: absolute;
    left: 15px;
    font-size: 18px;
    color: #333;
    font-weight: 600;
}
.amount-input {
    padding-left: 35px;
    font-size: 20px;
    font-weight: bold;
    color: #333;
}
.contrib-chips {
    display: flex;
    gap: 10px;
    margin-top: 12px;
}
.amount-chip {
    flex: 1;
    background: #f0f0f0;
    border: 1px solid #e0e0e0;
    padding: 8px 0;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: #555;
    cursor: pointer;
    transition: all 0.2s;
}
.amount-chip:hover, .amount-chip.selected {
    background: #ede7f6;
    border-color: #673ab7;
    color: #673ab7;
}
.proceed-btn {
    width: 100%;
    margin-top: 10px;
    padding: 15px;
    font-size: 18px;
    border-radius: 12px;
    background: linear-gradient(135deg, #673ab7, #9c27b0);
    box-shadow: 0 4px 15px rgba(103,58,183,0.3);
    color: #fff;
    border: none;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.proceed-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(103,58,183,0.4);
}