/* 销售质量检核系统 - 登录页样式（蓝白商务风 V2.3） */

:root {
    --primary: #1890ff;
    --primary-dark: #096dd9;
    --bg: #f0f2f5;
    --card-bg: #ffffff;
    --text: #333333;
    --text-secondary: #8c8c8c;
    --border: #e8e8e8;
}

* {
    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(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 整体双栏布局 */
.login-wrap {
    display: flex;
    min-height: 100vh;
}

/* ========== 左侧主题插图 ========== */
.login-illustration {
    flex: 1 1 55%;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px;
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 55%, #0050b3 100%);
    color: #fff;
    overflow: hidden;
}

.illus-brand {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.illus-slogan {
    font-size: 16px;
    opacity: 0.9;
    letter-spacing: 2px;
    position: relative;
    z-index: 2;
}

.illus-deco {
    position: absolute;
    right: -60px;
    bottom: 40px;
    width: 320px;
    height: 320px;
}

.deco-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.25);
}

.deco-ring-1 {
    width: 280px;
    height: 280px;
    top: 20px;
    left: 20px;
    animation: spin 28s linear infinite;
}

.deco-ring-2 {
    width: 180px;
    height: 180px;
    top: 70px;
    left: 70px;
    border-color: rgba(255, 255, 255, 0.4);
    animation: spin 18s linear infinite reverse;
}

.deco-emoji {
    position: absolute;
    top: 110px;
    left: 120px;
    font-size: 72px;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.2));
}

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

.illus-foot {
    position: relative;
    z-index: 2;
    margin-top: 40px;
    font-size: 14px;
    opacity: 0.85;
}

/* ========== 右侧白卡片 ========== */
.login-card {
    flex: 1 1 45%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px 64px;
    background: var(--card-bg);
}

.brand-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.brand-version {
    font-size: 13px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    margin-bottom: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 14px;
    color: var(--text);
    margin-bottom: 8px;
    font-weight: 600;
}

.form-input {
    width: 100%;
    padding: 13px 16px;
    background: #fafafa;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 15px;
    transition: all 0.25s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.12);
}

.form-input::placeholder {
    color: #bfbfbf;
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    letter-spacing: 2px;
    margin-top: 8px;
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(24, 144, 255, 0.35);
}

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

.error-message {
    background: #fff1f0;
    border: 1px solid #ffccc7;
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 18px;
    color: #cf1322;
    font-size: 14px;
    display: none;
}

.error-message.show {
    display: block;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

/* 加载动画 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(240, 242, 245, 0.85);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 9999;
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    width: 56px;
    height: 56px;
    border: 3px solid rgba(24, 144, 255, 0.15);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    margin-top: 18px;
    font-size: 15px;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

/* 响应式：移动端单栏，隐藏插图 */
@media (max-width: 768px) {
    .login-wrap {
        flex-direction: column;
    }

    .login-illustration {
        display: none;
    }

    .login-card {
        flex: 1 1 auto;
        max-width: 100%;
        padding: 48px 28px;
    }
}