/* ========================================
   登录页 - login.php 专用样式（PC端）
   设计系统 v4.0
   ======================================== */

/* ===== 登录页样式 ===== */
body {
    background-color: var(--color-bg-body);
}

/* 登录卡片 */
.auth-card {
    max-width: 420px;
    margin: 40px auto;
    padding: 44px 40px 36px;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    box-sizing: border-box;
}

/* 情感化Logo */
.auth-logo {
    text-align: center;
    margin-bottom: 16px;
}
.auth-logo i {
    font-size: 42px;
    color: var(--color-primary);
    opacity: 0.8;
}

/* 情感化标题 */
.auth-title {
    text-align: center;
    margin-bottom: 8px;
    font-size: 22px;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: 2px;
}
.auth-subtitle {
    text-align: center;
    margin-bottom: 32px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.form-group {
    margin-bottom: 20px;
}

/* 带图标的表单标签 */
.form-label-icon {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--color-text-secondary);
    font-weight: 500;
}
.form-label-icon i {
    color: var(--color-primary);
    font-size: 14px;
    width: 16px;
    text-align: center;
}

.form-control {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    border: 1px solid var(--color-border);
    font-size: 15px;
    border-radius: 8px;
    box-sizing: border-box;
    color: var(--color-text-primary);
    transition: all 0.25s ease;
    background: var(--color-bg-body);
    /* 底部高亮动画 */
    background-image: linear-gradient(to right, var(--color-primary), var(--color-primary));
    background-size: 0% 2px;
    background-repeat: no-repeat;
    background-position: center bottom;
    background-origin: padding-box;
}
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background-size: 100% 2px;
}
.form-control::placeholder {
    color: var(--color-text-placeholder);
}

.remember-me {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 13px;
}
.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
    cursor: pointer;
}
.remember-me label { cursor: pointer; }

.btn-auth {
    width: 100%;
    padding: 14px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
    letter-spacing: 1px;
}
.btn-auth:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 102, 204, 0.35);
    background: var(--color-primary-dark);
}
.btn-auth:active {
    transform: scale(0.98);
}

.auth-error {
    color: var(--color-danger);
    margin-bottom: 18px;
    padding: 14px 16px;
    background: #fef5f5;
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-danger);
    font-size: 13px;
    line-height: 1.6;
}
.auth-error p { margin-bottom: 0; }
.auth-error p + p { margin-top: 4px; }

.auth-links {
    text-align: center;
    margin-top: 24px;
    font-size: 13px;
    color: var(--color-text-muted);
}
.auth-links a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all 0.2s;
}
.auth-links a:hover {
    text-decoration: underline;
}
.auth-links .separator {
    color: var(--color-border);
    margin: 0 12px;
}

/* 验证码组 */
.captcha-row {
    display: flex;
    gap: 12px;
    flex: 1;
    align-items: center;
}
.captcha-row .form-control {
    flex: 1;
    min-width: 120px;
}
.captcha-row img {
    height: 44px;
    width: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    cursor: pointer;
    flex-shrink: 0;
}

/* 底部情感化文案 */
.auth-footer {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border-light);
}
.auth-footer p {
    font-size: 13px;
    color: var(--color-text-muted);
    font-style: italic;
}