/* ==========================================================================
   充值弹窗 - 独立样式表
   用法：在页面 <head> 中引入此文件
          <link rel="stylesheet" href="/static/css/recharge-modal.css">
   ========================================================================== */

/* 模态框基础样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(4px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-card-bg, #FFFFFF);
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    max-width: 520px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 24px 24px 16px;
    border-bottom: 1px solid var(--color-border, #E2E8F0);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary, #1F2937);
    margin: 0;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-secondary, #64748B);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.modal-close-btn:hover {
    background: var(--color-bg-secondary, #F1F5F9);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--color-border, #E2E8F0);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* 充值弹窗样式 */
.recharge-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.recharge-amount-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.recharge-option {
    position: relative;
    min-height: 60px;
    padding: 12px 6px;
    appearance: none;
    background: var(--color-card-bg, #FFFFFF);
    border: 2px solid #E2E8F0;
    border-radius: 10px;
    color: inherit;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    font-family: inherit;
}

.recharge-option:hover {
    border-color: #F97316;
    background: rgba(249, 115, 22, 0.05);
}

.recharge-option.selected {
    border-color: #F97316;
    background: rgba(249, 115, 22, 0.1);
    box-shadow: 0 0 0 1px #F97316;
}

.recharge-option strong,
.recharge-option small {
    display: block;
}

.recharge-option strong {
    color: var(--color-text-primary, #1F2937);
    font-size: 18px;
}

.recharge-option.selected strong {
    color: #F97316;
}

.recharge-option small {
    margin-top: 4px;
    color: #64748B;
    font-size: 12px;
}

/* 充值优惠横幅 */
.recharge-promotion-banner {
    margin-bottom: 20px;
    padding: 14px 18px;
    border-radius: 10px;
    background: linear-gradient(135deg, #F97316, #EA580C);
    color: #FFFFFF;
    text-align: center;
}

.recharge-promotion-headline {
    font-size: 15px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 6px;
}

.recharge-promotion-headline strong {
    color: #FEF08A;
}

.recharge-promotion-tips {
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.3px;
}

/* 自定义金额输入 */
.custom-amount-section {
    margin-bottom: 20px;
}

.custom-amount-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary, #64748B);
    margin-bottom: 8px;
}

.custom-amount-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-card-bg, #FFFFFF);
    border: 1px solid var(--color-border, #E2E8F0);
    border-radius: 8px;
    font-size: 16px;
    color: var(--color-text-primary, #1F2937);
    font-variant-numeric: tabular-nums;
    font-family: inherit;
    box-sizing: border-box;
}

.custom-amount-input:focus {
    outline: none;
    border-color: var(--color-accent, #38BDF8);
}

/* 支付方式 */
.payment-methods {
    margin-bottom: 0;
}

.payment-method-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary, #64748B);
    margin-bottom: 12px;
}

.payment-method-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.payment-method {
    padding: 16px;
    background: var(--color-card-bg, #FFFFFF);
    border: 2px solid var(--color-border, #E2E8F0);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    color: var(--color-text-primary, #1F2937);
}

.payment-method:hover {
    border-color: var(--color-accent, #38BDF8);
}

.payment-method.selected {
    border-color: var(--color-accent, #38BDF8);
    background: rgba(56, 189, 248, 0.1);
    color: var(--color-accent, #38BDF8);
    font-weight: 600;
}

/* 按钮 */
.btn-secondary {
    padding: 12px 24px;
    border: 1px solid var(--color-border, #E2E8F0);
    background: transparent;
    color: var(--color-text-primary, #1F2937);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-secondary:hover {
    background: var(--color-bg-secondary, #F1F5F9);
}

.btn-primary {
    padding: 12px 24px;
    border: none;
    background: var(--color-accent, #38BDF8);
    color: #FFFFFF;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-primary:hover:not(:disabled) {
    background: #0EA5E9;
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}