/* --- 1. 基础重置 (Base Reset) --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    height: 100vh;
    display: flex;
    overflow: hidden;
}

::-webkit-scrollbar {
    display: none;
}

/* --- 2. 全局动画 (Keyframes) --- */
@keyframes popIn {
    from { opacity: 0; transform: scale(0.9) translateY(10px) }
    to { opacity: 1; transform: scale(1) translateY(0) }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(15px) }
    to { opacity: 1; transform: translateY(0) }
}

@keyframes fadeIn {
    from { opacity: 0 }
    to { opacity: 1 }
}

/* --- 3. 基础图标 (Apple Icons Base) --- */
.apple-icon {
    display: inline-block;
    width: 22px;
    height: 22px;
    background-color: currentColor;
    -webkit-mask-size: cover;
    mask-size: cover;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- 4. 表单与输入框 (Forms & Inputs) --- */
.input-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 10px;
}

.login-field-pro {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-body);
    font-size: 16px;
    outline: none;
    transition: all 0.2s ease;
    color: var(--text-main);
    height: 48px;
}

.login-field-pro:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-fade);
}

.select-wrapper {
    position: relative;
    width: 100%;
}

select.login-field-pro {
    appearance: none;
    cursor: pointer;
    padding: 0 36px 0 14px; 
    line-height: 46px; 
    text-overflow: ellipsis; 
    white-space: nowrap; 
    overflow: hidden;
}

.select-arrow {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-sub);
    font-size: 12px;
}

/* --- 5. 按钮体系 (Buttons) --- */
.btn-primary {
    width: 100%;
    padding: 16px;
    border-radius: 14px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:active {
    opacity: 0.8;
    transform: scale(0.98);
}

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

.btn-secondary {
    padding: 8px 20px;
    border-radius: 99px;
    background: var(--bg-body);
    border: 1px solid var(--border);
    color: var(--text-main);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* --- 6. 弹窗系统 (Modals) --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
    transition: opacity 0.3s ease;
}

.modal-box {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 24px;
    width: 85%;
    max-width: 340px;
    text-align: center;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: popIn 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    border: 1px solid var(--border);
}

.admin-modal-box {
    background: var(--bg-card);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--border);
    padding: 30px;
    border-radius: 24px;
    width: 90%;
    max-width: 480px;
    box-shadow: var(--shadow);
    animation: popIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    color: var(--text-main);
    max-height: 85vh; 
    overflow-y: auto;
    scrollbar-width: none;
}

/* 隐藏弹窗滑动时的原生丑陋滚动条 */
.admin-modal-box::-webkit-scrollbar {
    display: none;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    width: 100%;
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
}

.modal-close-btn {
    cursor: pointer;
    color: var(--text-sub);
    font-size: 18px;
    padding: 5px;
}

.modal-close-btn:hover {
    color: var(--text-main);
}

/* --- 7. 文件上传区域 (Upload Zone) --- */
.upload-zone {
    width: 100px;
    height: 100px;
    border-radius: 22px;
    background: var(--bg-body);
    border: 2px dashed rgba(128, 128, 128, 0.25);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    overflow: hidden;
    position: relative;
}

.upload-zone:hover {
    border-color: var(--primary-color);
    background: var(--primary-fade);
}

.upload-zone img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.upload-icon {
    font-size: 24px;
    margin-bottom: 5px;
    color: var(--text-sub);
}

.upload-text {
    font-size: 10px;
    color: var(--text-sub);
}

.file-input {
    display: none;
}

/* --- 8. 平台多链接输入 (Platform Links) --- */
.plat-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 15px;
    border-radius: 16px;
    border: 1px solid var(--border);
    margin-bottom: 15px;
    background: var(--bg-body);
}

.plat-full {
    grid-column: span 2;
}

.plat-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.plat-icon-label {
    position: absolute;
    left: 12px;
    font-size: 16px;
    z-index: 2;
    opacity: 0.8;
}

.plat-input-field {
    width: 100%;
    padding: 12px 12px 12px 40px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    font-size: 13px;
    outline: none;
    transition: 0.2s;
    color: var(--text-main);
}

.plat-input-field:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-fade);
}