/* 百度网盘充值系统 - 通用组件 (美化版) */

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    letter-spacing: 0.2px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.btn:hover::after { opacity: 1; }

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: var(--shadow-xs), 0 2px 8px rgba(13, 148, 136, 0.2);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-darker) 100%);
    box-shadow: var(--shadow-sm), 0 4px 16px rgba(13, 148, 136, 0.3);
    transform: translateY(-1px);
}
.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-xs);
}
.btn-primary:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
    box-shadow: none;
}
.btn-outline:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(13, 148, 136, 0.1);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
    box-shadow: var(--shadow-xs), 0 2px 8px rgba(239, 68, 68, 0.2);
}
.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    box-shadow: var(--shadow-sm), 0 4px 16px rgba(239, 68, 68, 0.3);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
}
.btn-ghost:hover {
    background: var(--bg-secondary);
    color: var(--text);
}

.btn-block { width: 100%; }

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 6px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
    border-radius: var(--radius);
}

/* ===== 卡片 ===== */
.card {
    background: var(--card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 24px;
    margin-bottom: 20px;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
    animation: fadeInUp 0.4s ease;
}

.card:hover {
    box-shadow: var(--shadow), var(--shadow-xs);
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    letter-spacing: -0.2px;
}

.card-title svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

/* ===== 表单 ===== */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 11px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    transition: all var(--transition);
    outline: none;
    background: var(--card);
    color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light), var(--shadow-xs);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 13px;
    line-height: 1.6;
}

.form-group .hint {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 6px;
}

/* ===== 状态徽章 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-pending {
    background: var(--warning-light);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.15);
}

.badge-paid {
    background: var(--success-light);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.15);
}

.badge-failed {
    background: var(--danger-light);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.15);
}

.badge-success {
    background: var(--success-light);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.15);
}

.badge-danger {
    background: var(--danger-light);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.15);
}

/* ===== 消息提示 (Toast) ===== */
.toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(-120px);
    padding: 14px 28px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    z-index: 9999;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.2px;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.95), rgba(5, 150, 105, 0.95));
    color: #fff;
}

.toast-error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.95), rgba(220, 38, 38, 0.95));
    color: #fff;
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
    animation: fadeInUp 0.5s ease;
}

.empty-state svg {
    width: 72px;
    height: 72px;
    margin-bottom: 16px;
    opacity: 0.3;
    color: var(--text-muted);
}

.empty-state p {
    font-size: 15px;
    font-weight: 500;
}

/* ===== 模态框遮罩 ===== */
.qr-modal-mask {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.25s ease;
}

@keyframes modalSlideIn {
    from { transform: scale(0.92) translateY(20px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

@keyframes maskFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== Loading 动画 ===== */
.loading-dots {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}

.loading-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    animation: loadingBounce 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes loadingBounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* 骨架屏加载效果 */
.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border-light) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}