/* ========== 全局样式 ========== */
:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --primary-bg: #eef2ff;
    --success: #16a34a;
    --success-bg: #dcfce7;
    --warning: #d97706;
    --warning-bg: #fef3c7;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --info: #0891b2;
    --info-bg: #cffafe;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px 16px;
}

/* ========== 头部 ========== */
.header {
    text-align: center;
    margin-bottom: 32px;
    padding-top: 20px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 8px;
}

.logo-icon {
    color: var(--primary);
}

.logo-text {
    font-size: 26px;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.5px;
}

.subtitle {
    color: var(--gray-500);
    font-size: 14px;
}

/* ========== 搜索区域 ========== */
.search-section {
    margin-bottom: 24px;
}

.search-box {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-md);
}

.input-group {
    display: flex;
    gap: 12px;
}

.input-wrap {
    flex: 1;
    position: relative;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
}

.query-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: 12px;
}

.tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-500);
    cursor: pointer;
    transition: all 0.2s;
    background: transparent;
    border: 1px solid transparent;
}

.tab:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

.tab.active {
    color: var(--primary);
    background: var(--primary-bg);
    border-color: var(--primary-light);
}

#orderInput {
    width: 100%;
    height: 48px;
    padding: 0 16px 0 44px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 15px;
    color: var(--gray-800);
    transition: all 0.2s;
    outline: none;
}

#orderInput:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

#orderInput::placeholder {
    color: var(--gray-400);
}

.btn-search {
    height: 48px;
    padding: 0 28px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.btn-search:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-search:active {
    transform: translateY(0);
}

.btn-search:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.spinner {
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.search-hint {
    margin-top: 12px;
    font-size: 13px;
    color: var(--gray-400);
}

/* ========== 空状态 ========== */
.empty-section {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    color: var(--gray-300);
    margin-bottom: 16px;
}

.empty-text {
    color: var(--gray-400);
    font-size: 15px;
}

/* ========== 结果区域 ========== */
.result-section {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== 错误卡片 ========== */
.error-card {
    background: white;
    border-radius: var(--radius);
    padding: 40px 24px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.error-icon {
    color: var(--danger);
    margin-bottom: 16px;
}

.error-content h3 {
    font-size: 18px;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.error-content p {
    color: var(--gray-500);
    font-size: 14px;
}

/* ========== 订单卡片 ========== */
.order-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: linear-gradient(135deg, var(--primary-bg) 0%, #f0f9ff 100%);
    border-bottom: 1px solid var(--gray-100);
}

.order-header-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.order-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
}

.order-num {
    font-size: 13px;
    color: var(--gray-500);
}

/* 状态徽章 */
.order-status-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

.status-unpaid { background: var(--warning-bg); color: var(--warning); }
.status-pending { background: var(--info-bg); color: var(--info); }
.status-processing { background: var(--primary-bg); color: var(--primary); }
.status-cancelled { background: var(--gray-100); color: var(--gray-500); }
.status-invalid { background: var(--danger-bg); color: var(--danger); }
.status-completed { background: var(--success-bg); color: var(--success); }

/* ========== 订单信息网格 ========== */
.order-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--gray-100);
    margin: 0;
}

.info-item {
    background: white;
    padding: 16px 24px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 12px;
    color: var(--gray-400);
    font-weight: 500;
}

.info-value {
    font-size: 15px;
    color: var(--gray-800);
    font-weight: 600;
}

.info-value.price {
    color: var(--danger);
    font-size: 18px;
}

/* ========== 订单区块 ========== */
.order-block {
    padding: 20px 24px;
    border-top: 1px solid var(--gray-100);
}

.block-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 16px;
}

.block-title svg {
    color: var(--primary);
}

/* ========== 参数列表 ========== */
.param-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.param-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--gray-50);
    border-radius: 8px;
}

.param-name {
    font-size: 14px;
    color: var(--gray-500);
}

.param-value {
    font-size: 14px;
    color: var(--gray-800);
    font-weight: 600;
    text-align: right;
    word-break: break-all;
}

/* ========== 卡密列表 ========== */
.card-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-item {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 1px solid #fde68a;
    border-radius: 10px;
    padding: 16px;
}

.card-item-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--warning);
}

.card-item-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.card-field {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.card-field-label {
    font-size: 12px;
    color: var(--gray-500);
}

.card-field-value {
    font-size: 14px;
    color: var(--gray-800);
    font-weight: 600;
    word-break: break-all;
}

.card-field-value.mono {
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
}

.card-field-value.link {
    color: var(--primary);
    text-decoration: underline;
    cursor: pointer;
}

.card-field-value.link:hover {
    color: var(--primary-dark);
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    font-size: 12px;
    color: var(--gray-500);
    cursor: pointer;
    transition: all 0.2s;
    margin-left: 8px;
}

.copy-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.copy-btn.copied {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

/* ========== 无卡密提示 ========== */
.empty-card-tip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 24px;
    color: var(--gray-400);
    font-size: 14px;
    border-top: 1px solid var(--gray-100);
}

.empty-card-tip svg {
    color: var(--gray-300);
}

/* ========== 订单列表 ========== */
.order-list-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.order-list-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 20px 24px;
    background: linear-gradient(135deg, var(--primary-bg) 0%, #f0f9ff 100%);
    border-bottom: 1px solid var(--gray-100);
}

.order-list-subtitle {
    font-size: 13px;
    color: var(--gray-500);
}

.order-list {
    display: flex;
    flex-direction: column;
}

.order-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-100);
    cursor: pointer;
    transition: background 0.2s;
}

.order-list-item:last-child {
    border-bottom: none;
}

.order-list-item:hover {
    background: var(--gray-50);
}

.order-list-item-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.order-list-item-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
    word-break: break-all;
}

.order-list-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    font-size: 12px;
    color: var(--gray-500);
}

.order-list-item-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    white-space: nowrap;
}

.order-list-item-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--danger);
}

@media (max-width: 600px) {
    .order-list-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .order-list-item-side {
        flex-direction: row;
        align-items: center;
        width: 100%;
        justify-content: space-between;
    }
}

/* ========== 响应式 ========== */
@media (max-width: 600px) {
    .container {
        padding: 16px 12px;
    }

    .logo-text {
        font-size: 22px;
    }

    .input-group {
        flex-direction: column;
    }

    .btn-search {
        width: 100%;
        justify-content: center;
    }

    .order-info-grid {
        grid-template-columns: 1fr;
    }

    .card-item-body {
        grid-template-columns: 1fr;
    }

    .order-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}